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Emerson 66 Series Direct-Operated Regulators and Vacuum Service Equipment Data Sheet

1. 66 SERIES VACUUM BREAKER y SET TO OPEN AT 1 1 INCH W C 2 70 mbar VACUUM CONTROL LINES EN FILTER FILTERS TO EXHAUST HEADER AT 0 TO 5 PSIG GLov Love 9 INCHES W C 0 to 0 34 bar PORT PORT 22 mbar AIR OR INERT GAS VACUUM SUPPLY PRESSURE HOOD PRESSURE TO BE KEPT AT 1 INCH W C 2 50 mbar VACUUM BJ9005 B A2558 IL Figure 10 66 Series Vacuum Breaker and Regulator Installation in Hood Control System 13 Bulletin 71 1 66 lt c z A VENT CONNECTION E CONTROL LINE CONNECTION WHEN USED STANDARD ON CONTROL LINE CONNECTION VACUUM BREAKER FOR VACUUM REGULATOR BOTTOM FLANGE LINE CONNECTION TREF STANDARD ON VACUUM A2572 1 IL REGULATOR OR BREAKER A E G NOMINAL CL125 FF Type 66ZZ or BODY NPT Cast NPT Cast Iron or CL300 RF Type 66 66 Series Vacuum NPT All Others SIZE Iron Body Steel Body CL150 RF Steel Body or 66Z Regulator Steel Body INCH DN Steel Body or Breaker Inch mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch mm 2 50 7 25 184 9 25 235 10 00 254 10 50 267 13 88 353 15 00 381 21 38 543 3 31 84 1 3 25 82 6 3 80 11 75 298 16 00 406 17 62 448 24 00 610 4 62 117 4 100 13 88 353 18 00 457 21 25 540
2. 673 622 De D2 De De De B2 B BQ 4 to 8 Pre 6125 12250 16750 18000 23200 30000 36100 31000 10 to 20 6 0 15 Kaka 164 328 449 482 622 804 967 831 1D893127012 2 to 3 DO De De De De B2 Be B2 8250 12900 18000 23200 33500 37400 46400 9 0 22 Sa 221 346 482 622 898 1002 1244 Arean De De De DB D2 D2 D2 O 8400 14200 20600 28400 36750 46400 1D892827032 Ae 3 12 30 1 1 4 to 1 7 8 a este 225 381 552 761 985 1244 80 3 to 5 De De D2 De De De 10 to 17 7750 18000 23200 36100 49000 25 to 42 16 40 aha bet ee 208 482 622 967 1313 1D893227032 De De De D2 De 12900 20600 32200 46400 20 50 dala asah piia seig 346 552 863 1244 De De D2 pe 14 to 28 ae 11600 19300 25800 46400 33 10 19 24 60 5t07 grana Sees ae 311 517 691 1244 1D893327032 De De De De 23200 46400 28 70 dita Baen eed ee T sea 622 1244 De De 1 See Capacity Information section for conversion to other gases and or nomal cubic meters per hour 2 Values based on D droop or B boost continued Bulletin 71 1 66 Table 4 Selected Type 66 Regulating Capacities in SCFH NmS h of 0 6 Specific Gravity Natural Gas 1 continued Bopy SPRING RANGE OUTLET P
3. D2 14to 28 2103 41 300 61800 77500 35 to 70 24 60 5 to 7 Sss sa Sasis S225 ses 1107 1656 2077 1D893627032 D 2 D2 D2 58000 77500 28 70 sss 2525 Sasa i225 see z368 1554 2077 D2 D2 1 See Capacity Information section for conversion to other gases and or nomal cubic meters per hour 2 Values based on D droop or B boost Table 5 Selected Type 66Z Regulating Capacities in SCFH Nm3 h of 0 6 Specific Gravity Natural Gas 2 INCHES W C 5 mbar OUTLET INLET PRESSURE SETTING PRESSURE 2 inch 3 inch 4 inch DN 50 Body DN 80 Body DN 100 Body 3 inches w c 7 mbar 1930 51 7 3870 104 7750 208 4 inches w c 10 mbar 2320 62 2 5160 138 9000 241 8 inches w c 20 mbar 4900 131 9000 241 15 500 415 14 inches w c 35 mbar 6700 180 12 900 346 23 200 622 1 psig 0 07 bar 10 000 268 21 300 571 36 100 967 2 psig 0 14 bar 9150 245 26 400 708 36 100 967 3 psig 0 21 bar 8500 228 33 500 898 50 000 1340 5 psig 0 34 bar 8500 228 36 100 967 50 000 1340 1 See Capacity Information section for conversion to equivalent capacities of other gases and or normal cubic meters per hour 10 BE2403 BE2404 BE2405 A2567 IL 5 PSIG 0 34 bar o o 3 PSIG 0 21 b N 8 INCHES W C 0 5 PSIG 1 PSIG 2 PSIG 20 mbar 0 03 bar 0 07 bar 0 14 bar OUTLET PRESSURE INCHES W C A o 2 4 6 8 10 12 14 16 0 0 05 0 11 0 16 0
4. RETAINER O RING W0037 1 IL STANDARD TYPE 66 REGULATOR WITH INTERNAL REGISTRATION CONTROL SPRING COUNTER SPRING W0036 1 IL STANDARD TYPE 66Z REGULATOR WITH INTERNAL REGISTRATION Figure 2 Types 66 66Z and 66ZZ Construction Details Available Configurations Constructions come standard with cast iron bodies and pitot tube style internal registration that eliminates the need for control line piping Steel body regulators also are available and come standard with a tapped connection boss on the diaphragm case for external registration that requires a separate control line Vacuum regulators and breakers in this series come standard with a tapped connection boss on the diaphragm case for external registration that requires a separate control line The vacuum regulators are used to prevent a decrease in vacuum increase in absolute pressure A decrease in the controlled vacuum opens the regulator allowing higher vacuum at the outlet to restore the controlled vacuum to setpoint PLUG FOR BLOCKING INTERNAL REGISTRATION TAPPED BOSS FOR CONNECTING EXTERNAL CONTROL LINE W0037 1 IL DETAIL OF EXTERNAL REGISTRATION CONSTRUCTION SPRING RETAINER PSS kan CASE EXTENSION SPRING CASE COUPLING WO041 1 IL STANDARD TYPE 66ZZ REGULATOR WITH INTERNAL REGISTRATION The vacuum breakers are used in applications where a vacuum must be limited An increase in vacuum decrease in absolute
5. Tj w c J 0 07 bar 0 4 8 12 16 20 24 28 32 36 40 44 48 0 0 11 0 21 0 32 0 43 0 54 0 64 0 75 0 86 0 97 1 07 1 18 1 29 OUTLET PRESSURE mbar 0 0 OUTLET PRESSURE INCHES W C FLOW RATE IN THOUSAND SCFH Nm3 h OF 0 6 SPECIFIC GRAVITY NATURAL GAS 4 INCH DN 100 BODY NOTE SEE CAPACITY INFORMATION SECTION FOR CONVERSION TO EQUIVALENT CAPACITIES OF OTHER GASES AND OR NORMAL CUBIC METERS PER HOUR EACH CURVE REPRESENTS A DIFFERENT INLET PRESSURE AS MARKED ALL MEASUREMENTS MADE AT 2 INCHES W C 5 mbar OUTLET PRESSURE SETTING AND TAKEN AT OUTLET END OF REGULATOR IN PIPE SWAGED UP 12 PIPE DIAMETERS FROM REGULATOR OUTLET AS FOLLOWS 2 INCH DN 50 BODY IN 2 INCHES 50 8 mm OUTLET PIPE SWAGED UP TO 4 INCHES 102 mm 3 INCH DN 80 BODY IN 3 INCHES 76 2 mm OUTLET PIPE SWAGED UP TO 8 INCHES 203 mm 4 INCH DN 100 BODY IN 4 INCHES 102 mm OUTLET PIPE SWAGED UP TO 8 INCHES 203 mm BJ9214 A BJ9211 A BJ9213 A A2569 IL Figure 6 Typical Performance Curves for Standard Type 66Z Regulator with Internal Registration 12 INLET PRESSURE INCHES W C VACUUM BJ9126 A A2571 1L Bulletin 71 1 66 INLET PRESSURE mbar VACUUM 0 12 24 36 48 60 72 84 96 108 120 132 144 0 0 32 0 64 0 97 1 29 1 61 1 93 2 25 2 57 2 89 3 22 3 54 3 86 FLOW RATE IN HUNDREDS OF SCFH Nm3 h OF AIR NOTE FLOWS ARE IN SC
6. 27 63 702 5 38 137 1 Dimension also is same for 2 inch DN 50 CL150 FF steel body Figure 11 Dimensions Ordering Information 4 Range of flow rates minimum controlled When ordering specify maximum normal 5 Piping size s Application Construction 1 Composition and specific gravity of gas including chemical analysis if possible 2 Range of temperatures flowing inlet pressures maximum minimum nominal and pressure drops 3 Desired outlet control pressure setting or range Refer to the Specifications section on page 2 and to each referenced table specify the desired selection whenever there is a choice to be made Always be sure to specify the regulator type number 14 Ordering Guide Body Body Size and End Connection Styles Select One Cast Iron Body Select One O 2 inch NPT O 2 inch DN 50 CL125 FF O 3 inch DN 80 CL125 FF O 4 inch DN 100 CL125 FF Steel Body External Pressure Registration Only O 2 inch NPT O 2 inch DN 50 CL150 FF O 2 inch DN 50 CL150 RF O 2 inch DN 50 CL300 RF O 3 inch DN 80 CL150 RF O 4 inch DN 100 CL150 RF Outlet Control Pressure Range 66 Series Pressure Reducing Regulators Type 66 O 2 to 5 inches w c 5 to 12 mbar 4 to 8 inches w c 10 to 20 mbar 4 to 11 inches w c 10 to 27 mbar 7 to 12 inches w c 17 to 30 mbar 8 to 28 inches w c 20 to 70 mbar 10 to 17 inches w c 25 to 42 mbar 14 to 28 inches
7. 74 to 2 1E937227012 White Stripe 11 06 281 0 112 2 85 regulators 2 to 6 5 to 15 1K418127012 Yellow Stripe 11 50 292 0 162 4 12 or breakers 0 to 1 5 0to4 1J823827012 Brown Stripe 11 56 294 0 135 3 43 1 1 psig 0 07 bar minimum differential pressure required with this range 2 Heavy head construction reguired 3 Extra heavy head construction reguired Table 2 Flow Coefficients OUTLET REGULATING Cy REGULATING C WIDE OPEN Cy WIDE OPEN C PRESSURE DROOP RANGE PSIG bar 2 inch 3 inch 4 inch 2 inch 3 inch 4 inch 2 inch 3 inch 4 inch 2 inch 3 inch 4 inch C PSIG bar DN 50 DN 80 DN 100 DN 50 DN 80 DN100 DN 50 DN 80 DN100 DN 50 DN 80 DN 100 0 75 to 1 5 0 2 0 01 765 1865 3330 21 9 53 3 95 1 0 05 to 0 10 0 3 0 02 1150 2800 5000 32 9 80 143 1to2 0 3 0 02 825 1650 3150 23 6 47 1 90 0 07 to 0 14 0 4 0 03 1100 2200 4200 31 4 62 9 120 1 5 to3 0 4 0 03 665 1165 2500 19 33 3 71 4 1260 150 35 0 10 to 0 21 0 6 0 04 1000 1750 3750 28 6 50 107 3t05 0 6 0 04 540 725 15 4 20 7 0 21 to 0 34 0 8 0 06 720 970 20 6 27 7 1 0 0 07 900 1210 25 7 34 6 Table 3 IEC Sizing Coefficients BODY SIZE INCH DN Xr Fp FL an T a S 3 80 0 775 0 34 0 89 4 100 0 30 Bulletin 71 1 66 ADJUSTING SCREW BALANCING DIAPHRAGM Pa PITOT Td O RING TUBE
8. 763 241 3238 Europe Selmsdorf Germany 23923 Tel 49 0 38823 31 0 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 Inc 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 S EMERSON Emerson Process Management Regulator Technologies Inc 1971 2008 All Rights Reserved P rocess Ma na gement
9. INFORMATION CONSTRUCTION Inches w c Unless 3 inch DN 80 Body Otherwise mbar Free Length Wire Diameter Designated Part Number Color Code inches imm Inches mm 4 to 110 10 to 271 1D479927032 Yellow Stripe 6 00 152 0 162 4 12 8 to 2811 20 to 700 1D527327022 White Stripe 6 00 152 0 207 5 26 2to5 5 to 12 1D893027022 Brown Stripe 6 12 155 0 112 2 85 4to8 10 to 20 1D893127012 Unpainted 7 12 181 0 125 3 18 7 to 12 17 to 30 1D892827032 Orange Stripe 7 75 197 0 148 3 76 Type 66 10 to 17 25 to 42 1D893227032 White Stripe 7 50 191 0 156 3 96 14to28 35 to 70 1D893327032 Green Stripe 7 25 184 0 182 4 62 0 75 to 1 5 psig 0 05 to0 10 bar 1D765827032 2 Unpainted 6 00 152 0 225 5 72 1 to 2 psig 0 07 to0 14 bar 1D962627032 2 Unpainted 6 25 159 0 262 6 66 1 5 to 3 psig 0 10 to 0 21 bar 1 204427032 2 White and Red Stripe 6 38 162 0 306 7 77 3 to 5 psig 0 21 to 0 34 bar 1N506527142 3 Brown and Purple Stripe 6 38 162 0 362 9 20 Type 66Z 1to2 2t05 1D893027022 Brown Stripe 6 12 155 0 112 2 85 Type 66ZZ 0 25 to 0 25 0 62 to 0 62 16991527012 Purple Stripe 8 62 219 0 100 2 54 ei cee Oto 2 0 to 5 13196627012 Gray Stripe 5 62 143 0 114 2 90 9 2 to 6 5 to 15 1K384427012 Pink Stripe 5 62 143 0 120 3 05 or breakers 1 1 psig 0 07 bar minimum differential pressure required with this range 2 Heavy head construc ion requir
10. main diaphragm causes the regulator main spring and valve plug and stem assembly to open the regulator orifice and to supply more gas to the downstream system When decreased downstream demand raises the outlet pressure the higher pressure under the main diaphragm opposes the regulator main spring causing the valve plug and stem assembly to close the regulator orifice and to supply less gas to the downstream system The Types 66Z and 66ZZ regulators are identical to the Type 66 regulator in operation but different in construction The Type 66Z regulator has a counter spring under the valve plug and disk assembly which counters the main spring force to allow settings below atmospheric pressures The Type 66ZZ regulator has a longer spring case where the main spring a low rate tension spring is stretched between the adjusting screw and the valve plug stem also providing below atmospheric settings and more sensitive pressure regulation than the Types 66 and 66Z regulators Bulletin 71 1 66 Installation A 66 Series regulator or breaker should be installed horizontally with the diaphragm casings vertical above the body Other orientations will change the setpoint and outlet pressure range due to the weight of the internal parts Typical installations are shown in Figures 8 through 10 To obtain the maximum flow capacities in some instances outlet piping will have to be swaged up above the body sizes Connection locations and
11. pressure opens the breaker allowing atmospheric pressure or lower vacuum to restore the controlled vacuum to setpoint Types 66 and 66ZZ regulators both use a single control spring but the Type 66ZZ regulator s spring has a low rate of tension and can be stretched between the adjusting screw and valve plug stem to enable outlet settings slightly below atmospheric pressure and even more sensitive regulation than is available with the Type 66 regulator The Type 66Z regulator uses an additional spring under the valve plug and disk assembly to counter the control spring effect and balance the weight of the internal parts thus permitting below atmospheric settings with a more compact construction than is available with the Type 66ZZ regulator Bulletin 71 1 66 CONTROL SPRING DIAPHRAGM b VALVE STEM Y EXTERNAL CONTROL LINE VALVE SKIRT SEAT RING A6550 Es INLET PRESSURE DIII OUTLET PRESSURE ATMOSPHERIC PRESSURE uy Figure 3 Standard Steel Body Operational Schematic Principle of Operation In the cast iron Type 66 regulator a pitot tube senses outlet pressure In a steel Type 66 regulator an external control line senses outlet pressure Both pressure sensing methods register the outlet pressure under the main diaphragm When increased downstream demand lowers the outlet pressure the lower pressure under the
12. w c 35 to 70 mbar 0 75 to 1 5 psig 52 to 103 mbar 1 to 2 psig 69 to 138 mbar 1 5 to 3 psig 103 to 207 mbar 3 to 5 psig 207 to 345 mbar not available for 4 inch DN 100 body ID DD BG ID BD DG BA HD go Regulators Quick Order Guide ae Standard Readily Available for Shipment Non Standard Allow Additional Time for Shipment Special Order Constructed from Non Stocked Parts Consult your local Sales Office for Availability Bulletin 71 1 66 Type 66Z O 1 to 2 inches w c 2 to 5 mbar Type 66ZZ O 0 25 to 0 25 inches w c 0 62 to 0 62 mbar 66 Series Vacuum Regulator or Breakers O 0 to 1 5 inches w c 0 to 4 mbar not available for 2 and 3 inch DN 50 and 80 body size O 0 to 2 inches w c 0 to 5 mbar O 0 2 to 0 8 inches w c 0 74 to 2 mbar not available for 3 inch DN 80 body size O 2 to 6 inches w c 0 5 to 15 mbar Trim Material Select One O Brass O 316 Stainless steel Pressure Registration Select One O Internal cast iron standard O External required for steel optional for cast iron Replacement Parts Kit Optional O Yes send one replacement parts kit to match this order Specification Worksheet Application Specific Use Line Size Gas Type and Specific Gravity Gas Temperature Does the Application Require Overpressure Protection Yes No If yes which is preferred Relief Valve Monitor Regulator Shutoff Device Is overpressur
13. 000 9300 9150 8500 8500 2 0 5 131 180 221 268 249 245 228 228 a z 1 2 to 3 4 De D2 De D2 BQ B2 BQ BQ O PE E 1 to 2 3900 6200 7850 9550 11750 10800 10800 10300 4 0 10 105 166 210 256 315 289 289 276 De D2 De De BO B BQ BQ 4to8 aie 2840 5800 7600 9550 12100 13500 10800 10300 10 to 20 6 0 15 Sega 76 1 155 204 256 324 362 289 276 1D892627022 es D De De De De BO Be B2 3200 6450 8700 11100 13400 15100 13400 9 0 22 85 8 173 233 297 359 405 359 TA D2 De De D2 BO BQ B2 O 5 IDB9272 7013 ETT 4500 6450 10600 13300 15500 13900 50 12 30 aie maha wear 121 173 284 356 415 373 De De De D2 D2 BO 10 to 17 4650 9000 12900 16750 16450 25 to 42 16 40 Saha wean ame 125 241 346 449 441 1D892827032 De De De De B2 8400 12250 16100 18000 20 50 athe anes wake sha 225 328 431 482 De De D2 BO 14 to 28 Er 7750 11600 15500 20000 35 to 70 24 60 on Joss sees sed sasa 208 311 415 536 1D892927032 De De De B2 12900 20000 28 70 Sasa ee T ee ee Igas 846 536 De B2 9000 12900 15500 21300 26400 29600 25100 23200 2 0 5 241 346 415 571 708 793 673 622 a o 1 2 to 3 4 De D 2 De D2 D2 B2 BQ BQ O PE eE 1 to 2 8700 12900 15500 21300 26400 29600 25100 23200 4 0 10 233 346 415 571 708 793
14. 21 0 27 0 32 0 38 0 43 FLOW RATE IN THOUSAND SCFH Nm3 h OF 0 6 SPECIFIC GRAVITY NATURAL GAS 2 INCH DN 50 BODY 5 PSIG 0 34 bar 2 PSIG OUTLET PRESSURE INCHES W C 0 14 bar 8 INCHES W C 20 mbar 0 5 PSIG 1 PSIG 0 03 bar 0 07 bar 0 4 8 12 16 20 24 28 32 0 0 11 0 21 0 32 0 43 0 54 0 64 0 75 0 86 FLOW RATE IN THOUSAND SCFH Nm3 h OF 0 6 SPECIFIC GRAVITY NATURAL GAS 3 INCH DN 80 BODY 5 PSIG 0 34 bar 10 g 8 N W p 9 6 W A 2 PSIG 2 0 14 bar W 8 INCHES W C x 2 20 mbar 0 5 PSIG 1 PSIG E 0 03 bar 0 07 bar E o 5 0 8 16 24 32 40 48 56 64 Q 0 0 21 0 43 0 64 0 86 1 07 1 29 1 50 1 72 FLOW RATE IN THOUSAND SCFH Nm3 h OF 0 6 SPECIFIC GRAVITY NATURAL GAS 4 INCH DN 100 BODY NOTE pitt eT EL AK Bulletin 71 1 66 5 0 A E K 5 5 ar n N Fa 0 a E W l E 2 18 0 48 5 0 8 E id 5 g5 3 N W 3 PSIG 0 pe 0 21 bar W l E 36 0 97 A 2 E wW x 2 wn N 3 PSIG w 0 21 bar a E W l E 2 72 1 93 SEE CAPACITY INFORMATION SECTION FOR CONVERSION TO EQUIVALENT CAPACITIES OF OTHER GASES AND OR NORMAL CUBIC METERS PER HOUR EACH CURVE REPRESENTS A DIFFERENT INLET PRESSU RE AS MARKED ALL MEASUREMENTS MADE AT 6 INCHES W C 15 mbar OUTLET PRESSURE SETTING AND TAKEN AT OUTLET END OF REGULATOR IN PIPE SWAGED UP 12 PIPE DIAMETERS FROM REGU
15. 66 Series Vacuum Regulator 6 inches w c or 0 4 inch of mercury 15 mbar differential vacuum Outlet Control Pressure Ranges See Tables 1A to 1C Maximum Allowable Outlet Pressures 1 Emergency Outlet Casing Pressure Type 66 66Z or 66ZZ 8 psig 0 55 bar positive pressure 66 Series Vacuum Regulator 14 7 psi or 29 9 inches of mercury 1 01 bar differential vacuum 66 Series Vacuum Breakers 8 psi or 16 3 inches of mercury 0 55 bar differential vacuum Maximum Safe Pressure to Avoid Internal Parts Damage Type 66 66Z or 66ZZ 1 psig 0 07 bar differential above outlet pressure setting 66 Series Vacuum Regulator no more than 1 psig 0 07 bar differential change from spring setting Maximum Operating Pressure Recommended for Good Performance 66 Series Vacuum Regulators or Breakers Only Vacuum Regulators 10 psig or 20 4 inches of mercury 0 69 bar differential vacuum Vacuum Breakers 6 inches w c or 0 4 inch of mercury 15 mbar differential vacuum Typical Flow Capacities and Performance Curves Type 66 See Table 4 Figure 5 and Capacity Information section Type 66Z See Table 5 Figure 6 and Capacity Information section 66 Series Vacuum Regulators See Figure 7 and Capacity Information section Types 66ZZ and 66 Series Vacuum Breakers Consult your local Sales Office Flow and Sizing Coefficients See Tables 2 and 3 Construction Materials Body Body Plug and Bottom Flange P
16. Adjustable travel stops for 2 inch DN 50 and 4 inch DN 100 cast iron Type 66 e All metal seats 1 The pressure temperature limits in this Bulletin and any applicable standard or code limitation for valve should not be exceeded e Severe Service Capability Fluorocarbon FKM Ethylenepropylene EPDM and Polytetrafluoroethylene PTFE O rings and stainless steel metal trim parts are available for high temperatures and or corrosive flowing media Optional all metal seats eliminate O ring seat erosion problems with coke gas or other corrosive applications Metal valve plug also has knife edged guides on the valve plug skirts to help prevent particle accumulation with dirty service e Positive Guiding Valve plug coupling on 66 Series vacuum regulators and breakers prevent incorrect seating due to cocking or improper guiding of valve plug assembly Sour Gas Service Capability Optional materials are available for applications handling sour gases These constructions comply with the recommendations of NACE International Standards MR0175 and MR0103 Bulletin 71 1 66 Table 1A Outlet Control Pressure Ranges 2 inch DN 50 Body OUTLET CONTROL PRESSURE RANGE CONTROL SPRING INFORMATION CONSTRUCTION Inches w c Unless 2 inch DN 50 Body Otherwise mbar Free Length Wire Diameter Designated Part Number Color Code Inches imm Inches mm 4 to 110 10 to 270 0B019727052 Pu
17. Bulletin 71 1 66 November 2008 66 Series Direct Operated Regulators and Vacuum Service Eguipment W1935 IL Figure 1 Exterior of Type 66 or 66Z Regulator Introduction Fisher 66 Series direct operated pressure reducing regulators are widely used in burner control tank blanketing systems and other applications where precise control of low pressure industrial gases is needed while 66 Series direct operated vacuum service equipment comes in both vacuum regulator and vacuum breaker constructions These products differ in pressure capabilities and construction Figures 1 through 4 Features e Sensitive Response to Pressure Changes Minimum lockup at high as well as low inlet pressures is provided on all regulators by a balancing diaphragm that reduces unbalanced forces acting on valve plug e Seat Protection without Sacrifice in Shutoff Capability Retainer Figure 2 of standard Type 66 66Z or 66ZZ valve plug assembly www emersonprocess com regulators closes against the orifice before assembly can over travel and thus over compress O ring Tank Blanketing Capability Maximum sensitivity and low outlet pressure accuracy make this an ideal regulator for tank blanketing padding applications Accuracy Pitot tube of Type 66 66Z or 66ZZ standard cast iron regulator registers body outlet pressure from point of highest velocity creating a dynamic boost Figure 5 or 6 that helps provide a more nearly consta
18. FH AT 60 F AND 14 7 PSIA AND IN THOUSANDS OF Nm h AT 0 C AND 1 01325 bar OF AIR FOR EQUIVALENT FLOWS OF OTHER GASES DIVIDE BY THE SQUARE ROOT OF THE APPROPRIATE SPECIFIC GRAVITY THEN IF CAPACITY IS DESIRED IN NORMAL CUBIC METERS PER HOUR Nm3 h AT 0 C AND 1 01325 bar ABSOLUTE MULTIPLY SCFH BY 0 0268 EACH CURVE REPRESENTS SETTING POINT OF 1 INCH W C 2 50 mbar VACUUM MADE AT 8 INCHES W C 20 mbar VACUUM OUTLET PRESSURE AND 300 SCFH 8 04 Nm3 h AIR FLOW Figure 7 Typical 66 Series Vacuum Regulator Capacity Performance Curves FAN GAS BLOCK BLOCK VALVE VALVE 0 TO 5 PSIG GLOVE GLOV 9 INCHES W C 0 to 0 34 bar PORT PORT 22 mbar f AIR OR INERT GAS VACUUM VACUUM REGULATOR SET TO OPEN AT 1 0 INCH W C 2 50 mbar VACUUM AIR CONTROL VALVE TYPE 66ZZ REGULATOR SET TO OPEN AT 0 25 INCH W C 2 inn 0 62 mbar VACUUM TT ti OPTIONAL PRESSURE 4 CONTROL LINES LOADING LINE tt ran lt p i 5 J WAN q FILTER ZZ ry FILTERS U TO EXHAUST HEADER AT AD6808 A2496 1 IL Figure 8 HOOD PRESSURE TO BE KEPT AT 0 23 INCH W C 0 60 mbar VACUUM PI MIXER SUPPLY PRESSURE BJ9005 B A2494 2 IL Type 66Z Regulator Installation in Furnace Mixing System Figure 9 Type 66ZZ Regulator Installation in Hood Control System 66 SERIES VACUUM BREAKER SET TO OPEN AT 1 0 INCH W C 2 50 mbar VACUUM
19. LATOR OUTLET AS FOLLOWS 2 INCH DN 50 BODY IN 2 INCHES 50 8 mm OUTLET PIPE SWAGED UP TO 4 NCHES 102 mm 3 INCH DN 80 BODY IN 3 INCHES 76 2 mm OUTLET PIPE SWAGED UP TO 8 INCHES 203 mm 4 INCH DN 100 BODY IN 4 INCHES 102 mm OUTLET PIPE SWAGED UP TO 8 INCHES 203 mm Figure 5 Typical Performance Curves for Standard Type 66 Regulator with Internal Registration 11 Bulletin 71 1 66 _ 4 10 aa Ss f INCHES WC 8 INCHES W C 1 PSIG 2 9 3 10 mbar 20 mbar 0 07 bar in I x SONE 2 Z 2 Ww w x x 5 a 2 Pa Manny we m C 35 mb 4 g Imba 7 Hua 5 Hri 0 1 0 g 0 1 2 3 4 5 6 7 8 9 10 11 3 0 0 03 0 05 0 08 0 11 0 13 0 16 0 19 0 21 0 24 0 27 0 30 FLOW RATE IN THOUSAND SCFH Nm3 h OF 0 6 SPECIFIC GRAVITY NATURAL GAS 2 INCH DN 50 BODY _ 4 10 3 5 4 INCHES W C 8 INCHES W C 2 n 3 4 hm 10 mbar 20 mbar 14 INCHES W C w 5 35 mbar 2 z 2 45 N W y x E N a 2 1 Psie ti o 3 INCHES we f a ne 7 mbar N 0 07 bar 5 0 0 4 0 2 4 6 8 10 12 14 16 18 20 2 24 26 5 0 0 05 0 11 0 16 0 21 0 27 0 32 0 38 0 43 0 48 0 54 0 59 0 64 0 70 FLOW RATE IN THOUSAND SCFH Nm h OF 0 6 SPECIFIC GRAVITY NATURAL GAS 3 INCH DN 80 BODY 4 10 4 INCHES W C 8 INCHES W C 14 INCHES W C 10 mbar ar 1 PSIG 7
20. ROPORTIONAL INLET PRESSURE SCFH Nm3 h SIZE AND PART PRESSURE BAND 5 to 10 INCH NUMBER SETTING FROM SETPOINT 0 3 psig 0 5 psig 0 75 psig 1 0 psig 1 5 psig 2 0 psig 3 0 psig psig DN INCHES W C INCHES W C INCHES W C 0 02 bar 0 03 bar 0 05 bar 0 07 bar 0 10 bar 0 14 bar 0 21 bar 0 34 to mbar mbar mbar 0 69 bar 15500 23200 28 400 36 100 36 100 36 100 36100 36100 2 0 5 415 622 761 967 967 967 967 967 ee A 1 2 to 3 4 De De B2 B2 Be Be Be Be O 1D892627022 1 to 2 15500 23200 28 400 36 100 36 100 36 100 36100 36100 4 0 10 415 622 761 967 967 967 967 967 D 2 D2 B2 B2 B 2 B 2 B 2 B 2 4to8 24 to 1 4 8 11 600 18 000 24 500 34 800 38 700 43 800 43000 43800 10 to 20 6 0 15 2t03 311 482 657 933 1037 1174 1152 1174 1D893427022 2 t63 D 2 D2 D 2 D 2 B 2 B 2 B 2 B2 12 900 20 600 33500 41 300 51 500 51500 51500 9 0 22 seie 346 552 898 1107 1380 1380 1380 i a a De D2 D2 DO BQ BQ BQ O 4 1D893227032 AIA to 1 7 8 12 900 22 600 38 700 51 500 58000 56700 100 12 30 3 to 5 Ssss ssis 346 606 1037 1380 1554 1520 D 2 D 2 D 2 D 2 D 2 D 2 10 to 17 20 600 36 100 51 500 64500 61800 25 to 42 16 40 eet sedi pece 552 967 1380 1729 1656 1D893527032 D 2 D2 D 2 D2 D2 27 000 46 400 61800 71000 20 50 este sasa ea sas 724 1244 1656 1903 D2 D 2 D2
21. dimensions are both shown in Figure 11 Overpressure Protection 66 Series pressure reducing regulators vacuum regulators and vacuum breakers have different inlet and outlet pressure ratings Complete downstream overpressure protection is needed whenever the maximum allowable inlet pressure can exceed the outlet pressure rating and upstream protection for a 66 Series vacuum regulator additionally is needed if there is any chance of a vacuum greater than 8 psi or 16 3 inches of mercury 0 55 bar differential occurring at the inlet of this kind of regulator Overpressuring any portion of a regulator breaker or associated eguipment may cause leakage part damage or personal injury due to bursting of pressure containing parts explosion of accumulated gas or implosion due to excessive vacuum Regulator or breaker operation within ratings does not preclude the possibility of damage from external sources or from debris in the pipeline A regulator or breaker should be inspected for damage periodically and after any overpressure condition Capacity Information Table 4 gives Type 66 and Table 5 gives Type 66Z natural gas regulating capacities at selected inlet pressures and outlet pressure settings Flows are in SCFH at 60 F and 14 7 psia and in Nm h at 0 C and 1 01325 bar of 0 6 specific gravity natural gas To determine eguivalent capacities for air propane butane or nitrogen multiply Table 4 or 5 capacity by the fol
22. e protection equipment selection assistance desired Pressure Maximum Inlet Pressure P max Minimum Inlet Pressure P4min Downstream Pressure Setting s P Maximum Flow Qmax Performance Required Accuracy Requirements Need for Extremely Fast Response Other Requirements Availability of the product being ordered is determined by the component with the longest shipping time for the requested construction Bulletin 71 1 66 Industrial Regulators Emerson Process Management Regulator Technologies Inc USA Headguarters McKinney Texas 75069 1872 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Shanghai China 201206 Tel 86 21 2892 9000 Europe Bologna Italy 40013 Tel 39 051 4190611 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 Singapore 128461 Tel 65 6777 8211 Europe Bologna Italy 40013 Tel 39 051 4190611 Gallardon France 28320 Tel 33 0 2 37 33 47 00 For further information visit www emersonprocess com regulators TESCOM Emerson Process Management Tescom Corporation USA Headquarters Elk River Minnesota 55330 2445 USA Tel 1
23. ed 3 Extra heavy head construction required Bulletin 71 1 66 Table 1C Outlet Control Pressure Ranges 4 inch DN 100 Body OUTLET CONTROL PRESSURE RANGE CONTROL SPRING INFORMATION CONSTRUCTION Inches w c Unless 4 inch DN 100 Body Otherwise mbar Free Length Wire Diameter Designated Part Number Color Code Inches tam Inches mm 4 to 110 10 to 27 1 1D527527022 Gray Stripe 7 75 197 0 170 4 32 8 to 28 1 20 to 70 1 1D527627032 Gray and White Stripe 7 75 197 0 225 5 72 2to5 5 to 12 1D892627022 Red Stripe 7 53 191 0 112 2 85 4to8 10 to 20 1D893427022 Green Stripe 7 75 197 0 135 3 43 7 to 12 17 to 30 1D893227032 White Stripe 7 50 191 0 156 3 96 Type 66 10 to 17 25 to 42 1D893527032 Yellow Stripe 7 75 197 0 170 4 32 14 to 28 35 to 70 1D893627032 Light Blue Stripe 7 81 198 0 207 5 26 0 75 to 1 5 psig 0 05 to 0 10 bar 1D771227032 2 Pink and Blue Stripe 7 75 197 0 262 6 66 1 to 2 psig 0 07 to 0 14 bar 1D771327032 2 Silver Stripe 7 75 197 0 283 7 19 1 5 to 3 psig 0 10 to 0 21 bar 1E204527032 9 Pink Stripe 7 53 191 0 331 8 41 3 to 5 psig 0 21 to 0 34 bar Sss ERES is Type 66Z 1 to 2 2to 5 1D892627022 Red Stripe 7 53 191 0 112 2 85 Type 66ZZ 0 25 to 0 25 0 62 to 0 62 1E937227012 White Stripe 11 06 281 0 112 2 85 66 Series 0 to 2 0 to 5 1J196727012 Black Stripe 11 06 281 0 154 3 91 vacuum 0 2 to 0 8 0
24. el Upper and Lower Diaphragm Case Sealing Diaphragm Plate Adjusting Screw and Closing Cap Steel Disk Retainer Disk Nut Orifice and Miscellaneous Trim Parts 316 stainless steel Diaphragm O Ring and Common Parts PTFE Nitrile NBR Ethylenepropylene EPDM or Fluorocarbon FKM Elastomer Temperature Capabilities Nitrile NBR Standard 40 to 180 F 40 to 82 C Fluorocarbon FKM 0 to 350 F 18 to 177 C Ethylenepropylene EPDM 40 to 275 F 40 to 135 C Pressure Setting Adjustment Adjusting Screw Bulletin 71 1 66 Pressure Registration Type 66 66Z or 66ZZ Cast Iron Body Internal standard or external Steel Body External standard or internal 66 Series Vacuum Regulators or Breakers External Control Line when Used 3 4 inch NPT standard Bottom Flange Line when Used 1 4 inch NPT standard with removable plug Spring Case Vent 3 4 inch NPT standard with removable Type Y602 10 vent assembly Approximate Weights 2 inch DN 50 Body NPT Ends 50 pounds 22 7 kg Flanged Ends 55 pounds 25 0 kg 3 inch DN 80 Body 100 pounds 45 4 kg 4 inch DN 100 Body 155 pounds 70 3 kg Options e Special springs diaphragm plates and other internal parts required for higher Type 66 outlet pressure ranges than shown in Table 1 e Control line connection for cast iron Type 66 66Z or 66ZZ Tapped and plugged bottom flange for cast iron or steel Type 66 66Z or 66ZZ e
25. lowing appropriate conversion factor 0 775 for air 0 628 for propane 0 548 for butane or 0 789 for nitrogen For gases of other specific gravities multiply the given capacity by 0 775 and divide by the sguare root of the appropriate specific gravity Then W3127 1 IL DISC RETAINER DISC PLATE ASSEMBLY W0032 1 IL VACUUM REGULATOR Figure 4 66 Series Vacuum Regulator and Breaker Construction Details if capacity is desired in normal cubic meters per hour Nm3 h at 0 C and 1 01325 bar absolute multiply SCFH by 0 0268 For service conditions where the pressure drop across the regulator is less than the critical pressure drop absolute outlet pressure greater than one half the absolute inlet pressure use the sizing nomographs in Fisher Catalog 10 or the Fisher sizing program Use C4 35 Bulletin 71 1 66 Table 4 Selected Type 66 Regulating Capacities in SCFH NmS3 h of 0 6 Specific Gravity Natural Gas 1 3 sony SPRING RANGE OUTLET PROPORTION INLET PRESSURE SCFH Nm3ih sa AND PART PRESSURE FROM 5 to 10 INCH NUMBER SETTING SETPOINT 0 3 psig 0 5 psig 0 75 psig 1 0 psig 1 5 psig 2 0 psig 3 0 psig psig INCHES W C INCHES W C gt 0 02 bar 0 03 bar 0 05 bar 0 07 bar 0 10 bar 0 14 bar 0 21 bar 0 34 to DN INCHES W C mbar mbar iban 0 69 bar 4900 6700 8250 10
26. lug when Used Cast Iron standard steel or 316 stainless steel optional Spring Case and Spring Case Extension when Used Steel or 304 Stainless steel optional Disk Plate Assembly Seating Surface when Used Nitrile NBR Fluorocarbon FKM or Ethylenepropylene EPDM Diaphragm Case Diaphragm Plates Bottom Flange Spring s and Bolting Plated steel Diaphragm Spacer Zinc plated steel or 316 stainless steel optional Diaphragms and Valve Plug O ring and Spring Case Gasket when Used Nitrile NBR standard Fluorocarbon FKM high temperature Ethylenepropylene EPDM or PTFE O ring and diaphragm protectors Bottom Flange and Stem Gaskets Composition Diaphragm Case and Closing Cap Gaskets Neoprene CR Pitot Tube when Used Copper standard or 304 stainless steel Sealing Washer Carbon steel or 316 Stainless steel Standard Type Y602 10 Vent Assembly Zinc Stainless steel 1 The pressure temperature limits in this Bulletin and any applicable standard or code limitation for valve should not be exceeded continued Specifications continued Construction Materials continued Snap Ring Bronze Closing Cap and Type 66 or 66Z Adjusting Screw and Spring Seats Zinc Flapper Valve and Type 66ZZ or 66 Series Vacuum Regulator or Breaker Adjusting Screw Spring Retainer and Spring Case Coupling Brass Orifice Metal Seat Parts Brass standard or 316 stainless steel NACE Construction Body Ste
27. nt downstream pressure and rapid adjustment to small demand changes Application Flexibility Steel and stainless steel bodies are available for increased resistance to piping stresses or whenever dictated by local codes External registration is standard or optional depending on construction for wherever a remote control line is required a Process Management EMERSON D100114X012 Bulletin 71 1 66 Specifications Body Sizes and End Connection Styles NOMINAL END CONNECTION STYLES BODY AND RATINGS CONSTRUCTION SIZE Standard Cast Optional INCH DN Iron Body Steel Body NPT all types Type 66 66Z 2 50 Pn CL150RF all types 66ZZ or 66 CL150FF CL300RF vacuum regulators Tn or breakers 80 100 CL125FF CL150RF Maximum Allowable Inlet Pressures Emergency Inlet Pressure Type 66 66Z 66ZZ or 66 Series Vacuum Breakers 25 psig 1 72 bar positive pressure 66 Series vacuum regulators 8 psig or 16 3 inches of mercury 0 55 bar differential vacuum Maximum Safe Pressure to Avoid Internal Parts Damage Type 66 10 psig 0 69 bar Type 66Z 5 psig 0 34 bar Type 66ZZ 2 psig 0 14 bar 66 Series Vacuum Regulators or Breakers no more than 1 psig 0 07 bar differential change from spring setting Maximum Operating Inlet Pressure Recommended for Good Performance Type 66 66Z or 66 Series Vacuum Breakers 5 psig 0 34 bar positive pressure Type 66ZZ 2 psig 0 14 bar
28. rple Stripe 6 00 152 0 148 3 76 8 to 2801 20 to 7011 1E6114000A2 Orange Stripe 6 00 152 0 200 5 08 2to5 5 to 12 1D892527022 Brown Stripe 6 12 155 0 109 2 77 4to8 10 to 20 1D892627022 Red Stripe 7 53 191 0 112 2 85 7 to 12 17 to 30 1D892727012 Black Stripe 7 88 200 0 130 3 30 Type 66 10 to 17 25 to 42 1D892827032 Orange Stripe 7 75 197 0 148 3 76 14 to 28 35 to 70 1D892927032 Purple Stripe 7 53 191 0 162 4 12 0 75 to 1 5 psig 0 05 to 0 10 bar 1D765727032 2 Red Stripe 6 09 155 0 207 5 26 1 to 2 psig 0 07 to 0 14 bar 1D765827032 2 Unpainted 6 00 152 0 225 5 72 1 5 to 3 psig 0 10 to 0 21 bar 1D962627032 2 Unpainted 6 25 159 0 262 6 66 3 to 5 psig 0 21 to 0 34 bar 1N506427142 8 Black Stripe 6 31 160 0 283 7 19 Type 66Z 1to2 2 to 5 1D892527022 Brown Stripe 6 12 155 0 109 2 77 Type 66ZZ 0 25 to 0 25 0 62 to 0 62 16991427012 Red Stripe 5 62 143 0 085 2 16 66 Series 0 to 2 0 to 5 1J196527012 Blue Stripe 5 62 143 0 102 2 59 vacuum regulators 0 2 to 0 8 0 74 to 2 1H387327012 Green Stripe 5 62 143 0 095 2 41 or breakers 2 to 6 5 to 15 1N152427012 Black Stripe 5 62 143 0 112 2 85 1 1 psig 0 07 bar minimum differential pressure required with this range 2 Heavy head construc ion required 3 Extra heavy head construction required Table 1B Outlet Control Pressure Ranges 3 inch DN 80 Body OUTLET CONTROL PRESSURE RANGE CONTROL SPRING

Emerson 66 Series Direct-Operated Regulators and Vacuum Service Equipment Data Sheet

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