Emerson 299H Instruction Manual
Contents
1. TYPE PILOT CONTROL SPRING OUTLET CONTROL PRESSURE RANGE 299HR Free Length Wire Diameter 299H 299HS and Part Number Color 299HSR Inch w c mbar Inch mm Inch mm 3 5 to 6 9 to 1509 X X 13707 0012 Black 1 86 47 2 0 055 1 40 5 to 90 12 to 220 x x T13589T0012 Yellow 2 05 52 1 0 051 1 30 7 to 200 17 to 50 X X 1N3112X0012 Unpainted 2 18 55 4 0 075 1 90 16 to 400 40 to 99 x x 1B413727222 Purple 2 12 53 8 0 092 2 34 1 to 3 25 psig 69 mbar to 0 22 bar X X T13593T0012 Light blue 2 12 53 8 0 105 2 67 2 75 to 6 psig 0 19 to 0 41 bar X x 71367170012 2 40 61 0 0 120 3 05 5 to 16 psig 0 34 to 1 1 bar X X T13600T0012 Red 2 10 53 3 0 142 3 61 14 to 35 psig 0 97 to 2 4 bar x 19B0432X012 Zinc 2 15 54 6 0 207 5 26 30 to 60 psig 2 1 to 4 1 bar x 19 0432 022 2 75 69 8 0 225 5 74 1 Use a pilot supply regulator if actual inlet pressure varies more than 20 psi 1 4 bar and the published accuracy is required Table 3 Type VSX 2 High and Low Trip Pressure Ranges FOR USE WITH MAIN VALVE MINIMUM TO MAXIMUM TYPE VSX 2 SPRING FREE SPRING WIRE RANGE SLAM SHUT SPRING RANGE TRIP PRESSURE SPRING PART LENGTH DIAMETER REGISTRATION Inch w c mbar Inch w c mbar NUMBER Inch mm Inch mm 3 5 to 6 9 to 15 _ 12 to 25 30 to 62 14162T0012 3 15 80 0 0 07 1 70 5t09 12 to 22 3 5 to 6 9to 152. 299H Series OUTLET 3 4 NPT CONTROL LINE INLET CONNECTION E0070 INLET PRESSURE OUTLET PRESSURE ATMOSPHERIC PRESSURE LOADING PRESSURE os Soe PILOT SUPPLY 5 INTERNAL REGISTRATION TYPE 299H 3 4 NPT DOWNSTREAM G CONTROL LINE CONNECTION EXTERNAL REGISTRATION 3 4 NPT DOWNSTREAM CONTROL LINE CONNECTION G DUAL REGISTRATION 7272 TOKEN RELIEF CLOSED 7272 TYPE 299HR TOKEN RELIEF DETAIL Figure 2 299H Series Operational Schematics TOKEN RELIEF OPEN INLET PRESSURE OUTLET PRESSURE ATMOSPHERIC PRESSURE LOADING PRESSURE Principle of Operation Since a pilot operated regulator is constructed of both a pilot and a main valve do not exceed the maximum inlet pressure shown on the nameplate Letter keys in this section refer to Figure 2 unless otherwise noted Fast response and accuracy are made possible by the amplifying effect of the pilot and by the two path control system The function of the pilot is to sense change in the controlled pressure and amplify it into a larger change in the loading pressure Any changes in outlet pressure act quickly on both the actuator diaphragm and the loading pilot thus providing the precise pressure control that is characteristic of a two path control system Upstream or inlet pressure is utilized as the operating medium which is reduced thro
3. 1 8 mm Green low gain 0 082 inch 2 1 mm Blue lower gain Options Filter A P590 Series filter installed in the pilot supply tubing between main body and pilot Filtered pilot supply regulator A Type 67CF supply regulator with integral 5 micron Polyethylene filter This orifice size is not available for Types 299HS 299HSR The pressure temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded For optimum performance a pilot supply regulator may be installed in the pilot supply tubing between the main valve and pilot Apilot supply regulator or a P590 Series filter only one may be used not both may be ordered with the Type 299H but not both For inches w c use a pilot supply regulator if actual inlet pressure varies more than 20 psi 1 4 bar and published accuracy is required Table 1 Body Sizes and End Connection Styles BODY SIZE BODY MATERIAL AND END CONNECTION STYLE INCH DN Cast Iron For Types 299H and 299HR only Ductile Iron Steel For Types 299H and 299HR only 1 1 4 NPT a E 1 1 2 NPT NPT NPT NPT CL125 FF and CL250 RF flanged 1 2 50 NPT and CL125 FF flanged and PN 10 16 flanged NPT and CL150 RF flanged This flange is available with a face to face dimension of 7 5 inches 190 mm or 10 inches 254 mm Table 2 Outlet Pressure Ranges 299H Series
4. 5 to 30 mbar White 4 to 30 inches w c 10 to 75 mbar Blue 0 36 to 2 3 psig 25 to 159 mbar Unpainted 1 5 to 10 8 psig 103 to 745 mbar Olive Machine Screw for external control line Steel Gasket for external control line Nitrile NBR Adjustment Tool see Figure 8 Pipe Plug for internal registration Steel not shown Part Number FA196247X12 T13769T0012 T13772T0012 1C629828992 27A5516X012 11416210012 11416310012 11416410012 11416510012 11416610012 11416710012 T14168T001 2 2 T14170T0012 T14171T0012 1H8162X0012 2 2 FA142932X1 14767524662 17 299H Series BN A b cu e VIEW A 180423 NOTE FOR KEYS 12 13 17 82 AND 83 REFER 299H SERIES REGULATORS PARTS LIST Figure 7 Type VSX 2 Assembly for Types 299HS and 299HSR USE THIS END FOR UNDERPRESSURE TRIP ADJUSTMENT TYPE VSX ADJUSTING TOOL 299H Series USE THIS END FOR OVERPRESSURE TRIP ADJUSTMENT TYPE VSX TOOL BEING USED TO ADJUST A TYPE VSX 2 Figure 8 Type VSX Adjusting Tool 19 299H Series Industrial Regulators Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75070 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Shanghai 201206 China Tel 86 21 2892 9000 Europe Bologna 40013 Italy Tel 39 051 419 0611 Middle East and
5. 5109 12 to 22 20 to 52 50 to 129 14163 0012 3 15 80 0 0 08 2 03 7 to 20 17 to 50 High 7 to 20 17 to 50 _ 9 Internal or 1 4 to 3 9 psig 97 to 269 14164T0012 3 15 80 0 0 09 2 31 Pressure 16 to 40 40 to 99 Tri External 16 to 40 40 to 99 1 to 3 25 psig 69 mbar to 0 22 bar 3 8 to 8 7 psig 262 to 600 11416510012 3 15 80 0 0 12 3 05 2 75 to 6 psig 0 19 to 0 41 bar 2 75 to 6 psig 0 19 to 0 41 bar _ e 5 8 to 16 psig 400 to 1103 14166T0012 3 15 80 0 0 14 3 51 5 to 16 psig 0 35 to 1 1 bar 5 to 16 psig 0 35 to 1 1 bar 11 6 to 23 psig 800 to 1586 T14167T0012 3 15 80 0 0 17 4 32 5109 12 to 22 _ 2 to 12 5 to 30 14168T0012 3 15 80 0 0 04 1 09 7 to 20 17 to 50 7 to 20 17 to 50 _ 4 to 30 10 to 75 14169T0012 3 15 80 0 0 06 1 40 161040 40 to 99 derma 1 to 3 25 psig 69 mbar to 0 22 bar 0 36 to 2 3 psig 25 to 159 T14170T0012 3 15 80 0 0 07 1 70 2 75 to 6 psig 0 19 to 0 41 bar 2 75 to 6 psig 0 19 to 0 41 bar P 1 5 to 10 8 psig 103 to 745 14171T0012 3 15 80 0 0 13 8 17 5 to 16 psig 0 35 to 1 1 bar Low 5 to 90 12 to 22 Pressure 7 to 200 17 to 50 esee m esrfes eae Jass Sx Trip 16 to 40 40 to 99 iq 69 mbar to 70 of regulator 70 of regulator 1 to 3 25 psig 0 22 bar setpoint to setpoint to T14170T0012 3 15 80 0 0 07 1 70 Internal 2 75 to 6 psig 0 19 to 0 41 bar 2 3 psig 159 mbar 70 of regulator 70 of regulator 2 75 to 6 psig 0 19 to 0 41 setpoint to setp
6. Africa Dubai United Arab Emirates Tel 011 971 4811 8100 Natural Gas Technologies Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75070 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Singapore 128461 Singapore Tel 65 6770 8337 Europe Bologna 40013 Italy Tel 39 051 419 0611 Chartres 28008 France Tel 33 2 37 33 47 00 Middle East and Africa Dubai United Arab Emirates Tel 011 971 4811 8100 For further information visit www emersonprocess com regulators TESCOM Emerson Process Management Tescom Corporation USA Headquarters Elk River Minnesota 55330 2445 USA Tels 1 763 241 3238 1 800 447 1250 Europe Selmsdorf 23923 Germany Tel 49 38823 31 287 Asia Pacific Shanghai 201206 China Tel 86 21 2892 9499 The Emerson logo is a trademark and service mark of Emerson Electric Co All other marks are the property of their prospective owners Fisher is a mark owned by Fisher Controls International LLC a business of Emerson Process Management The contents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability We reserve the right to modify or improve the designs or specifications of such products at any tim
7. RF flanged PN 10 16 flanged Steel For Types 299H and 299HR only 1 1 2 2 NPS 2 DN 50 CL150 RF flanged 18 Cap Screw Steel 2 required Types 299H and 299HR Types 299HS and 299HSR 19 Elbow 3 required for Cast Iron or Steel bodies 2 required for Ductile Iron Bodies 20 Connector 21 Pilot Supply Tubing Without filter 22 Loading Tubing 23 Cap Screw Steel 8 required Part Number T12587T0012 1L1426000A2 T40578T0012 14190419012 1H968919012 T80445T0012 2L425119012 T40561T0012 T40562T0012 T80424T0012 T80425T0012 T80426T0012 1J1904T0022 1H9689T0022 T80415T0012 T14034T0012 T14082T0012 1C379124052 13 299H Series HEX NUTS APPLY CONSTANT HAND PRESSURE SPRING SEAT UPPER SPRING CASE CLOSING SPRING DIAPHRAGM POST LOCKING DOWN THE SPRING SEAT TO FACILITATE INSTALLING THE HEX NUTS T80391 2 EXTERNAL REGISTRATION 180391 3 INTERNAL REGISTRATION LJ APPLY MULTI PURPOSE LUBRICANT L1 MULTI PURPOSE POLYTETRAFLUOROETHYLENE PTFE THREAD SEALANT S1 Figure 5 299H Series Interior Assembly 14 299H Series ex 060 8 0 0 L1 2 ON 6 w NZ RENE N ISSR 109 m mu ZZ i m E N TR BY SSY 3 4
8. for the application Registration Conversion To convert the 299H Series regulators from one type of registration to another all that is required is adding or removing screws and O rings To change an internal registration regulator to an external registration regulator with a downstream control line block the two ports in the throat with screws and O rings J in Figure 2 Remove either the 3 4 NPT pipe plug in the pilot casing or the 3 4 NPT pipe plug in the lower casing and add a downstream control line To convert an external registration regulator to a dual registration regulator remove the two screws and O rings J in Figure 2 from the throat and use a screw and an O ring to block the port G in Figure 2 between the lower diaphragm chamber and pilot diaphragm chamber Remove the 3 4 NPT pipe plug in the pilot lower casing and add a downstream control line Type VSX 2 Slam Shut Device To convert the Type VSX 2 from one type of registration to another all that is required is adding or removing a screw and gasket To change an internal registration Type VSX 2 to an external registration Type VSX 2 with downstream control line block the body pitot tube with a screw and gasket keys 10 and 11 Figure 7 Remove the pipe plug in the Type VSX 2 and add a downstream control line Type VSX 2 Installation Note The Type VSX 2 slam shut module should be mounted so that the spring case vent points towards the ground K
9. supplied from the pilot orifice to the top side of the main diaphragm E 299H Series This creates a higher pressure on the top side of the main diaphragm E than on the bottom side forcing the diaphragm downward This motion is transmitted through a lever which pulls the valve disk K open allowing inlet pressure to flow through the valve When the demand in the downstream system has been satisfied the outlet pressure increases The increased pressure is transmitted through the downstream control line for external or dual registration or through the port G for internal registration and acts on top of the pilot diaphragm F This pressure exceeds the pilot spring setting and forces the diaphragm down closing the orifice C The loading pressure acting on the main diaphragm E bleeds to the downstream system through a bleed restriction H With a decrease in loading pressure on top of the main diaphragm E the main closing spring B exerts an upward force on the diaphragm post which is connected to the main diaphragm pulling it upward This moves the main valve disk K toward its seat decreasing flow to the downstream system Type 299HR During normal operation the Type 299HR performance is identical to the Type 299H If an overpressure condition occurs the pilot diaphragm head will separate from the pilot diaphragm post and travel until it contacts the pilot spring case The movement of the diaphragm hea
10. the desired overpressure trip pressure 4 Reduce the overpressure trip spring compression until the Type VSX 2 trips 299H Series Use the following procedure to adjust the Underpressure Trip Spring 1 Use the Type VSX adjusting tool to adjust the underpressure trip spring to its minimum compression 2 Backpressure the unit with the desired underpressure trip pressure 3 Increase the underpressure trip spring compression using the Type VSX adjusting tool until the Type VSX 2 trips Shutdown Installation arrangements may vary but in any installation it is important to open and close valves slowly and the outlet pressure be vented before venting inlet pressure to prevent damage caused by reverse pressurization of the regulator Isolate the regulator from the system Vent the downstream pressure then vent inlet pressure to release any remaining pressure in the regulator Maintenance Regulator parts are subject to normal wear and must be inspected periodically and replaced as necessary The frequency of inspection and replacement depends upon the severity of service conditions and upon applicable codes and government regulations Due to the care Regulator Technologies takes in meeting all manufacturing requirements heat treating dimensional tolerances etc use only replacement parts manufactured or furnished by Regulator Technologies Avoid personal injury or damage to property from sudden release of press
11. 2 Remove the closing cap key 29 and turn the adjusting screw key 36 Turning the adjusting screw clockwise into the spring case increases the controlled or reduced pressure setting Turning the screw counterclockwise decreases the reduced pressure setting Always tighten the locknut key 35 and replace the closing cap after making adjustments Type VSX 2 Reset Note The overpressure and underpressure trip points can only be reset if the Type 299HS outlet pressure is between the overpressure and underpressure trip points Use the following procedure to reset the Type VSX 2 1 Unscrew the brass resetting knob to open the equalizing bypass 2 Pull out the knob until it stops This resets the tripping mechanism 3 Push in and tighten the knob Type VSX 2 Trip Adjustment Note An adjustment tool is included with the Type VSX 2 see Figure 8 Use only this tool to make adjustments to the Type VSX 2 To make adjustments the overpressure trip spring key 7 Figure 7 is found under the outer adjusting screw and the underpressure trip spring key 8 is found under the inner adjusting screw Use the following procedure to adjust the Overpressure Trip Spring 1 Use the Type VSX adjusting tool to adjust the overpressure trip spring to its maximum compression see Figure 8 2 If present adjust the underpressure spring using the Type VSX adjusting tool to its minimum compression 3 Backpressure the unit with
12. 299HR and 299HSR Tee Stainless steel Spring Seat Washer Delrin Plastic Plugs not shown Optional P590 Series Filter Key 72 Figure 3 Key 1 6 7 Description Filter Body Type P594 1 Brass Type P593 1 Aluminum Filter Element Cellulose Filter Head Type P594 1 Brass Type P593 1 Aluminum Machine Screw Type P594 1 Brass Type P593 1 Aluminum Washer 2 required Type P594 1 Brass Type P593 1 Aluminum Spring Washer Plated carbon steel Gasket Composition Part Number T13812T0012 T14013T0012 T1072606562 T14039T001 N T13769T0012 T13772T0012 1C62982899 T14030T001 N N T1215806032 T1215906032 19B0553X012 T13543T0042 Part Number 1E312414012 1E3125X0022 1E312606992 1E312514012 1E3125X0022 1J500218992 1J500209012 1J500018992 1J500010062 1H885128982 1F826804022 Type VSX 2 Slam Shut Device Figure 7 Key gt NORWN 10 11 12 Description Type VSX 2 Module Upper O ring Nitrile NBR Lower O ring Nitrile NBR Set Screw 4 required Stainless steel Type Y602 12 Vent Assembly High pressure Control Spring Zinc plated steel 12 to 25 inches w c 30 to 62 mbar Black 20 to 52 inches w c 50 to 129 mbar Brown 1 4 to 3 9 psig 97 to 269 mbar Red 3 8 to 8 7 psig 262 to 600 mbar Orange 5 8 to 16 psig 400 to 1103 mbar Pink 11 6 to 23 psig 800 to 1586 mbar Green Low pressure Control Spring Zinc plated steel 2 to 12 inches w c
13. 69 Main Body Valve Disk and Orifice Follow this procedure to inspect clean or replace the main body valve disk or to inspect or replace the orifice Part key numbers are referenced in Figures 5 and 6 Note The regulator body may remain in the pipeline during maintenance procedures 1 Disconnect the pilot supply tubing key 21 from the main body key 17 2 Remove the two hex head cap screws key 18 which hold the lower casing key 1 to the body Separate the lower casing from the body Inspect the body O ring key 15 and replace if worn or damaged 3 Examine the valve disk key 13 and orifice key 12 for nicks cuts and other damage Unscrew the disk holder assembly from the valve stem assembly key 16 and replace it with a new part if necessary For the Type 299HS also examine the insert and O ring keys 82 and 83 Figure 7 for any damage Replace if needed If the orifice is being replaced with a new or differently sized orifice change the nameplate key 63 to state the new size and maximum inlet pressure Lubricate the threads and flat face of the orifice with a good grade of anti seize lubricant Install the orifice using 100 to 120 foot pounds 136 to 163 Nem of torque 4 After replacing all damaged parts slide the entire assembly into the valve body key 17 and secure with the two hex head cap screws key 18 5 Connect the pilot supply tubing key 21 then refer to the Startup section for put
14. Aluminum 2 Upper Casing Aluminum 3 Closing Cap Aluminum 4 Spring Seat Steel 5 Adjustment Nut Steel 2 reguired 6 Closing Spring Steel 7 Pressure Equalization Spring Steel 8 Diaphragm Nitrile NBR 9 O ring Nitrile NBR 10 Diaphragm Post Steel 11 Pusher Post Aluminum 12 Orifice Aluminum 1 4 x 3 8 inch 6 4 x 9 5 mm 3 8 inch 9 5 mm 1 2 inch 13 mm 3 4 inch 19 mm 7 8 inch 22 mm for Types 299H and 299HR only 1 inch 25 mm for Types 299H and 299HR only 1 3 16 inches 30 mm for Types 299H and 299HR only 13 Disk Nitrile NBR 14 O ring Nitrile NBR Recommended spare part Part Number R299X000012 T80447T0012 74057770012 11928308012 T13831T0012 14341224122 T13918T0012 T13463T0012 T20986T0012 1F914106992 T13814T0012 11143311992 11383310012 1 979309022 1 979409022 1H979509022 T14098T0012 1H979609022 1H979709022 1P7349000A2 1E216306992 H 180391 6 8 8 28 8 6 8 8 8 TYPE 299HR PILOT WITH TOKEN RELIEF VALVE Figure 4 299H Series Pilot Assemblies Key Description 15 O ring Nitrile NBR 16 Valve Stem Assembly 17 Valve Body Cast Iron For Types 299H and 299HR only 1 1 4 NPT 1 1 2 NPT 2 NPT NPS 2 DN 50 CL125 FF flanged 7 5 inch 90 mm face to face dimension 10 inch 254 mm face to face dimension Ductile Iron For all 299H Series 1 1 2 NPT 2 NPT NPS 2 DN 50 CL125 FF flanged CL250
15. Instruction Manual Form 5497 January 2014 299H Series 299H Series Pressure Reducing Regulators Failure to follow these instructions or to properly install and maintain this equipment could result in an explosion and or fire causing property damage and personal injury or death Fisher regulators must be installed operated and maintained in accordance with federal state and local codes rules and regulations and Emerson Process Management Regulator Technologies Inc Regulator Technologies instructions If the regulator vents gas or a leak develops in the system service to the unit may be required Failure to correct trouble could result in a hazardous condition Call a gas service person to service the unit Only a qualified person must install or service the regulator Introduction Scope of the Manual This Instruction Manual provides installation adjustment and maintenance instructions and parts ordering information for the 299H Series regulators Complete instructions and parts list for the 67C Series filtered pilot supply regulator and other Fisher equipment are found in separate instruction manuals Description The 299H Series pressure reducing regulators provide a broad capacity of controlled pressure ranges and capacities in a wide variety of distribution industrial and commercial applications A 299H Series regulator has a pilot integrally mounted to the actuator casing The 299H Series regulators ca
16. NPT DOWNSTREAM CONTROL LINE CONNECTION 180391 180391 4 T80391 7 DUAL REGISTRATION 299H SERIES PILOT TRIM APPLY MULTI PURPOSE LUBRICANT L1 ANTI SEIZE COMPOUND L2 THREAD LOCK SEALANT 51 ADHESIVE A Figure 5 299H Series Interior Assembly continued 299H Series w o 0 0 amp 9 5 m m m 9 T80391 1 299H SERIES EXTERIOR VIEW TYPE 67CF PILOT x Q 5 l 5 x gt a gt 2 T80391 5 T80391 5 TUBING AND FITTINGS WITH OPTIONAL TYPE 67CF PILOT SUPPLY REGULATOR TUBING AND FITTINGS WITH OPTIONAL TYPE P590 FILTER APPLY ANTI SEIZE COMPOUND L2 MULTI PURPOSE PTFE THREAD SEALANT S1 Figure 6 299H Series Exterior Assembly 16 Parts List continued 299H Series Regulator Figures 4 5 and 6 continued Key 72 78 79 80 Description Part Number Machine Screw Steel 2 required 1B420428982 Lever Pin Stainless steel 2 required 1H972935032 Lever Steel T13813T0012 Vent Hood Type Y602 12 Vent Assembly 27A5516X012 Diaphragm Assembly Nitrile NBR diaphragm and steel diaphragm head T14259T0012 Closing Cap Plastic 24B1301X012 Machine Screw Steel 8 required T14069T0012 Spring Case Aluminum 71409770012 Control Spring See Table 2 Spr
17. T tapped connection in the spring case Installation Personal injury equipment damage or leakage due to escaping gas or bursting of pressure containing parts might result if this regulator is overpressured is installed where service conditions could exceed the limits for which the regulator was designed or where conditions exceed any ratings of the adjacent piping or piping connections To avoid such injury or damage provide pressure relieving or pressure limiting devices as required by the appropriate code regulation or standard to prevent service conditions from exceeding those limits A regulator may vent some gas to the atmosphere in hazardous or flammable gas service Vented gas might accumulate and cause personal injury death or property damage due to fire or explosion Vent a regulator in hazardous gas service to a remote safe location away from air intakes or any hazardous location Protect the vent line or stack opening against condensation or clogging If the regulator is exposed to an overpressure condition it should be inspected for any damage that may have occurred Operation below these limits does not preclude the possibility of damage from external sources or from debris in the pipeline If the Type VSX 2 is exposed to an overpressure condition it should be inspected for any damage that may have occurred Operation below these limits does not preclude the possibility of damage from external sourc
18. al Pilot Control Spring and Diaphragm Follow this procedure to change the pilot control spring or to inspect clean or replace the diaphragm Part key numbers are referenced in Figures 4 5 and 6 1 Remove the pilot closing cap key 29 and loosen the hex lock nut key 35 Turn the adjusting screw key 36 counterclockwise to ease spring compression 2 Unscrew the bonnet key 34 299H Series 3 Remove the bonnet key 34 spring seat key 33 and control spring key 32 4 If only replacing the control spring key 32 sparingly apply lubricant to the control spring seat key 33 and reassemble in the reverse order Note When replacing the control spring with a different spring range be sure to delete the spring range appearing on the nameplate and indicate the new range 5 Remove the machine screws key 30 and spring case key 31 from the lower casing key 1 6 Remove the diaphragm assembly key 28 by tilting them so that the pusher post key 40 slips off the lever key 57 To separate the diaphragm from the attached parts unscrew the hex nut key 37 and separate the parts washer key 38 diaphragm post key 39 pusher post key 40 overtravel spring key 41 machine screw key 42 spring seat key 88 Types 299HR and 299HSR rivet key 43 and retaining ring key 44 7 To replace the lever assembly key 57 remove the lever pin key 25 To replace the valve stem key 48 also perform Integr
19. al Pilot Valve Disk and Orifice maintenance procedure steps 1 2 and 3 and pull the stem key 48 out of the lower casing assembly key 1 Lightly lubricate the replacement stem O ring key 53 and install it on the valve stem 8 Install the valve stem key 48 into the lower casing assembly key 1 Be careful not to cut the O ring key 53 when sliding the valve stem into the lower casing 9 Reinstall the diaphragm key 28 assembly using the reverse order of step 6 10 Place the spring case key 31 on the lower casing key 1 with the vent key 27 oriented downwards to prevent clogging or entrance or moisture Install the machine screws key 30 and tighten in a crisscross pattern using 12 to 18 inch pounds 1 4 to 2 0 of torgue 11 When all maintenance is complete refer to the Startup section to put the regulator back into operation and adjust the pressure setting Tighten the locknut key 35 and install the closing cap key 29 Type VSX 2 Maintenance Parts numbers are referenced in Figure 7 The Type VSX 2 device key 1 is designed to be removed as a unit from the Type 299HS body key 17 and be replaced as a complete unit The only replaceable parts in the Type VSX 2 module are the O rings keys 2 and 3 and the high and low pressure springs keys 7 and 8 The high and low pressure springs may be adjusted or replaced without removing the slam shut device from the Type 299 5 body Optional P590 Series Fi
20. assembly key 8 by tipping it so that the lever key 26 slips out of the pusher post key 11 Separate the diaphragm assembly by unscrewing the diaphragm post key 10 from the pusher post key 11 and remove the diaphragm post pressure equalization spring key 7 diaphragm head key 81 diaphragm key 8 the second diaphragm head key 81 and diaphragm pad key 80 Inspect the diaphragm parts for damage and replace if necessary Inspect the lever key 26 and replace if necessary To replace the valve stem key 16 also perform Main Body Valve Disk and Orifice maintenance procedure steps 1 2 and 3 remove disk key 13 and pull the stem out of the lower casing assembly key 1 Lightly lubricate the replacement stem O ring key 14 and install it on the valve stem Reinstall the valve stem into the lower casing assembly Reinstall the body key 17 or continue with the reassembly of the diaphragm Note When assembling the diaphragm assembly keys 8 80 and 81 lubricate the actuator diaphragm post key 10 threads 8 10 Loosely reassemble the diaphragm and diaphragm post parts so that the bolt holes in the diaphragm align with the corresponding holes in the lower casing key 1 when the lever key 26 is fitted properly into the pusher post When this orientation is made tighten the diaphragm post into the pusher post keys 10 and 11 Reinstall the diaphragm assembly using the reverse order of st
21. d creates a path and a token or small amount of gas will be released When the overpressure condition ceases the pilot diaphragm head will return to the diaphragm post and the regulator will return to normal operation Type 299HS The Type VSX 2 slam shut device on the Type 299HS regulator is a fast acting slam shut valve which provides overpressure or overpressure and underpressure protection by completely shutting off the flow of gas to the downstream system The slam shut module s actions are independent of the Type 299HS main regulator and of the variations to the inlet pressure The Type VSX 2 has internal or external registration External registration requires a downstream sensing line The slam shut disk is held in the open position reset position by a small ball holding the disk stem If the pressure below the diaphragm increases or decreases reaching the Type VSX 2 setpoint the diaphragm will travel upwards or downwards operating a lever which in turn releases the ball Once the ball is released the spring force on the stem will push the stem and disk to the closed position against the seat shutting off all gas flow The pilot supply pressure is also shut off when the Type VSX 2 is closed The manual reset has an internal bypass to equalize the reset pressure on either side on the slam shut disk In order for the Underpressure Shutoff UPSO of any slam shut to be triggered the downstream pipe pressure must dro
22. e without notice Emerson Process Management Regulator Technologies Inc does not assume responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any Emerson Process Management Regulator Technologies Inc product remains solely with the purchaser amp EMERSON s Managemen CEmerson Process Management Regulator Technologies Inc 1999 2014 All Rights Reserved P
23. ep 5 Install the upper casing key 2 and secure it to the lower casing key 1 with the eight hex head screws key 23 Tighten the hex head screws evenly using a crisscross pattern to avoid placing an uneven strain on the regulator Tighten the screws to a final bolt torque of 10 to 13 foot pounds 13 to 17 Nem to avoid crushing the diaphragm 11 12 13 In step 11 the spring seat key 4 is under spring pressure Use constant hand pressure to hold the spring down when installing the hex nuts key 5 see Figure 5 Install the closing spring key 6 and the spring seat key 4 Push and hold down on the spring seat cocking it to one side until the seat catches onto the threads of the diaphragm post key 10 Then pull up on the diaphragm post allowing access to the post threads so that the two adjusting hex nuts key 5 can be installed Install the adjusting hex nuts as shown in Figure 5 The closing spring must be adjusted down to a depth of 1 2 inch 13 mm from the top of the upper case opening to the top of the spring seat When tightening the two hex nuts use care not to rotate the diaphragm post which may damage the post Lightly lubricate the O ring key 9 on the closing cap and reinstall the closing cap key 3 The wire seal and warning tag keys 68 and 69 contain important safety information make sure they are attached when maintenance is completed Install the wire seal and warning tag keys 68 and
24. es or from debris in the pipeline In the case of a downstream line break numerous factors affect the capability to evacuate gas from the pipeline These factors include the distance of pipe to the break the diameter of the pipe size of the break and the number of restrictions such as valves elbows and bends downstream of the regulator and or slam shut device Due to these factors additional protections should be installed to stop flow in the event of a line break Like most regulators the 299H Series regulators have an outlet pressure rating lower than its inlet pressure rating Complete downstream overpressure protection is needed if the actual inlet pressure can exceed the regulator outlet pressure rating or the pressure ratings of any downstream equipment Regulator operation 299H Series within ratings does not preclude the possibility of damage from external sources or from debris in the lines A regulator should be inspected for damage periodically and after any overpressure condition Clean out all pipelines before installation Check for damage which might have occurred during shipment Also check for and remove any dirt or foreign material which may have accumulated in the regulator body Apply pipe compound to the external pipe threads of threaded bodies or use suitable line gaskets and good bolting practices with a flanged body This regulator may be installed in any position desired as long as the flow through t
25. eys are referenced in Figure 7 Place new O rings keys 2 and 3 on the Type VSX 2 and slide the module into the Type 299HS body key 17 Secure the Type VSX 2 to the Type 299HS body with the four set screws key 4 The Type VSX 2 device may be oriented in any direction with respect to the sensor line connection Startup With proper installation completed and downstream equipment properly adjusted perform the following procedure while monitoring the pressure with gauges 1 Very slowly open the upstream block valve 2 Ona Type 299HS the Type VSX 2 is shipped in the tripped position and will need to be reset If the Type VSX 2 is a high trip only it can be reset before starting the regulator If the Type VSX 2 is a high and low trip the regulator will need to be started and the downstream system pressurized before the Type VSX 2 can be reset See the section for Type VSX 2 reset 3 Slowly open the hand valve if used in the control line The regulator will control downstream pressure at the pilot control spring setting See the Adjustment section following these numbered steps if changes in the setting are necessary during the start up procedure 4 Slowly open the downstream block valve 5 Slowly close the bypass valve if used 6 Check all connections for leaks Adjustment Keys are referenced in Figure 4 The only adjustment on a 299H Series regulator is the reduced pressure setting of the pilot control spring key 3
26. he body is in the direction indicated by the arrow on the body Install a three valve bypass around the regulator if continuous operation is necessary during maintenance or inspection Although the standard orientation of the actuator and pilot to the main valve body is as shown in Figure 1 this orientation may be changed in 90 intervals by rotating the actuator lower casing key 1 Figure 6 and the elbow fitting key 19 by 90 and then reinstalling the cap screws To keep the pilot spring case from being plugged or the spring case from collecting moisture corrosive chemicals or other foreign material the vent must be pointed down oriented to the lowest possible point on the spring case or otherwise protected Vent orientation may be changed by rotating the pilot spring case with respect to the pilot body To remotely vent the pilot remove the screwed in vent assembly key 27 Figure 5 from the pilot spring case and install obstruction free tubing or piping into the 1 4 NPT vent tapping Provide protection on a remote vent by installing a screened vent cap into the remote end of the vent pipe An upstream pilot supply line is not required because of the integral pilot supply tubing key 21 Figure 6 However as long as the 1 4 NPT tapping in the main valve body is plugged this tubing may be disconnected from the main valve key 17 in order to install a pilot supply line from a desired remote location into the pilot If us
27. ing Seat Steel T13917T0012 Bonnet Steel T14135T0012 Locknut Steel 14352224122 Adjusting Screw Steel T14133T0012 Hex Nut Steel 1E985324142 Washer Steel 1F230328992 Diaphragm Post Stainless steel Types 299H and 299HS T13915T0012 Types 299HR and 299HSR T14033T0012 Pusher Post Steel T13914T0012 Overtravel Spring Stainless steel Types 299H and 299HS T14136T0012 Types 299HR and 299HSR T14031T0012 Machine Screw Steel 14954828992 Rivet Flat head Stainless steel T13916T0012 Retaining Ring Steel 16A6977X012 Check Valve Assembly T14258T0012 Machine Screw Steel 4 required T13920T0012 Inlet Fitting Aluminum 11382410012 Stem Assembly Aluminum 1H9666T0012 O ring Nitrile NBR T13939T0012 Pilot Orifice Aluminum T13825T0012 Inlet Screen Stainless steel T13791T0012 Pilot Disk Assembly Hydrogenated Nitrile NBR and Aluminum disk holder T13955T0012 O ring Nitrile NBR 1D682506992 O ring Nitrile NBR 13A2331X022 Screw Steel External Registration 2 required or Dual Registration 1 required 1E175828982 Lever Steel T14134T0012 Pipe Plug Steel 1A7715T0012 Pipe Plug Internal Registration only Steel 3 4 NPT 1A7715T0012 1 4 NPT 14767524662 O ring Nitrile NBR External Registration 2 required or Dual Registration 1 required 17A0960X012 Drive Screw Steel 2 required 1E501728982 Nameplate Aluminum Wire Seal T14088T0012 Warning Tag Aluminum wwe eee eee ee Bleed Restriction Steel 0 044 i
28. ing a control line attach the control line from the pilot tap 2 to 3 feet 0 61 to 0 91 meters downstream of the regulator in a straight run of pipe If impossible to comply with this recommendation due to the pipe arrangement it may be better to make the control line tap nearer the regulator outlet rather than downstream of a block valve Do not make the tap near any elbow swage or nipple which might cause turbulence For optimal performance use as large of a control line as practical 299 Series In many instances it will be necessary to enlarge the downstream piping to keep flow velocities within good engineering practices Expand the piping as close to the regulator outlet as possible Adjustment of the pilot control spring to produce an outlet pressure higher than the upper limit of the outlet pressure range for that particular spring can cause personal injury or equipment damage due to bursting of pressure containing parts or the dangerous accumulation of gases if the maximum actuator emergency casing pressure is exceeded If the desired outlet pressure is not within the range of the pilot control spring install a spring of the proper range according to the Maintenance section Each regulator is factory set for the pressure setting specified on the order If no setting was specified the outlet pressure is set midrange of the pilot control spring In all cases check the control spring setting to make sure it is correct
29. lter Keys are referenced in Figures 3 and 6 If clogging is suspected in the upstream regulator passages disconnect the pilot supply tubing key 21 Figure 6 remove the filter assembly key 72 and check for filter clogging If necessary to clean or replace filter parts remove the following filter body key 1 machine screw key 4 spring washer key 6 gasket key 7 washer key 5 and filter element key 2 Upon reassembly place one flat washer key 5 between the filter element and filter head key 3 and the other between the filter element and gasket Optional Type 67CF Pilot Supply Regulator For complete installation maintenance and parts list refer to the 67C Series Instruction Manual Parts Ordering The type number orifice size spring range and date of manufacture are stamped on the nameplate Provide this information along with the eleven character part number to your local Sales Office when ordering parts If construction changes are made in the field be sure that the nameplate is also changed to reflect the most recent construction 299 Series T80391 6 41 ONG ODE 8 8 4 TYPE 299 PILOT WITHOUT RELIEF VALVE APPLY ANTI SEIZE COMPOUND L2 ADHESIVE A Parts List 299H Series Regulator Figures 4 5 and 6 Key Description Parts Kit Includes keys 8 9 13 14 15 28 49 52 53 54 60 61 and 80 1 Lower Casing
30. n handle inlet pressures up to 175 psi 12 1 bar depending on orifice size www fisherregulators com Figure 1 299H Series Pressure Reducing Regulator The integral token relief on the Types 299HR and 299HSR regulators is located in the pilot and opens to relieve minor overpressure The Type 299HS provides overpressure or overpressure and underpressure protection by completely shutting off the flow of gas to the downstream system It comes with a Type VSX 2 slam shut device which can be configured for Ovepressure Shutoff OPSO or Overpressure and Underpressure Shutoff OPSO UPSO The slam shut device s actions are independent of the main valve and of variations to the inlet pressure The Type VSX 2 slam shut device has internal or external registration External registration requires a downstream sensing line s Process Management EMERSON D102684X012 299H Series Specifications Specifications for 299H Series constructions are given below Some specifications for a given regulator as it originally comes from the factory are stamped on a nameplate located on the actuator upper casing Available Constructions Type 299H Pilot operated pressure reducing regulator with a pilot integrally mounted to the actuator casing Type 299HR A Type 299H with a token internal relief valve to relieve minor overpressure caused by thermal expansion Type 299HS Same as the Type 299H with a Type VSX 2 slam shut valve which
31. nch 1 1 mm Red standard 17A2029X012 0 071 inch 1 8 mm Green 17A2030X012 0 082 inch 2 1 mm Blue 17A7277X012 Filter Assembly See P590 Series Type P593 1 AJ5004T0012 Type P594 1 AJ5004000A2 Pilot Supply Tubing Long for constructions with filter or pilot supply option Pilot Supply Tubing Short for constructions with filter or pilot supply option Pad Nitrile NBR T13830T0012 Recommended spare part 1 Cast iron or steel bodies without filter and pilot supply regulator require 1 connector all other combinations of filter and or pilot supply regulator require 3 connectors Ductile iron bodies without filter and pilot supply regulator require 2 connectors all other combinations of filter and or pilot supply regulator require 4 connectors 2 Ductile iron bodies only Delrin is a mark owned by E I du Pont de Nemours and Key 81 82 83 84 85 86 87 88 89 92 93 94 299H Series Description Diaphragm Head Steel 2 required Insert for Types 299HS and 299HSR only see Figure 7 Aluminum O ring for Types 299HS and 299HSR only see Figure 7 Nitrile NBR Plate for Types 299H and 299HR only Steel O ring for Types 299H and 299HR only Nitrile NBR O ring for Types 299H and 299HR only Nitrile NBR Set Screw for Types 299H and 299HR only 4 required Spring Seat Types 299HR and 299HSR Label not shown Types 299H and 299HS Types
32. oint to T14171T0012 3 15 80 0 0 13 3 17 10 8 psig 745 mbar 75 of regulator 75 of regulator 5 to 16 psig 0 35 to 1 1 bar setpoint to setpoint to T14171T0012 3 15 80 0 0 13 3 17 10 8 psig 745 mbar 1 Low Pressure Trip cannot be used with this main valve spring range for an internally registered Type VSX 2 to provide underpressure shutoff under flowing conditions If protection against loss of inlet pressure is the only required function for the Type VSX 2 then an internally registered Type VSX 2 may be used with the same minimum trip pressures as an externally registered Type VSX 2 2 70 of regulator setpoint is the minimum allowable Low Pressure Trip setting for an internally registered Type VSX 2 used with this main valve spring range If protection against loss of inlet pressure is the only required function for the Type VSX 2 then an internally registered Type VSX 2 may be used with the same minimum trip pressures as an externally registered Type VSX 2 3 75 of regulator setpoint is the minimum allowable Low Pressure Trip setting for an internally registered Type VSX 2 used with this main valve spring range If protection against loss of inlet pressure is the only required function for the Type VSX 2 then an internally registered Type VSX 2 may be used with the same minimum trip pressures as an externally registered Type VSX 2 Note Other spring combinations are available please contact your local Sales Office for additional information
33. p below the UPSO setpoint In the case of a downstream line break numerous factors can prevent the downstream pipe pressure from decreasing below the slam shut UPSO setpoint These factors include the distance of pipe to the break the diameter of the pipe size of the break and the number of restrictions such as valves elbows and bends downstream of the regulator and or slam shut device Due to these factors additional protections should be installed to stop flow in the event of a line break Overpressure Protection Like most regulators the Type 299H has outlet pressure ratings lower than the inlet pressure ratings Complete downstream overpressure protection is needed if the actual inlet pressure exceeds the outlet pressure rating Overpressure protection for internal parts is built into the main and pilot diaphragms by means of a small spring on each post The springs will allow the diaphragm heads to move farther on the posts avoiding damage to or bending of the valve trim Overpressuring any portion of a regulator or associated equipment may cause leakage parts damage or personal injury due to bursting of pressure containing parts or explosion of accumulated gas Regulator operation within ratings does not preclude the possibility of damage from external sources or from debris in the pipeline A regulator should be inspected for damage periodically and after any overpressure condition The pilot vent is provided with a 1 4 NP
34. provides overpressure or overpressure and underpressure protection Type 299HSR Same as the Type 299HS with an internal token relief valve Body Size and End Connection Styles See Table 1 Maximum Operating Inlet Pressure by Orifice Size 1 4 x 3 8 inch 6 4 x 9 5 mm 175 psig 12 1 bar 3 8 inch 9 5 mm 175 psig 12 1 bar 1 2 inch 13 mm 175 psig 12 1 bar 3 4 inch 19 mm 150 psig 10 3 bar 7 8 inch 22 125 psig 8 6 bar 1 inch 25 100 psig 6 9 bar 1 3 16 inches 30 mm 80 psig 5 5 bar Maximum Casing and Emergency Outlet Pressure 66 psig 4 5 bar Outlet Control Pressure Ranges See Table 2 Maximum Set Pressure for Type 299HS 16 psig 1 1 bar Maximum Set Pressure for Slam Shut Device 23 psig 1 6 bar Minimum and Maximum Trip Pressure Ranges See Table 3 Type VSX 2 Sensing Line Connection 1 4 NPT Pressure Control Accuracy Fixed Factor PFM 1 of absolute control pressure Minimum Differential Pressure For Full Stroke 1 5 psid 0 10 bar d Control Line Connections 3 4 NPT Temperature Capabilities 20 to 150 F 29 to 66 C Approximate Weight 21 pounds 10 kg Pressure Registration Internal External or Dual Registration See Figure 2 Fixed Restriction Sizes 0 044 inch 1 4 mm Red standard gain 0 071 inch
35. ting the regulator into operation Integral Pilot Valve Disk and Orifice Follow this procedure to inspect clean or replace the integral pilot valve disk or orifice Part key numbers are referenced in Figures 5 and 6 1 Remove or loosen the pilot supply tubing key 21 2 Remove the inlet fitting key 47 and the four machine screws key 46 3 Examine the valve disk key 52 for nicks cuts and other damage Unscrew the disk holder assembly from the valve stem key 48 and replace if necessary 299H Series M INI EM QZ A7008 KEY 72 OPTIONAL P590 SERIES FILTER Figure 3 Optional P590 Series Filter 4 Ifthe seating edge of the orifice key 50 is nicked or rough use a thin walled socket to remove the orifice from the inlet fitting key 47 Install a new orifice and a lightly lubricated O ring key 49 when reassembling the regulator 5 Inspect the check valve assembly key 45 and the bleed restriction key 70 for damage and replace if necessary 6 The Type 299H has a wire inlet screen key 51 in the pilot supply inlet fitting key 47 If clogging is suspected in the pilot supply remove the elbow fitting key 19 and clean the wire screen 7 Lightly lubricate the O ring key 54 on the inlet fitting key 47 and reinstall using the four machine screws key 46 Torque the machine screws to 30 to 40 inch pounds 3 4 to 4 5 Nem Then install and tighten the pilot supply tubing Integr
36. ugh pilot operation to load the main diaphragm chamber Tubing connects the inlet pressure to the pilot Downstream or outlet pressure registers underneath the main diaphragm E and on top of pilot diaphragm F There are three different versions of pressure registration for the 299H Series 299H Series Z m E0069 EXTERNAL REGISTRATION E0070 INTERNAL REGISTRATION TYPE 299HS Figure 2 299H Series Operational Schematics continued Internal registration Outlet pressure is registered through the throat J to the main diaphragm chamber and then through a small port G to the top of the pilot diaphragm External registration The throat J is blocked and a downstream control line is connected to the pilot upper diaphragm chamber or the actuator lower diaphragm chamber A small port G connects the two chambers Dual registration The lower main diaphragm chamber registers outlet pressure through the throat J and the upper pilot diaphragm chamber registers downstream pressure by using a downstream control line The port G between the chambers is blocked Type 299H In operation assume the outlet pressure is less than the setting of the pilot control spring A The top side of pilot diaphragm assembly F will have a lower pressure than the setting of the control spring A The control spring A forces the diaphragm assembly upward opening the pilot orifice C Additional loading pressure is
37. ure or uncontrolled gas or other process fluid Before starting to disassemble carefully release all pressures according to the Shutdown procedure Use gauges to monitor inlet loading and outlet pressures while releasing these pressures On reassembly of the regulator it is recommended that a good quality pipe thread sealant be applied to pressure connections and fittings and a good quality lubricant be applied to all O rings Also apply an anti seize compound to the adjusting screw threads and other areas as needed 299H Series Note The regulator body may remain in the pipeline during maintenance procedures Main Actuator Diaphragm Follow this procedure to change the actuator diaphragm or to inspect clean or replace any other parts in the main actuator Part key numbers are referenced in Figures 5 and 6 1 Cut the wire seal key 68 being careful not to lose the warning tag and remove the closing cap key 3 Inspect the O ring key 9 and replace if necessary Carefully loosen and remove the double nuts key 5 on the actuator diaphragm post key 10 When removing the adjusting nuts do not twist or unscrew the diaphragm post as this action will loosen the joint between the diaphragm post and the pusher post keys 10 and 11 Remove the spring seat key 4 and closing spring key 6 Remove the eight hex head cap screws key 23 and lift off the upper casing key 2 Remove the diaphragm
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