Emerson Type 1190 Low-Pressure Gas Blanketing Regulator Data Sheet
Contents
1. 16 06 1408 CAP z REMOVAL CLEARANCE TYPE 95H 3 4 NPT DOWNSTREAM CONTROL CONNECTION FW D p y fs a an I v v pi A 8 19 1208 meer 7 care PILOT y ACTUATOR REMOVAL B2416 AIR CLEARANCE 1333 2 INCHES y mm Figure 3 Dimensions Table 11 Dimensions DIMENSIONS MAIN VALVE e oF o BODY SIZES CL150RF or CL300 RF oe D G Z AIR NPT RF Steel Steel Steel Stainl Steel or Stainless or Stainless AIS 188 Steel Steel NPS DN Inch mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch mm 1 25 8 25 210 7 25 184 7 75 197 8 25 210 3 88 98 6 8 62 219 11 38 289 3 00 76 2 2 50 11 25 286 10 00 254 10 50 267 11 25 286 4 56 116 9 12 232 12 62 321 3 12 79 2 3 80 11 75 298 12 50 317 13 25 337 5 31 135 11 25 286 16 25 413 3 88 98 6 4 100 13 88 353 14 50 368 15 50 394 6 50 165 12 62 321 18 88 480 5 12 130 6 150 17 75 451 18 62 473 20 00 508 7 25 184 13 69 348 20 00 508 6 38 162 Bulletin 74 1 1190 Ordering Guide Construction Select One O Standard O NACE Type EGR Main Valve Main Valve Body Size Select One NPS 1 DN 25 O NPS 2 DN 50 O NPS 3 DN 80 O NPS 4 7 DN 100 m O mi NPS 6 DN 1502. NPS 8 x 6 DN 200 x 150 O NPS 12 x 6 DN 300 x 150 Main Valve Body Material Select One O Cast Iron O WCC Steel O CF8M Stainless steel NACE Main Valve End Connection Style Select One Cast Iron Body O NPT Available for 1 or 2 NPT body sizes only O CL125 FF O CL250 RF WCC Steel or CF8M Stainless Steel Body O NPT Available for 1 or 2 NPT body sizes only SWE CL150 RF CL300 RF CL600 RF BWE 40 BWE 80 PN 16 25 40 m O O O O O O please specify rating Main Valve Body Flange Material Select One O Cast iron O WCC Steel O CF8M Stainless steel NACE Travel Stop Select One O 100 percent standard O 60 percent O 30 percent Main Valve Cage Type and Material Select One O Linear CF8M Stainless steel NACE O Whisper Trim Cage 416 Stainless steel O Whisper Trim Cage 316 Stainless steel NACE Type EGR continued Main Valve Spring Range Select One O 60 psig 4 1 bar maximum drop Green O 125 psig 8 6 bar maximum drop Blue O 400 psig 27 6 bar maximum drop Red Main Valve Spring Material O Steel O Inconel X750 NACE O ring and Seal Material Select One O Nitrile NBR O Fluorocarbon FKM O Perfluoroelastomer FFKM O Ethylenepropylene EPDM Type Y191A Pilot Body Material Select One O Ductile iron O Stainless steel NACE Spring Case Material Select One O Ductile iron
3. Cage C C a C C E NPS DN Regulating Wide Open Regulating Wide Open Regulating Wide Open Regulating Wide Open 1 25 568 598 17 2 18 1 33 0 529 557 15 6 16 4 34 0 2 50 2050 2160 59 6 62 8 34 4 1830 1930 52 3 55 1 35 0 3 80 4410 4650 128 135 34 4 3630 3830 106 110 34 2 4 100 6940 7310 198 209 35 0 6020 6340 171 180 35 2 6 150 12 100 12 800 381 404 31 7 9240 9730 291 306 31 7 8x6 200 x 150 17 370 18 280 543 571 32 0 10 020 10 550 286 301 35 0 12x6 300x150 19 900 20 950 622 655 32 0 10 380 10 930 297 312 35 0 Bulletin 74 1 1190 Table 9 Supply Pressure Settings Required for the Type 95H Regulator TYPE SUPPLY PRESSURE BODY SIZES EGR Type Y191A Spring Color SPRING Orange Red Unpainted Yellow Green Light Blue Black NPS DN ee psig bar psig bar psig bar psig bar psig bar psig bar psig bar Green 6 0 41 6 0 41 6 0 41 7 0 48 8 0 55 11 0 76 13 0 90 1 25 Blue 7 0 48 7 0 48 7 0 48 8 0 55 10 0 69 13 0 90 14 1 0 Red 8 0 55 8 0 55 8 0 55 9 0 62 11 0 76 14 0 97 15 1 0 Green 6 0 41 6 0 41 6 0 41 7 0 48 9 0 62 12 0 83 13 0 90 2 50 Blue 8 0 55 8 0 55 8 0 55 9 0 62 11 0 76 14 0 97 15 1 0 Red 13 0 90 13 0 90 13 0 90 14 1 0 16 1 1 19 1 3 20 1 4 Green 7 0 48 7 0 48 7 0 48 8 0 55 10 0 69 13 0 90 14 1 0 3 80 Blue 9 0 62 9 0 62 9 0 62 10 0 69 12 0 83 15 1 0 16 1 1 Red 14 1 0 14 1 0 14 1 0 15 1 0 17 1 2 20 1 4 21 1 5 Green 8 0 55 8 0 55 8 0 55 9 0
4. O Stainless steel NACE Outlet Pressure Range Select One O 0 25 to 2 5 inches w c 0 6 to 6 mbar O 2 to 7 inches w c 5 to 17 mbar O 5 to 16 inches w c 12 to 40 mbar O 0 5 to 1 2 psig 34 to 83 mbar O 1 1 to 2 5 psig 76 to 172 mbar O 2 5 to 4 5 psig 172 mbar to 0 31 bar O 4 5 to 7 0 psig 0 31 to 0 48 bar Diaphragm Material Select One O Nitrile NBR O Fluorocarbon FKM O Nitrile NBR with Polytetrafluoroethylene PTFE diaphragm protector O ring and Seal Material Select One O Nitrile NBR O Fluorocarbon FKM O Ethylenepropylene EPDM O Perfluoroelastomer FFKM Closing Cap Material Select One O Plastic O Steel O Stainless steel NACE Required O Yes Bulletin 74 1 1190 Ordering Guide continued Type 1098 Actuator Parts Kit Lower Diaphragm Case Material Select One Replacement Parts Kit Optional O Steel O Yes send one replacement parts kit to match this order O Stainless steel NACE for each unit Bonnet Material Select One Quick Change Trim Package Optional O Steel O Yes send one main valve Quick Change Trim Package O Stainless steel NACE to match this order O ring Material Select One Wireless Position Monitor Mounting Kit Optional O Nitrile NBR O Yes send one mounting kit for mounting the O Fluorocarbon FKM Topworx 4310 or the Fisher 4320 wireless position monitor O Ethylenepropylene EPDM D
5. k Special Order Constructed from Non Stocked Parts Consult your local Sales Office for Availability longest shipping time for the requested construction Availability of the product being ordered is determined by the component with the 11 Bulletin 74 1 1190 Industrial Regulators Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75069 1872 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 Africa Dubai United Arab Emirates Tel 971 4811 8100 Natural Gas Technologies Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75069 1872 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 28000 France Tel 33 2 37 33 47 00 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 For further information visit www fisherregulators com The Emerson logo is a trademark and service mark of Emerson Electric Co All other marks are the property
6. selected inlet pressures and outlet pressure settings Flows are in SCFH at 60 F and 14 7 psia and To determine wide open flow capacities for relief sizing use the following formula where G 1abs Q gas flow rate SCFH T absolute gas temperature at inlet Rankine P outlet pressure psig Nm3 h at 0 C and 1 01325 bar of 0 97 specific gravity Nitrogen For gases of other specific gravities multiply Q the given capacity of Nitrogen by 0 985 and divide by the square root of the appropriate specific gravity of the gas required GT C C C or 35 as shown in Table 8 C gas sizing coefficient from Table 8 gas specific gravity air 1 inlet pressure psia psig 14 7 psi psia AP pressure drop across the regulator psi P P 520 CP 1abs 4 3417 AP sin pEc G dR Bulletin 74 1 1190 Table 7 Gas Flow Required for Thermal Heating Outbreathing or Cooling Inbreathing per American Petroleum Institute Standard 2000 API 2000 Interpolate for Intermediate sizes VESSEL CAPACITY AIR FLOW RATE REQUIRED Barrels Gallons Liters SCFH Nm h 60 2500 9500 60 1 6 100 4200 16 000 100 2 7 500 21 000 79 500 500 13 4 1000 42 000 159 000 1000 26 8 2000 84 000 318 000 2000 53 6 3000 126 000 477 000 3000 80 4 4000 168 000 636 000 4000 107 5000 210 000 795 00
7. 62 11 0 76 14 1 0 15 1 0 4 100 Blue 11 0 76 11 0 76 11 0 76 12 0 83 14 1 0 17 1 2 18 1 3 Red 16 4 4 16 1 1 16 1 1 17 1 2 19 1 3 22 1 5 23 1 6 6 150 Green 13 0 90 13 0 90 13 0 90 14 1 0 15 1 0 18 1 2 20 1 4 8x6 200 x 150 Blue 17 1 2 17 1 2 17 1 2 18 1 2 20 1 4 23 1 6 24 ae 12x6 300x150 Red 2 15 22 15 22 15 23 16 25 17 28 19 29 20 1 The pressures shown in the table are the minimum supply pressures required by the pilot If the inlet pressure is less than shown an external pilot supply is necessary Table 10 Flow Capacities in SCFH Nm h of 0 97 Specific Gravity Nitrogen INLET OUTLET CAPACITIES IN SCFH Nm h OF 0 97 SPECIFIC GRAVITY NITROGEN PRESSURE PRESSURE NPS 1 DN 25 Body NPS 2 DN 50 Body NPS 3 DN 80 Body NPS 4 DN 100 Body NPS 6 DN 150 Body psig bar psig bar SCFH Nm h SCFH Nm h SCFH Nm h SCFH Nm h SCFH Nm h 30 2 1 aa ew 27 300 732 103 900 2785 204 000 5467 322 000 8630 580 000 15 544 40 2 8 33 300 892 126 600 3393 257 000 6888 406 300 10 889 716 100 19 191 50 3 5 39 400 1056 149 800 4015 304 000 8147 480 600 12 880 847 100 22 702 60 4 1 7or 0 48or 45 500 1219 173 000 4636 351 000 9407 554 900 14 871 978 000 26 210 70 4 8 less less 51 600 1383 196 000 5253 398 000 10 666 629 200 16 863 1 108 900 29 719 80 5 5 57 700 1546 220 000
8. Institute Standard 2000 API 2000 determine the flow of blanketing gas required 1 Determine the gas flow rate required to replace the liquid being pumped out see Table 6 2 Determine the gas flow rate due to inbreathing caused by atmospheric thermal cooling see Table 7 3 Add results from steps 1 and 2 then select regulator size based on total capacity required see Table 10 Sample sizing problem Vessel Capacity 0 0 50 000 barrels Pump In Out Capacity 100 GPM 378 LPM Inlet Pressure Source 60 psig 4 1 bar of Nitrogen Desired Blanket Setpoint 0 5 inch w c 1 2 mbar 1 From Table 6 the desired air flow rate due to pump out is 800 SCFH 21 Nm h of air 100 GPM 378 LPM x 8 021 802 2 From Table 7 the desired air flow rate is 40 000 SCFH 1072 Nm h of air due to thermal cooling Total required flow rate of 40 800 SCFH 1093 Nm h of air converts to 41 600 SCFH 1115 Nm h of Nitrogen 40 800 x 1 018 41 534 Bulletin 74 1 1190 Table 5 Maximum and Minimum Differential Pressures for Main Valve Spring Selection MINIMUM DIFFERENTIAL BODY SIZES MAIN VALVE SPRING setae gee PRESSURE REQUIRED SPRING PART COLOR FOR FULL STROKE NUMBER NPS DN psig bar psig bar 14A9687X012 Green 60 4 1 2 5 0 17 1 25 14A9680X012 Blue 125 8 6 4 0 28 14A9679X012 Red l 300 or body rating 20 7 or body rating limit 5 0 3
9. 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 time without notice Emerson Process Management 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 product remains solely with the purchaser EMERSON Emerson Process Management Regulator Technologies Inc 1993 2012 All Rights Reserved Process Management
10. 0 5000 134 10 000 420 000 1 590 000 10 000 268 15 000 630 000 2 385 000 15 000 402 20 000 840 000 3 180 000 20 000 536 25 000 1 050 000 3 975 000 24 000 643 30 000 1 260 000 4 769 000 28 000 750 35 000 1 470 000 5 564 000 31 000 831 40 000 1 680 000 6 359 000 34 000 911 45 000 1 890 000 7 154 000 37 000 992 50 000 2 100 000 7 949 000 40 000 1072 60 000 2 520 000 9 539 000 44 000 1179 70 000 2 940 000 11 129 000 48 000 1286 80 000 3 360 000 12 718 000 52 000 1394 90 000 3 780 000 14 308 000 56 000 1501 100 000 4 200 000 15 898 000 60 000 1608 120 000 5 040 000 19 078 000 68 000 1822 140 000 5 880 000 22 257 000 75 000 2010 160 000 6 720 000 25 437 000 82 000 2198 180 000 7 560 000 28 616 000 90 000 2412 Table 8 Flow Coefficients PIPING STYLE Line Size Equals Body Size Pipin BODY SIZES a y aa Linear Cage Drilled Hole Whisper Trim Cage C C 6 C C NPS DN Regulating Wide Open Regulating Wide Open Regulating Wide Open Regulating Wide Open 1 25 600 632 16 8 17 7 35 7 576 607 16 7 17 6 34 5 2 50 2280 2400 63 3 66 7 36 0 1970 2080 54 7 57 8 36 0 3 80 4630 4880 132 139 35 1 3760 3960 107 113 35 0 4 100 7320 7710 202 213 36 2 6280 6610 180 190 34 8 6 150 12 900 13 600 397 418 32 5 9450 9950 295 310 32 0 8x6 200 x 150 18 480 19 450 578 608 32 0 10 660 11 220 305 321 35 0 12x6 300x150 21 180 22 290 662 697 32 0 11 050 11 630 316 332 35 0 2 1 Line Size to Body Size Piping BODY SIZES Standard Linear Cage Drilled Hole Whisper Trim
11. 4 limit whichever is lower whichever is lower 14A6626X012 Green 60 4 1 3 0 21 2 50 14A6627X012 Blue 125 8 6 5 0 34 14A6628X012 Red l 300 or body rating 20 7 or body rating limit 10 0 69 limit whichever is lower whichever is lower 14A6629X012 Green 60 4 1 4 0 28 3 30 14A6630X012 Blue 125 8 6 6 0 41 14A6631X012 Red l 300 or body rating 20 7 or body rating limit 11 0 76 limit whichever is lower whichever is lower 14A6632X012 Green 60 4 1 5 0 34 4 100 14A6633X012 Blue 125 8 6 8 0 55 14A6634X012 Red 300 or body rating 20 7 or body rating limit 13 0 90 limit whichever is lower whichever is lower 14A9686X012 Green 60 4 1 9 5 0 66 6 150 8x6 200 x 150 14A9685X012 Blue 125 8 6 14 1 0 12x6 300 x 150 15A2615X012 Red l 300 or body rating 20 7 or body rating limit 19 13 limit whichever is lower whichever is lower Table 6 Flow Rate Conversion Gas Flow required to replace or displace Blanketing Gas with Pump Out or Pump In of Liquid MULTIPLY MAXIMUM PUMP RATE IN BY U S GPM 8 021 U S GPH 0 1337 Barrels hour 5 615 Barrels day 0 2340 TO OBTAIN SCFH of air required 1 To obtain Nm h multiply SCFH by 0 0268 3 From Table 10 an NPS 1 DN 25 body size would flow 45 500 SCFH 1219 Nm h of Nitrogen at 60 psig 4 1 bar inlet pressure This would satisfy the desired flow rate of 41 600 SCFH 1115 Nm h of Nitrogen Capacity Information Table 10 gives typical Nitrogen regulating capacities at
12. 5896 444 900 11 923 703 500 18 854 1 239 900 33 229 90 6 2 64 000 1715 243 000 6512 491 900 13 183 777 800 20 845 1 370 800 36 737 100 6 9 70 100 1879 266 000 7129 538 900 14 443 852 100 22 836 1 501 700 40 246 120 8 3 82 300 2206 312 000 8362 632 900 16 962 1 000 600 26 816 1 763 600 47 264 140 9 7 Zor 0 48o0r 94 500 2533 359 000 9621 726 900 19 481 1 149 200 30 799 2 025 400 54 281 160 11 0 less less 107 000 2868 406 000 10 881 820 900 22 000 1 297 800 34 781 2 287 347 61 301 180 12 4 119 000 3189 452 000 12 114 914 800 24 517 1 446 400 38 764 2 549 200 68 319 200 13 8 131 000 3511 490 000 13 132 1 008 800 27 036 1 595 000 42 746 2 811 000 75 335 Installation Ordering Information Install the Type 1190 regulator as shown in Figure 1 so that flow through the main valve body matches the flow arrow cast on the body A downstream control line as shown in Figure 2 is required External dimensions and connections are shown in Figure 3 Please complete the specifications worksheet at the bottom of the Ordering Guide on page 11 Refer to the Specifications section on pages 2 and 3 Carefully review each specification then complete the Ordering Guide on pages 10 and 11 Right side left side mounting is specified pilot mounting will be provided as standard unless Bulletin 74 1 1190 lt Al2 gt
13. Bulletin 74 1 1190 April 2012 Type 1190 Low Pressure Gas Blanketing Regulator W7428 Figure 1 Type 1190 Low Pressure Gas Blanketing Regulator Introduction Features The Type 1190 low pressure gas blanketing regulator Quick Change Trim Package Tested trim is used for extremely accurate pressure control on packages can be made up and stocked ahead of very low pressure blanketing systems The regulator time for fast replacement helps to control emissions and provides protection e In Service Travel Inspection Standard against any contamination from atmospheric conditions by providing a flushing action The Type 1190 gas blanketing regulator maintains a positive vessel pressure thereby reducing the possibility of vessel wall collapse during pump out operations e Easy In Line Maintenance Top entry design reduces maintenance time and manpower requirements trim parts can be inspected cleaned and replaced without removing the main valve body from the pipeline indicator assembly with protective cover permits periodic inspection of plug travel without removing regulators from service A Type 1190 low pressure gas blanketing regulator reduces a high pressure gas such as Nitrogen to maintain a protective environment above any liquid stored in a tank or vessel while the liquid is being pumped out Also when the vessel cools suddenly e Factory Piped Pilot Supply Supply pressure to causing the vapors inside the vessel to co
14. PT Vent Connection on Pilot Spring Case 1 4 NPT Temperature Capabilities Nitrile NBR 20 to 180 F 29 to 82 C Fluorocarbon FKM 40 to 300 F 4 to 149 C Ethylenepropylene EPDM 20 to 275 F 29 to 135 C Perfluoroelastomer FFKM 20 to 300 F 29 to 149 C Approximate Weights NPS 1 DN 25 85 pounds 39 kg NPS 2 DN 50 100 pounds 45 kg NPS 3 DN 80 145 pounds 66 kg NPS 4 DN 100 195 pounds 88 kg NPS 6 DN 150 380 pounds 172 kg NPS 8 x 6 DN 200 x 150 740 pounds 336 kg NPS 12 x 6 DN 300 x 150 1265 pounds 574 kg Construction Materials Type EGR Main Valve Body and Body Flange Cast iron WCC steel standard or CF8M Stainless steel optional Seat Ring and Valve Plug 416 Stainless steel standard or 316 Stainless steel optional Spring Steel standard or Inconel X750 NACE O Rings and Seals Nitrile NBR standard Fluorocarbon FKM Perfluoroelastomer FFKM optional Cage Linear CF8M Stainless steel standard 416 Stainless steel Whisper Trim Cage optional or 316 Stainless steel Whisper Trim Cage NACE Type 1098 Actuator Lower Diaphragm Case Steel standard or Stainless steel Upper Diaphragm Case Steel standard or Stainless steel Bonnet Steel standard or Stainless steel NACE Diaphragm and O Rings Nitrile NBR standard Fluorocarbon FKM or Ethylenepropylene EPDM optional 1 End connections other than U S standard can usu
15. ally be provided consult your local Sales Office 2 The pressure temperature limits in this Bulletin and any applicable standard or code limitation should not be exceeded Inconel is a mark owned by Special Metals Corporation continued Specifications continued Bulletin 74 1 1190 Type Y191A Pilot Body Spring Case and Diaphragm Casing Ductile iron standard or Stainless steel optional Orifice 303 Stainless steel standard or 316 Stainless steel NACE Spring Steel standard Diaphragm Nitrile NBR standard Fluorocarbon FKM or Nitrile NBR with Polytetrafluoroethylene PTFE diaphragm protector optional O Rings Gaskets and Seals Nitrile NBR standard Fluorocarbon FKM Perfluoroelastomer FFKM or Ethylenepropylene EPDM optional Disk Nitrile NBR standard Fluorocarbon FKM or Ethylenepropylene EPDM optional Disk Holder 303 Stainless steel standard or 316 Stainless steel NACE Type 95H Supply Pressure Regulator Body and Spring Case Cast iron standard steel steel NACE and Stainless steel optional Orifice 416 Stainless steel standard or 316 Stainless steel NACE Valve Plug 416 Stainless steel with Nitrile NBR standard 416 Stainless steel with Fluorocarbon FKM or 316 Stainless steel with Neoprene CR NACE Stem Assembly 416 Stainless steel standard or 316 Stainless steel NACE Lower Spring Seat Aluminum Upper Spring Seat Ste
16. d Type 1098 actuator a Type Y191A sensing pilot and a Type 95H supply pressure regulator The Type Y191A pilot uses the high pressure inlet gas reduced by a Type 95H supply pressure regulator as loading pressure to operate the Type 1098 EGR main valve actuator The outlet or vessel pressure is sensed through a control line on the Type 1098 EGR main valve actuator and also on the Type Y191A pilot diaphragm When the liquid level is decreased and vessel pressure decreases below the pilot control spring setting the pilot spring force on the pilot diaphragm opens the pilot valve plug allowing additional loading pressure to the main valve actuator diaphragm The loading pressure opens the main valve plug to supply the required flow of gas to the vessel Table 3 Main Valve Orifice Diameters and Valve Plug Travels Bulletin 74 1 1190 Table 4 Proportional Bands TRAVEL BODY SIZES ORIFICE DIAMETER Restricted Capacity Standard Travel Percent NPS DN Inches mm Inches mm Inches mm 1 25 1 5 16 33 3 4 19 1 30 3 8 9 5 2 50 2 3 8 60 1 1 8 28 6 70 5 8 16 3 80 3 3 8 86 1 1 2 38 1 40 7 8 22 4 100 4 3 8 111 2 50 8 40 1 25 6 8x6 12x6 150 200 x 150 300 x 150 7 3 16 183 OUTLET PRESSURE RANGES Crean Main Valve Spring PROPORTIONAL BAND Blue Main Valve Spring Red Main Valve Spring 60 psig 4 1 bar Maximum Inlet Pressure 125 to 300 psig 8 6 to 20 7 bar Maximum Inlet Pr
17. el Spring Steel Diaphragm Neoprene CR standard or Fluorocarbon FKM optional 1 End connections for other than U S standard can usually be provided consult your local Sales Office 2 The pressure temperature limits in this Bulletin and any applicable standard or code limitation should not be exceeded Table 1 Main Valve Body Sizes and End Connection Styles MAIN VALVE BODY SIZES MAIN VALVE END CONNECTION STYLE NPS DN Cast Iron WCC Steel or CF8M Stainless Steel 1 2 25 50 NPT CL125 FF or CL250 RF flanged CL300 Be CLEOU EE AON EAO flanged 3 4 6 80 100 150 CL125 FF or CL250 RF flanged SLST RE r ne tena 8x6 12x6 200 x 150 300 x 150 ea A PND Table 2 Outlet Pressure Ranges Type Y191A Pilot OUTLET PRESSURE RANGE SPRING SPRING SPRING WIRE DIAMETER SPRING FREE LENGTH Inches w c mbar PART NUMBER COLOR Inches mm Inches mm 0 25 to 2 52 0 6 to 62 1B558527052 Orange 0 072 1 83 3 78 96 0 2 to 7 5 to 17 1B653827052 Red 0 085 2 16 3 63 92 1 5 to 16 12 to 40 1B653927022 Unpainted 0 105 2 67 3 75 95 3 0 5 to 1 2 psig 34 to 83 1B537027052 Yellow 0 114 2 90 4 19 106 1 1 to 2 5 psig 76 to 172 1B537127022 Green 0 156 3 96 4 06 103 2 5 to 4 5 psig 172 mbar to 0 31 bar 1B537227022 Light blue 0 187 4 75 3 94 100 4 5 to 7 0 psig 0 31 to 0 48 bar 1B537327052 Black 0 218 5 54 3 98 101 1 Outlet pressure ranges based on pilot being installed with the spring case pointed do
18. essure Range 60 to 125 psig 4 1 to 8 6 bar Maximum Inlet Pressure Range Inches w c mbar Inches w c mbar Inches w c mbar Inches w c mbar 0 25 to 2 5 0 6 to 6 0 25 0 6 0 5 1 1 2 2to7 5 to 17 0 25 0 6 0 5 1 1 2 5 to 16 12 to 40 0 25 0 6 0 5 1 1 2 0 5 to 1 2 psig 34 to 83 0 05 psig 3 0 10 psig 7 0 15 psig 10 1 1 to 2 5 psig 76 to 172 0 10 psig 7 0 15 psig 10 0 20 psig 14 2 5 to 4 5 psig 172 mbar to 0 31 bar 0 15 psig 10 0 20 psig 14 0 25 psig 17 4 5 to 7 0 psig 0 31 to 0 48 bar 0 20 psig 14 0 25 psig 17 0 30 psig 21 When downstream demand has been satisfied outlet pressure tends to increase slightly acting on the pilot and main valve diaphragms When the outlet pressure exceeds the pilot control spring setting the pilot diaphragm moves to close the pilot valve plug The loading pressure reduces by exhausting downstream through the fixed restriction allowing the main valve spring to close the main valve plug The combination of main valve spring force and main valve plug unbalance provides positive shutoff of the valve plug Sizing Blanketing Systems When sizing a gas blanketing regulator for a low pressure blanketing application you must consider the replacement of blanketing gas required for the liquid loss during pump out of the vessel plus the condensation and contraction of the vessel vapors during atmospheric thermal cooling Using procedures such as those established by the American Petroleum
19. iaphragm Material Select One O Nitrile NBR O Fluorocarbon FKM O Ethylenepropylene EPDM Type 95H Supply Pressure Regulator Body Material Select One O Cast iron O Steel O Stainless steel NACE Spring Case Material Select One O Cast iron O Steel O Stainless steel Valve Plug Material Select One Specification Worksheet O 416 Stainless Steel with Nitrile NBR O 416 Stainless Steel with Fluorocarbon FKM O 316 Stainless Steel with Neoprene CR NACE Application Specifications Tank Size Pump In Rate Pump Out Rate Blanketing Gas Type and Specific Gravity Outlet Pressure Range Select One O 5 to 30 psig 0 34 to 2 1 bar Yellow Pressure Requirements Please Designate Units Diaphragm Material Select One Maximum Inlet Pressure Prax O Neoprene CR Minimum Inlet Pressure Prin O Fluorocarbon FKM Control Pressure Setting P Maximum Flow Qna Accuracy Requirements 0 25 inch w c 0 6 mbar 0 5 inch w c 1 mbar 1 inch w c 2 mbar 2 inches w c 5 mbar Others Other Specifications Regulators Quick Order Guide Is a vapor recovery regulator required C Yes No ee Readily Available for Shipment Special Material Requirements Ductile Iron O Stainless Steel J Other Other Requirements Allow Additional Time for Shipment
20. ndense pilot is supplied from inlet side of the main valve the gas blanketing regulator replaces the condensed body through tubing furnished with the regulator vapors with the blanketing gas to prevent the internal vessel pressure from decreasing In both cases a slight positive vessel pressure prevents outside air moisture and other contaminants from entering the vessel and the possible collapse of the vessel walls 4 EMERSON Process Management D101962X012 Bulletin 74 1 1190 Specifications Body Sizes See Table 1 Maximum Main Valve Inlet Pressures 400 psig 27 6 bar Maximum Operating Inlet Pressures 200 psig 13 8 bar with cast iron construction or 300 psig 20 7 bar with a steel or stainless steel construction Maximum Outlet Casing Pressure 75 psig 5 2 bar Maximum Operating Outlet Pressure to Avoid Internal Part Damage 75 psig 5 2 bar Outlet Pressure Ranges Type Y191A Pilot See Table 2 Main Valve Orifice Diameters and Travels See Table 3 Proportional Bands See Table 4 Maximum and Minimum Differential Pressures See Table 5 Flow Coefficients for Relief Valve Sizing See Table 8 Flow Coefficients for Fixed Restriction C 3 C 11 7 35 Supply Pressure Settings Required for the Type 95H Supply Pressure Regulator See Table 9 Flow Capacities See Table 10 Pressure Registration External Main Valve Flow Characteristic Linear Control Line Connection 3 4 N
21. wn 2 Do not use Fluorocarbon FKM diaphragm with this spring at diaphragm temperatures lower than 60 F 16 C Bulletin 74 1 1190 TYPE 95H SUPPLY REGULATOR ft SETPOINT ADJUSTMENT B2328_3 INLET PRESSURE OUTLET PRESSURE LOADING PRESSURE SSG PILOT SUPPLY PRESSURE E ATMOSPHERIC PRESSURE Figure 2 Operational Schematic Principle of Operation The Type 1190 gas blanketing regulator reduces a high pressure inert gas to maintain a positive low pressure of blanket gas over a stored liquid while liquid is being pumped out of the tank Also when the tank suddenly cools causing tank vapors to condense the Type 1190 regulator replaces the condensing vapors with an inert gas to prevent the internal tank pressure from decreasing In both cases a positive tank pressure prevents outside air from entering the vessel preventing contamination and reducing the possibility of atmospheric pressure collapsing the vessel The Type 1190 regulator is pilot operated It responds to slight decreases in internal tank pressure by throttling open to increase the flow rate of inert gas into the vessel When the vessel s liquid level has been lowered to the desired point and the vapor pressure re established the Type 1190 regulator throttles closed FIXED RESTRICTION DOWNSTREAM BLEED LINE The Type 1190 regulator utilizes a Type 1098 EGR main valve actuator Type EGR main valve an
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