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Type 627F

D101545X012

Instruction Manual

Form 5282

April 2012

www.fisherregulators.com

Type 627F Pilot-Operated 

Pressure Reducing Regulator

!

WARNING

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 manual provides instructions for installation, 

adjustment, maintenance, and parts ordering 

information for the Type 627F regulator.

Figure 1. 

Type 627F Pilot-Operated Pressure Reducing Regulators

W5607

W5641

Содержание 627F

Страница 1: ...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 un...

Страница 2: ...ure Capabilities 1 20 to 180 F 29 to 82 C Flow Coefficients See Table 4 IEC Sizing Coefficients See Table 5 Pressure Registration External Pilot Supply Connection 1 4 NPT Pilot Sense Connection 1 4 NP...

Страница 3: ...FILTER FACTORY INSTALLATION OPTIONAL PILOT DIAPHRAGM LEVER VALVE DISK TYPE 6351F PILOT TYPE 627F REGULATOR MAIN REGULATOR DIAPHRAGM RESTRICTION BLEED FIELD INSTALLED DOWNSTREAM CONTROL LINE PILOT ADJ...

Страница 4: ...n blown free of foreign debris 5 The regulator may be installed in any position as long as the flow through the body is in the direction indicated by the arrow cast on the body and both pilot openings...

Страница 5: ...rvice conditions could exceed the limits given in Specifications section or where conditions exceed any ratings of the adjacent piping or piping connections To avoid such injury or damage provide pres...

Страница 6: ...sional tolerances etc use only replacement parts manufactured or furnished by Fisher Instructions are given below for replacing the disk assembly orifice diaphragm and O rings These procedures may als...

Страница 7: ...install on the stem key 10 4 Apply lubricant to the stem key 10 and insert the stem into the diaphragm casing key 5 and hook it on the lever key 15 5 Apply lubricant to the O ring key 7 and insert par...

Страница 8: ...ot pounds 9 5 N m of torque 11 To change the tension spring remove the spring seat bolt key 61 from the tension spring key 32 and unscrew the spring retainer key 53 12 Install the tension spring key 3...

Страница 9: ...le Parts List Type 627F Main Regulator Figure 3 Key Description Part Number Type 627F Parts Kit includes keys 4 7 9 11 12 13 23 55 and 63 Aluminum or Ductile iron casing R627FX00A12 Stainless steel ca...

Страница 10: ...012 Medium Gain 17A2029X012 Low Gain 17A7277X012 Figure 3 Type 627F Main Regulator Assembly continued OPTIONAL PILOT SUPPLY TUBING TYPE 6351F PILOT TYPE 627F ACTUATOR 42B1863 D Type 627F Main Regulato...

Страница 11: ...12 11 16 17 14 15 18 55 5 29 31 32 62 61 34 36 56 54 37 23 24 19 L1 L1 L2 L2 L2 L2 L2 APPLY LUBRICANT 1 L1 MULTI PURPOSE NLGI GRADE 1 GREASE L2 ANTI SEIZE COMPOUND 1 Lubricants must be selected such...

Страница 12: ...on Process Management product remains solely with the purchaser Industrial Regulators Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75069 1872 USA Tel 1 800 558...

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