Emerson Fisher 670 Series User manual

670 Series

Installation Guide

D200109X014

English – February 2015

Introduction

This installation guide provides instructions for

installation, startup and adjustment. To receive a copy of

the instruction manual, contact your local Sales Office or

view a copy at www.fisher.com. For further information

refer to: 670 Series Instruction Manual, D200109X012.

PED Categories

This product may be used as a safety accessory

with pressure equipment in the following Pressure

Equipment Directive categories. It may also be

used outside of the Pressure Equipment Directive

using sound engineering practice (SEP) per table

below. For information on the current PED revision

see Bulletin: D103053X012.

PRODUCT SIZE CATEGORIES FLUID TYPE

1/4 NPT SEP 1

Specifications

Description (Regulator Type Number)

See Table 1

Pressure Ratings(1)

See Table 1

Proof Test Pressure

All Pressure Retaining Components have been

proof tested per Directive.

Installation

WARNING

Only qualified personnel should install

or service a regulator. Regulators

should be installed, operated and

maintained in accordance with

international and applicable codes

and regulations and Emerson Process

Management Regulator Technologies,

Inc. instructions.

If the regulator vents fluid or a leak

develops in the system, it indicates that

service is required. Failure to take the

regulator out of service immediately

may create a hazardous condition.

Personal injury, equipment damage

or leakage due to escaping fluid

or bursting of pressure-containing

parts may result if this regulator is

overpressured or is installed where

service conditions could exceed the

limits given in the Specifications

section, 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 damage to the

regulator could result in personal injury

and property damage due to escaping

fluid. To avoid such injury and damage,

install the regulator in a safe location.

Clean out all pipelines before installation of the

regulator and check to be sure the regulator has

not been damaged or has collected foreign material

during shipping. For NPT bodies, apply pipe

compound to the external pipe threads. For flanged

bodies, use suitable line gaskets and approved piping

and bolting practices. Install the regulator in any

position desired, unless otherwise specified, but be

sure flow through the body is in the direction indicated

by the arrow on the body.

Note

It is important that the regulator be

installed so that the vent hole in the

spring case is unobstructed at all times.

For outdoor installations, the regulator

should be located away from vehicular

traffic and positioned so that water, ice

and other foreign materials cannot enter

the spring case through the vent. Avoid

placing the regulator beneath eaves or

downspouts and be sure it is above the

probable snow level.

1. The pressure/temperature limits in this installation guide and any applicable standard or code limitation should not be exceeded.

670 Series

Overpressure Protection

The recommended pressure limitations are

stamped on the regulator nameplate. Some type of

overpressure protection is needed if the actual inlet

pressure exceeds the maximum operating outlet

pressure rating. Overpressure protection should

also be provided if the regulator inlet pressure

is greater than the safe working pressure of the

downstream equipment.

Regulator operation below the maximum pressure

limitations does not preclude the possibility of damage

from external sources or debris in the line. The

regulator should be inspected for damage after any

overpressure condition.

Startup

The regulator is factory set at approximately

the midpoint of the spring range or the pressure

requested, so an initial adjustment may be required

to give the desired results. With proper installation

completed and relief valves properly adjusted, slowly

open the upstream and downstream shutoff valves.

Adjustment

To change the outlet pressure, remove the closing

cap or loosen the locknut and turn the adjusting

screw clockwise to increase outlet pressure or

counterclockwise to decrease pressure. Monitor

the outlet pressure with a test gauge during the

adjustment. Replace the closing cap or tighten the

locknut to maintain the desired setting.

TYPE

NUMBER

GAUGE

DESCRIPTION

REGULATOR

TYPE

NUMBER

MAXIMUM

INLET PRESSURE

MAXIMUM

OUTLET PRESSURE

MAXIMUM

EMERGENCY

OUTLET PRESSURE

bar psig bar psig bar psig

670 1 Basic 1-gauge panel 67CR

17.2 250 6.9 100 7.6 110670F 1 1-gauge panel; regulator has filter 67CFR

670FG 2 2-gauge panel; regulator has filter 67CFR

670FGV 2 2-gauge panel with 3-way

changeover valve; regulator has filter 67CFR 3.5 50 3.5 50 3.8 55

670G 2 Basic 2-gauge panel 67CR 17.2 250 6.9 100 7.6 110

670GV 2 2-gauge panel with 3-way or 4-way

changeover valve 67CR 3.5 50 3.5 50 3.8 55

671 1 Basic 1-gauge panel 912N 17.2 250 0.35 5 0.69 10

675 2 Basic 2-gauge panel 67CR 17.2 250 6.9 100 7.6 110

Table 1. Type Number Description

Taking Out of Service (Shutdown)

WARNING

To avoid personal injury resulting from

sudden release of pressure, isolate

the regulator from all pressure before

attempting disassembly.

Parts List

Key Description

1 Regulator

2 Gauge

3 Panel

4 Clamp Bar

5 Hex Nut

6 Machine Screw

7 Tubing

8 Fitting

9 Fitting

10 Nipple

11 Fitting

12 Tubing

13 Changeover Valve

15 Gauge Service Marking

16 Machine Screw

17 Fitting

18 Valve Dial

19 Machine Screw

20 Tubing

23 Support Post

24 Bleed Orifice and Screen Assembly

25 Serial Plate

26 Hex Nut

27 Fitting

28 Fitting

33 Mounting Post (not shown)

670 Series

30A6617-B

Figure 1. Type 671 Regulator Assemblies

DC2668-D

A1728-1

Figure 2. Type 670GV Regulator Assemblies

INSTRUMENT

LOADING PRESSURE

LBS. PER SQ. IN.

MANUAL

LOADING PRESSURE

LBS. PER SQ. IN.

MANUAL

AUTOMATIC

OFF

OUT

TYPE NO.

SERIAL NO.

18 13 19

110 20 521 16 9

MANUAL

LOADING PRESSURE

IN. OF W.C.

23 4 5 6 7 811 29

670 Series

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[email protected]

Emerson Automation Solutions

For further information on the current

PED revision see Bulletin: D103053X012

or scan the QR code.

Fisher.com

Americas

McKinney, Texas 75070 USA

T +1 800 558 5853

+1 972 548 3574

Europe

Bologna 40013, Italy

T +39 051 419 0611

Asia Pacic

Singapore 128461, Singapore

T +65 6777 8211

Middle East and Africa

Dubai, United Arab Emirates

T +971 4 811 8100

The Emerson logo is a trademark and service mark of Emerson

Electric Co. All other marks are the property of their prospective owners.

Fisher™ is a mark owned by Fisher Controls International LLC, a

business of Emerson Automation Solutions.

The contents of this publication are presented for information purposes

only, and while effort has been made to ensure their accuracy, they are

not to be construed as warranties or guarantees, express or implied,

regarding the products or services described herein or their use or

applicability. All sales are governed by our terms and conditions, which

are available on request. We reserve the right to modify or improve the

designs or specications of our products at any time without notice.

Emerson Process Management Regulator Technologies, Inc does not

assume responsibility for the selection, use or maintenance of any

product. Responsibility for proper selection, use and maintenance of any

Emerson Process Management Regulator Technologies, Inc. product

remains solely with the purchaser.

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