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Fisher 67CF User Manual

Fisher 67CF
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67C Series
D102601X012
Instruction Manual
Form 5469
July 2010





Figure 1. 67C Series Regulators
W7412
W8438
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
This manual provides instructions and parts lists for
67C Series instrument supply regulators. Instructions
and parts lists for other equipment mentioned in this
instruction manual, as well as for other 67 Series
regulators, are found in separate manuals.

The 67C Series direct-operated regulators are
typically used to provide constantly controlled,
reduced pressures to pneumatic and electropneumatic
controllers and other instruments. They are suitable
for most air or gas applications. Other applications
include providing reduced pressures to air chucks, air
jets, and spray guns.
•  TheTypes 67Cand 67CS are the standard    
      instrument supply regulators without a lter or 
internal relief.
•  The Types 67CF and 67CFS are equipped with a  
     lter for removing particles from the supply gas. 
•  The Types 67CR and 67CSR have an internal  
relief valve with a soft seat for reliable shutoff with
no discernible leakage.
•  The Types 67CFR and 67CFSR have a lter and  
internal relief valve with a soft seat for reliable
shutoff with no discernible leakage.

Some general 67C Series ratings and other
specications are given on page 2.  A label on the 
spring case gives the control spring range for a given
regulator as it comes from the factory.
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Fisher 67CF Specifications

General IconGeneral
ActionDirect or Reverse
Housing MaterialAluminum
TypePneumatic
Accuracy±1% of output pressure range
MountingPipe

Summary

67C Series Instrument Supply Regulators

Introduction

Provides an overview of the 67C Series instrument supply regulators.

Product Descriptions

Details the typical uses and applications of 67C Series direct-operated regulators.

Specifications

Lists general ratings and specifications for 67C Series regulators.

Principle of Operation

Internal Relief Features

Explains the internal relief valve function in specific 67C Series regulator types.

Smart Bleed™ Airset

Details the Smart Bleed™™ option for exhausting downstream pressure upon inlet pressure loss.

Overpressure Protection

Discusses the need for external protection when inlet pressure exceeds regulator ratings.

Installation Guidelines

Installation Note

Instruction for regulators shipped mounted on other units.

General Safety Warnings

Highlights potential hazards like injury, damage, or explosion from gas release.

Installation Best Practices

Covers guidelines for proper regulator installation, inspection, and handling.

Startup and Adjustment

Startup Procedure

Steps for slowly opening valves and monitoring pressure during startup.

Outlet Pressure Adjustment

Method for adjusting outlet pressure using screw or handwheel.

Maintenance Procedures

Shutdown Procedure

Steps for safely shutting down the regulator by closing block and opening vent valves.

General Maintenance

Emphasizes regular inspection and replacement of regulator parts based on service conditions.

Trim Maintenance

Detailed steps for maintaining the trim components of 67C, 67CR, 67CS, and 67CSR regulators.

Diaphragm Maintenance

Procedures for removing, inspecting, and reinstalling the diaphragm assembly.

Filter Element and Trim Maintenance

Steps for maintaining filter elements and trim for 67CF, 67CFR, 67CFS, and 67CFSR models.

Parts Ordering and List

Parts Ordering Information

Guidance on how to order parts, including required information.

Parts List

Comprehensive list of parts with descriptions and part numbers for 67C Series regulators.

Component Diagrams and Parts

Automatic Drain Conversion Kits

Details kits for converting to automatic drain functionality.

Body and Drain Valve Descriptions

Lists different body materials and drain valve types with corresponding part numbers.

Flange Screw and O-ring Specifications

Details flange screws and O-rings with their part numbers and material types.

Dripwell and Filter Element Details

Provides part numbers and specifications for dripwells and filter elements.

Spring Case and Valve Cartridge Parts

Lists part numbers for spring cases, valve cartridges, and valve plugs.

Valve Spring and Retainer

Details part numbers for valve springs and retainers.

Soft Seat and Diaphragm Assembly

Lists part numbers for soft seats and diaphragm assemblies.

Assembly Diagrams and Keyed Parts

Diaphragm Assembly Details

Details diaphragm assemblies for different regulator types and their part numbers.

Spring Specifications

Lists springs for various regulator types and pressure ranges with part numbers.

Adjusting Screw and Panel Mount Parts

Details part numbers for adjusting screws and panel mounting hardware.

Diagrams and Component Identification

Type 67CFS or 67CFSR Assembly Diagram

Illustrates the assembly of Type 67CFS or 67CFSR regulators with keyed components.

Optional Panel Mount Diagram

Shows the diagram for the optional panel mount configuration.

Spring Case Vent Positions

Diagrams illustrating vent positions on the spring case for 67C Series regulators.

Drain Valve Positions

Diagrams showing drain valve positions for 67CF, 67CFR, 67CFS, and 67CFSR regulators.

Detailed Component Diagrams

Diaphragm Assembly Detail

Close-up view of the diaphragm assembly (Key 16) with component labels.

Optional Closing Cap

Illustration and availability of the optional closing cap for spring case vents.

Valve Cartridge Assembly Detail

Detailed diagram of the valve cartridge assembly (Key 10) with dimensions.

Spacer Diameter and Assembly

Diagram showing spacer dimensions and its assembly for installation.

Parts Identification and Vendor Information

Keyed Part Descriptions

Detailed list of parts identified by key numbers and their corresponding part numbers.

Parts for 2500 Series Controller Mounting

Lists parts for mounting the 67C Series regulator onto a 2500 Series Controller.

Manufacturer Contact Information

Provides contact details for Emerson Process Management in different regions.

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