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1301 Series High-Pressure Regulators

 

 

  

WARNING 

 

 

Failure to follow these instructions or 
to properly install and maintain this 
equipment could result in an explosion, 
fire and/or chemical contamination 
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 Fisher 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.

 

Installation, operation and maintenance 
procedures performed by unqualified 
personnel may result in improper 
adjustment and unsafe operation. Either 
condition may result in equipment 
damage or personal injury. Use qualified 
personnel when installing, operating 
and maintaining the 1301 Series high- 
pressure regulator.

 

 

Introduction

 

Scope of the Manual

 

This Instruction Manual provides instructions for the 
installation, adjustment, maintenance and parts ordering 
of the Types 1301F and 1301G high-pressure regulators.

 

 

Product Description

 

Types 1301F and 1301G regulators are direct-operated, 
high-pressure regulators, which can be used where 
high-pressure gas must be reduced for use as pilot 
supply pressure in pilot-operated regulators or as 
loading pressure in pressure-loaded regulators.

 

 

 

 

 

Figure 1. 

Type 1301F High-Pressure Regulator

 

 
 
 
 
 

 

Types 1301F and 1301G regulators can also be used 
in many other applications due to their rugged design 
as high-pressure reducing regulators for various fluids 
such as air, gas, water and other liquids.

 

The Type 1301F can handle outlet pressures from 10 to 
225 psig / 0.69 to 15.5 bar in three ranges and the 
Type 1301G can handle outlet pressures from 200 to 
500 psig / 13.8 to 34.5 bar in one  range.

 

 
 
 
 

 

 

 

www.fisherregulators.com

 

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Summary of Contents for Fisher 1301 Series

Page 1: ...in equipment damage or personal injury Use qualified personnel when installing operating and maintaining the 1301 Series high pressure regulator Introduction Scope of the Manual This Instruction Manual provides instructions for the installation adjustment maintenance and parts ordering of the Types 1301F and 1301G high pressure regulators Product Description Types 1301F and 1301G regulators are di...

Page 2: ...r Liquid Polytetrafluoroethylene PTFE Disk 1000 psig 69 0 bar Nylon PA Disk Water 1000 psig 69 0 bar Other Liquids 2000 psig 138 bar Outlet Pressure Ranges See Table 1 Maximum Emergency Outlet Pressure 1 Type 1301F 250 psig 17 2 bar Type 1301G 550 psig 37 9 bar Wide Open Flow Coefficients for Relief Valve Sizing Cg 5 0 Cv 0 13 C1 38 5 IEC Sizing Coefficients XT 0 938 FD 0 50 FL 0 85 Recovery Coeff...

Page 3: ... 6 17 1301G 200 to 500 13 8 to 34 5 Silver 1K156027142 0 331 8 41 0 88 22 4 1 All springs can be backed off to 0 psig 0 bar Principle of Operation The 1301 Series regulators are direct operated Downstream pressure is registered internally through the body to the underside of the diaphragm When downstream pressure is at or above set pressure the disk is held against the orifice and there is no flow...

Page 4: ...d outlet pressure is factory set at the midpoint of the regulator spring range If pressure adjustment is necessary refer to the Startup section In all cases check the spring setting to make sure it is correct for the application Overpressure Protection The 1301 Series regulators have an outlet pressure rating lower than their inlet pressure rating If actual inlet pressure can exceed the outlet pre...

Page 5: ...e halves are a matched set and need to be kept together 10 Unscrew the orifice key 5 Examine seating edge of orifice Replace with a new part if worn or nicked Assembly This procedure assumes that the regulator was completely disassembled If not start these instructions at the appropriate step Key numbersused are shown in Figure 3 for the Type 1301F regulator and in Figure 4 for the Type 1301G regu...

Page 6: ...l com 6 22 10 NOTE OPTIONAL THIRD OUTLET Figure 3 Type 1301F High Pressure Regulator Assembly 15 2 18 11 9 19 8 16 7 21 1 12 4 13 17 14 5 3 BP6341 A CN7095_C Figure 4 Type 1301G High Pressure Regulator Assembly Figure 5 Exploded View of The DiaphragmHead Assembly and Yoke 15 18 2 9 11 8 19 7 16 17 1 12 13 4 14 5 3 6 22 10 CD3923_F 19 8 7 13 17 4 40 S 20 ...

Page 7: ...pring 1D387325072 1K155725072 1B798525062 1K155828982 1 Body 1 4 NPT Connection 302 Stainless steel Inconel X750 NACE 1D387137022 15A3522X012 Brass 2 outlet port 39A1342X012 11 Spring Zinc plated steel Brass 3 outlet port CF8M Stainless steel 2 outlet port ERAA00584A0 32B4291X022 Type 1301F 0 to 75 psig 0 to 5 2 bar Blue 1D387227022 CF8M Stainless steel 3 outlet port 1 4 x 1 2 in Flanged Connectio...

Page 8: ...eel Use with key 32 Not shown 1C631224052 Use with Stainless steel yoke only 1J926035072 34 Bracket Mounting Washer 22 Valve Disk Collar Use with key 32 Not shown T12861T0012 304 Stainless steel 1D468635032 35 NACE Tag 316 Stainless steel NACE 1D4686X0012 Use with NACE unit Not shown 24 Handwheel Not shown 36 Tag Wire Type 1301F 1L217544992 Use with key 35 Not shown 26 Vent Screen Not shown 38 Bod...

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