Emerson Fisher 67CFSR User Manual

D102601X012
67C Series
Instruction Manual
Form 5469
March 2004
www.FISHERregulators.com
67C Series Instrument Supply Regulators
Introduction
Scope of Manual
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.
Product Descriptions
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 applica-
tions. Other applications include providing reduced
pressures to air chucks, air jets, and spray guns.
Figure 1. Typical 67C Series Regulators
W7412
TYPE 67CF FILTER REGULATOR
WITH OPTIONAL GAUGE
TYPE 67C OR 67CR
REGULATOR
W8438
• The Type 67C and 67CS is the standard instrument
supply regulator without a filter or internal relief.
• The Type 67CF and 67CFS are equipped with a
filter for removing particles from the supply gas.
• The Type 67CR and 67CSR has an internal relief
valve with a soft seat for reliable shutoff with no
discernible leakage.
• The Type 67CFR and 67CFSR have a filter and
internal relief valve with a soft seat for reliable shutoff
with no discernible leakage.
Specifications
Some general 67C Series ratings and other
specifications 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.

Emerson Fisher 67CFSR Specifications

General

Brand	Emerson
Model	Fisher 67CFSR
Category	Controller
Language	English

Summary

67C Series Instrument Supply Regulators

Introduction and Scope

Overview of the manual, its purpose, and coverage.

Product Descriptions

Details the types and applications of 67C Series regulators.

Specifications Overview

Mentions where general ratings and specifications are found.

Operational Principles and Safety

Principle of Operation

Explains how the regulator controls downstream pressure.

Internal Relief and Smart Bleed

Describes internal relief valve function and Smart Bleed option.

Overpressure Protection

Discusses the need for additional protection when inlet exceeds outlet ratings.

Installation, Startup, and Shutdown

Installation Guidelines and Warnings

Covers installation procedures, safety precautions, and warnings.

Startup and Adjustment

Procedures for starting up and adjusting the regulator.

Shutdown Procedure

Steps for safely shutting down the regulator.

Maintenance and Parts

General Maintenance and Safety

General maintenance procedures and safety precautions.

Trim and Diaphragm Maintenance

Procedures for trim, filter, and diaphragm maintenance.

Parts Ordering Information

Guidance on how to order replacement parts and the parts list.