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Type EZR

D102600X012

Instruction Manual

Form 5468

June 2010

www.fisherregulators.com

TYPE EZR REGULATOR

W7399

Type EZR Pressure Reducing Regulator

W7430

161AY SERIES PILOT

Introduction

Scope of the Manual

This instruction manual provides installation, startup,

adjustment, maintenance, and parts ordering

information for Type EZR pressure reducing regulator,

Type 112 restrictor, 161AY Series pilot, 161EB Series

pilot, and PRX Series pilot. Any accessories used

with this regulator are covered in their respective

instruction manuals.

Product Description

The Type EZR pilot-operated, pressure reducing

regulators are used for natural gas, air, or other

non-corrosive gas applications and include a Type 112

restrictor and a 161EB, 161AY, or PRX Series pilot. For

applications that have high-pressure drops, using a

Type 161AYM or 161EBM monitor pilot will increase the

accuracy of the regulator.

Figure 1.

Type EZR Pressure Reducing Regulator

TYPE PRx PILOT

W8346

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. 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.

WARnInG

Содержание EZR

Страница 1: ...tor and a 161EB 161AY or PRX Series pilot For applications that have high pressure drops using a Type 161AYM or 161EBM monitor pilot will increase the accuracy of the regulator Figure 1 Type EZR Pressure Reducing Regulator type prx PILOT W8346 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...

Страница 2: ... can usually be provided Contact your local Sales Office for assistance 2 See Tables 3 8 10 and 11 for diaphragm materials and additional pressure ratings 3 Available in steel NPT only 4 NPS 6 x 4 8 x 4 8 x 6 12 x 6 DN 150 x 100 200 x 100 200 x 150 300 x 150 Types EZR and 399 bodies are not the same as the EW valve bodies and are not interchangeable Table 1 Main Valve Body Sizes End Connection Sty...

Страница 3: ...438 B2625_2 inlet pressure outlet pressure aTMOSPHERIC pressure loading pressure 161AY SERIES PILOT TYPE 112 RESTRICTOR TYPE 252 PILOT SUPPLY FILTER 161EB SERIES PILOT MAIN SPRING DIAPHRAGM AND PLUG ASSEMBLY Type EZR with Types 161EB Pilot 112 Restrictor and 252 Filter PORT S PORT B PORT A PORT L 2 U N R S T A R T 4 6 8 FLOW DIRECTION MAIN SPRING DIAPHRAGM AND PLUG ASSEMBLY FLOW DIRECTION ...

Страница 4: ... 15 inches w c 0 5 to 1 2 psig 1 2 to 2 5 psig 2 5 to 4 5 psig 4 5 to 7 psig 15 to 37 mbar 34 to 83 mbar 83 mbar to 0 17 bar 0 17 to 0 31 bar 0 31 to 0 48 bar 1 inch w c 1 inch w c 0 5 psig 0 5 psig 0 5 psig 3 mbar 2 3 mbar 2 34 mbar 2 34 mbar 2 34 mbar 2 1B653927022 1B537027052 1B537127022 1B537227022 1B537327052 Olive drab Yellow Light green Light blue Black 0 105 0 114 0 156 0 187 0 218 2 67 2 ...

Страница 5: ...th White Stripe 3 17E88 and 17E97 43 3 0 50 3 4 56 3 9 43 3 0 53 3 7 68 4 7 2 x 1 50 x 25 19B2400X012 Light Blue 17E68 and 17E88 24 1 7 29 2 0 31 2 2 24 1 7 31 2 2 40 2 8 19B2401X012 Black with White Stripe 17E97 43 3 0 50 3 4 56 3 9 43 3 0 53 3 7 68 4 7 17E68 and 17E88 43 3 0 50 3 4 56 3 9 43 3 0 53 3 7 68 4 7 GE12501X012 Red Stripe 3 17E97 68 4 7 73 5 0 88 6 1 72 5 0 81 5 6 102 7 0 2 50 19B0951X...

Страница 6: ...lled where service conditions could exceed the limits given in Specifications section on page 2 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 limits Additionally physical ...

Страница 7: ...for a threaded body or use suitable line gaskets for a flanged body When installing butt weld end connections remove trim before welding and make sure to use approved welding practices Use approved piping procedures when installing the regulator caution A regulator may vent some gas to the atmosphere In hazardous or flammable gas service vented gas may accumulate and cause personal injury death or...

Страница 8: ...istration Connect the control line a minimum of 8 to 10 pipe diameters downstream of the regulator in a straight run of pipe Do not make the control line connection in a turbulent area such as in or directly downstream of a swage or elbow When used a hand valve should be a full flow valve such as a full port ball valve 4 Table 9 gives the spread between normal distribution pressure and the minimum...

Страница 9: ...PRESSURE LINE CONTROL LINE ALTERNATE CONTROL LINE HAND VALVE HAND VALVE L 1 L A A S S B B 1 PLUGGED BLOCK VALVE BLOCK VALVE OUTLET HAND VALVE HAND VALVE ALTERNATE CONTROL LINE CONTROL LINE 161 Series PILOT RESTRICTOR SUPPLY PRESSURE LINE CONTROL LINE 161 series WORKING PILOT 161 series MONITOR PILOT RESTRICTOR SUPPLY PRESSURE LINE MONITOR REGULATOR WORKING REGULATOR INLET 161 Series Working Monito...

Страница 10: ...full port ball valve Table 4 shows the minimum differential pressure requirements across an individual regulator Because this application uses a first stage and second stage pressure reduction add the minimum differential pressure for each regulator together to establish the required pressure drop across the station Do not exceed maximum pilot ratings given in Table 3 Startup and Adjustment Note T...

Страница 11: ...ownstream working regulator pilot Pilot Adjustment For 161 Series pilots remove the pilot closing cap key 16 Figure 19 or key 22 Figure 20 and on 161EB Series only loosen the locknut key 12 Figure 19 Turn the adjusting screw key 11 Figure 19 or key 35 Figure 20 into the spring case key 2 Figure 19 or key 3 Figure 20 to increase the downstream pressure Turn the adjusting screw out of the spring cas...

Страница 12: ... b Outlet block valve c Control line valve s if used 3 Open the vent valves to depressurize the system Pilot Type Recommended Type 112 Restrictor Settings for Low Flow Operation Recommended Orifice Size s for Low Flow Operation Type 112 Restrictor Settings and Orifice Sizes to Avoid Low Flow Operation 161AY Series Pilots Restrictor Setting of 5 or greater 3 32 or 1 8 inch 2 38 or 3 18 mm 3 32 inch...

Страница 13: ...ig 10 to 40 psig 30 to 75 psig 70 to 140 psig 130 to 200 psig 200 to 350 psig 0 34 to 1 0 bar 0 69 to 2 8 bar 2 1 to 5 2 bar 4 8 to 9 7 bar 9 0 to 13 8 bar 13 8 to 24 1 bar 17B1260X012 17B1262X012 17B1259X012 17B1261X012 17B1263X012 17B1264X012 0 5 psig 0 5 psig 0 6 psig 1 3 psig 1 5 psig 3 psig 34 mbar 1 34 mbar 1 41 mbar 1 90 mbar 1 0 10 bar 1 0 21 bar 1 Type 161EB 30 to 300 psig 2 1 to 20 7 bar...

Страница 14: ... 100 6 9 Yellow 360 24 8 300 20 7 500 34 5 Light Blue 17E97 Nitrile NBR High pressure and or erosion resistance 500 34 5 500 34 5 1050 72 4 Light Blue 1050 72 4 800 55 2 1050 72 4 Black 2 17E88 Fluorocarbon FKM High aromatic hydrocarbon content resistance 100 6 9 100 6 9 100 6 9 Yellow 500 34 5 500 34 5 3 750 51 7 Light Blue 750 51 7 500 34 5 3 750 51 7 Black 2 4 6 x 4 and 8 x 4 100 150 x 100 and ...

Страница 15: ...ONNECTION 1 4 NPT PIPE CONNECTS TO TYPE EZR DIAPHRAGM LOADING PORT OUTLET CONNECTION 1 4 NPT PIPE CONNECTS TO PILOT INLET CONNECTION OPTIONAL LOADING CONNECTION 1 4 NPT NORMALLY PLUGGED 11B5004 A Figure 7 Pilot Port Function and Connection Sizes TYPE 161EB TYPE 161EBM IN OUT IN OUT SENSE 1 4 NPT NORMALLY PLUGGED INLET 1 4 NPT CONNECTS TO 1 4 NPT TYPE 112 OUTLET CONTROL LINE CONNECTION 1 4 NPT PRES...

Страница 16: ... x 25 sizes remove the lower adaptor key 132 5 Clean parts and replace if necessary To change the O ring key 121 on a 6 inch 152 mm cage with attached restrictor plate key 71 remove cap screws key 126 Assembly 1 Install the inlet strainer or shim key 23 into the body key 1 Note When installing in a vertical orientation apply lubricant to the bottom of the inlet strainer or strainer shim key 23 to ...

Страница 17: ...DOWN position check main valve for debris or diaphragm damage Outlet pressure normal at low flow but falls below setpoint at high flow Check main valve inlet strainer for plugging Check inlet pressure at high flow condition Check sizing calculations to be sure main valve body is large enough for load Check for undersized or restricted control line use the minimum size given in step 6 of All Instal...

Страница 18: ...udden release of pressure 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 1 Remove the indicator protector key 22 Figure 14 and indicator cover key 21 2 Remove the first hex nut key 4 and the indicator washer key 20 3...

Страница 19: ...quire a diaphragm limiter Trim Parts 1 As shown in Figure 11 remove the body plug key 3 to let the plug spring key 6 and valve plug key 4 drop freely from the body 2 Inspect the removed parts and body plug O ring key 15 replace as necessary and make sure the plug seating surfaces are free from debris 3 Sparingly apply lubricant to the body plug O ring key 15 and the threads of the body plug key 3 ...

Страница 20: ...ration and adjust the pressure setting Tighten the locknut key 12 replace the closing cap gasket key 17 if necessary and install the closing cap key 16 161AY Series Pilots Figure 20 Body Area Use this procedure to gain access to the disk assembly orifice and body O ring All pressure must be released from the diaphragm casing and the disk assembly must be open before these steps can be performed 1 ...

Страница 21: ...o 11 foot pounds 12 to 15 N m to secure parts to the pusher post connector key 40 Overpressure Spring key 39 Spring Holder key 37 Machine Screw key 38 10 Insert and tighten the machine screw key 38 with a torque of 1 to 3 foot pounds 1 4 to 4 1 N m to secure the diaphragm parts to the pusher post key 8 11 Install the assembled parts in the diaphragm casing key 4 Make sure the lever key 16 fits in ...

Страница 22: ...ey 16 unless removed during lower diaphragm maintenance Use a wrench to hold stem key 23 securely while removing the stem nut key 26 5 Remove remaining loose components washer key 11 upper diaphragm plate key 13 diaphragm key 14 lower diaphragm plate key 15 and O rings keys 18 and 25 Inspect diaphragm and O rings for damage or wear and replace if necessary 6 Lightly lubricate the O ring key 25 Pla...

Страница 23: ...PS 1 and 1 1 4 x 1 DN 25 and 32 x 25 17E68 Nitrile NBR 10C0502X032 17E97 Nitrile NBR REZRX00CS12 17E88 Fluorocarbon FKM 10C0502X052 NPS 2 x 1 DN 50 x 25 17E68 Nitrile NBR 10C0502X042 17E97 Nitrile NBR REZRX00CS92 17E88 Fluorocarbon FKM 10C0502X022 NPS 2 DN 50 17E68 Nitrile NBR 18B5959X012 17E97 Nitrile NBR 18B5959X022 17E88 Fluorocarbon FKM 18B5959X062 NPS 3 DN 80 17E68 Nitrile NBR 18B9884X022 17E...

Страница 24: ... Steel CL150 RF GE10699X012 14B5835X032 CL300 RF GE10700X012 14B5835X042 CL600 RF GE10701X012 14B5835X052 SCH 40 BWE GE10702X012 14B5835X102 SCH 80 BWE GE10703X012 4 100 Cast iron CL125 FF GE10707X012 CL250 RF GE10822X012 WCC Steel CL150 RF GE10835X012 14B5836X032 CL300 RF GE10839X012 14B5836X042 CL600 RF GE10842X012 14B5836X052 SCH 40 BWE GE10843X012 14B5836X092 SCH 80 BWE GE10844X012 6 x 4 150 x...

Страница 25: ...ody 59B5955X012 8 Cage O ring not required for NPS 2 x 1 or 8 x 6 DN 50 x 25 or 200 x 150 bodies NPS 1 DN 25 body Nitrile NBR 14A5713X012 Fluorocarbon FKM 13A2351X012 NPS 2 DN 50 body Nitrile NBR 10B4428X012 Fluorocarbon FKM 10B4428X022 NPS 3 DN 80 body Nitrile NBR 10B4366X012 Fluorocarbon FKM 10B4366X022 NPS 4 6 x 4 and 8 x 4 DN 100 150 x 100 and 200 x 100 bodies Nitrile NBR 10B4373X012 Fluorocar...

Страница 26: ...R 13A1584X052 Fluorocarbon FKM 13A1584X022 NPS 3 4 6 x 4 and 8 x 4 DN 80 100 150 x 100 and 200 x 100 bodies Nitrile NBR 10A3803X062 Fluorocarbon FKM 10A3803X032 NPS 6 8 x 6 and 12 x 6 DN 150 200 x 150 and 300 x 150 bodies Nitrile NBR T12050X0012 Fluorocarbon FKM T12050X0022 NPS 8 DN 200 body Nitrile NBR T12050X0012 Fluorocarbon FKM T12050X0022 15 Stem NPS 1 1 1 4 x 1 and 2 x 1 DN 25 32 x 25 and 50...

Страница 27: ... 64 12 28 9 13 1 23 48B2142 B2617_2 MAIN VALVE ASSEMBLY FOR NPS 1 1 1 4 x 1 2 x 1 2 3 4 6 x 4 AND 8 x 4 DN 25 32 x 25 50 x 25 50 80 100 150 x 100 AND 200 x 100 BODY SIZES Note See NPS 2 x 1 DN 50 x 25 assembly for additional parts Figure 14 Type EZR Main Valve ...

Страница 28: ...00 1A767524662 For NPS 6 DN 150 1A369224492 66 O ring NPS 8 x 6 DN 200 x 150 body only Nitrile NBR 18A2556X022 Fluorocarbon FKM 18A2556X032 67 O ring NPS 2 x 1 DN 50 x 25 body Nitrile NBR 10B4428X012 Fluorocarbon FKM 10B4428X022 Key Description Part Number 67 O ring continued NPS 8 x 6 DN 200 x 150 body Nitrile NBR 1V335006562 Fluorocarbon FKM 1V3350X0012 70 O ring NPS 1 1 1 4 x 1 and 2 x 1 DN 25 ...

Страница 29: ...0 socket head screw key 129 NPS 8 x 6 DN 200 x 150 RESTRICTOR PLATE O RING PLACEMENT 21 20 19 17 14 11 10 5 7 71 70 2 121 126 66 67 67 66 23 1 126 121 8 13 9 79 28 12 64 16 18 6 4 15 22 133 131 121 67 132 49B5067 NPS 2 x 1 DN 50 x 25 Main Valve Assembly 21 20 19 17 14 11 10 5 7 71 70 2 121 126 66 67 67 66 23 1 126 121 8 13 9 79 28 12 64 16 18 6 4 15 22 MAIN VALVE ASSEMBLY FOR NPS 6 8 x 6 AND 12 x ...

Страница 30: ...7 25 4 20 19 6 64 12 15 137 70 10 13 5 1 23 8 7 11 9 14 28 142 17 18 16 2 22 21 26 24 Figure 14 Type EZR Main Valve continued main valve assembly for NPS 8 DN 200 Body 40C3570 C APPLY LUBRICANT SEALANT ADHESIVE parts not shown 63 ...

Страница 31: ... Restricted Trim Figure 17 Type EZR Cage O ring Placement B2617_C B2617_D Figure 18 Type EZR Travel Indicator Plug Option NPS 1 1 1 4 x 1 2 x 1 2 3 AND 4 DN 25 32 x 25 50 x 25 50 80 and 100 BODY SIZES NPS 6 x 4 8 x 4 6 8 x 6 12 x 6 DN 150 x 100 200 x 100 150 200 x 150 300 x 150 BODY SIZEs B2617_E 19 3 19 3 ...

Страница 32: ... 32 Type 161EB Pilot Figure 19 161EB Series Pilots Type 161EBM Pilot 19 22 Sense control Port 19 22 1 31B5012 A Sense exhaust Port 11 12 9 7 10 3 15 1 2 18 17 16 4 6 8 30B4395 E APPLY LUBRICANT SEALANT ADHESIVE ...

Страница 33: ...161EBM Type 161EB 3 5 to 15 0 34 to 1 0 White 10 to 40 0 69 to 2 8 Yellow 30 to 75 2 1 to 5 2 Black 70 to 140 4 8 to 9 7 Green 130 to 200 9 0 to 13 8 Blue 200 to 350 13 8 to 24 1 Red 30 to 300 psig 2 1 to 20 7 Green 7 Diaphragm Assembly Nitrile NBR 17B9055X022 1 17B9055X022 1 17B9055X022 1 17B9055X022 1 17B9055X022 1 17B9055X032 2 17B9055X032 2 Diaphragm Assembly Fluorocarbon FKM 17B9055X062 1 17B...

Страница 34: ...Type EZR 34 26 47 46 24 2 30 31 33 Figure 20 Types 161AY and 161AYM Pilots 27 10 48 4 8 7 49 40 16 17 14 18 50 11 1 55 39 6 25 22 35 3 56 38 37 21 12 13 15 5 B2631 B2632 B2631 Type 161AY Type 161AYM ...

Страница 35: ...ssembly 1B5375000B2 17 Machine Screws 2 required 19A7151X022 Key Description Part Number 18 Guide Insert 27B4028X022 21 Hex Nut 1A354024122 22 Closing Cap Plastic standard T13524T0062 Steel 1E422724092 23 Hex Nut 8 required 1A352724122 24 Cap Screw 8 required 1A352524052 25 Closing Cap Gasket 1P753306992 26 Vent Assembly Spring Case Down Type Y602 1 Type Y602X1 A1 Spring Case Up Type Y602 11 Type ...

Страница 36: ... 150 200 x 150 and 300 x 150 bodies NPS 8 DN 200 body 73 Stud Zinc plated steel 2 required PRX Series Mounting Parts Figure 23 13 Pipe Nipple 21 External Elbow 61 Tubing Connection 2 required NPS 6 8 x 6 12 x 6 and 8 DN 150 200 x 150 300 x 150 and 200 bodies 62 Tubing NPS 6 8 x 6 12 x 6 and 8 DN 150 200 x 150 300 x 150 and 200 bodies 63 Nipple Pipe Hex NPS 1 1 1 4 2x 1 2 3 4 6 x 4 and 8 x 4 DN 25 ...

Страница 37: ... 25 Key Description Part Number 38 Pipe Nipple Galvanized Steel 45 Bushing Plated Steel 2 required 138 Pipe Nipple Galvanized Steel 139 Coupling Steel 140 Bushing Plated Steel 141 Pipe Nipple Galvanized Steel Type 252 Type PRX Type 161AY Pilot 41b3471 Type 161AY or 161AYm Type 112 Type PRX Pilot 40c1205 1 Note 1 NPS 4 DN 100 body only Type 252 Type PRX MOUNTING FOR NPS 1 THROUGH 6 DN 25 THROUGH 15...

Страница 38: ...pply Filter 29 38 B2612 Figure 24 Pounds to Pounds 161EB Series Pilots Working Monitor Mounting Parts 81 68 62 61 37B8952 pilot Type 252 Figure 25 Pounds to Inches 161AY 161EB Series Pilots Monitor System Mounting Parts 41B5009 TYPE 399A OR EZR TYPE 161 OR 161M TYPE 161AYM TYPE 112 29 45 46 47 48 50 38 45 ...

Страница 39: ...iped Pilot Supply Figure 26 Key Description Part Number 59 Pipe Nipple for use without Type 252 filter NPS 1 DN 25 body NPS 2 3 and 4 DN 50 80 and 100 bodies NPS 6 8 x 6 and 12 x 6 DN 150 200 x 150 and 300 x 150 bodies 60 Elbow for use without Type 252 filter 61 Tubing Connector for use without Type 252 filter 1 required with Type 252 2 required without Type 252 Steel Stainless Steel 62 Tubing Sta...

Страница 40: ...3 47 00 TESCOM Emerson Process Management Tescom Corporation USA Headquarters Elk River Minnesota 55330 2445 USA Tel 1 763 241 3238 Europe Selmsdorf Germany 23923 Tel 49 0 38823 31 0 For further information visit www fisherregulators com Type EZR PRX Series Pilots Figure 27 Key Description Part Number Parts Kits Elastomer Parts Kits includes keys 4 5 14 17 18 25 and 28 Types PRX 120 and PRX 125 Ni...

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