Emerson FISHER 627F User manual

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:

Type 627F Instruction Manual, D101545X012.

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

DN 20, 25 / NPS 3/4, 1 SEP 1

DN 50 / NPS 2 II

Specifications

Body Sizes and End Connection Styles

Ductile Iron: 3/4, 1 or 2 NPT

Steel: 3/4, 1 or 2 NPT; DN 25 or 50 / NPS

1 or 2, CL150 RF, CL300 RF, CL600 RF,

PN 16/25/40 RF Flanged

Maximum Inlet and Differential Pressures(1)

See Table 1

Minimum Pressure Differential

1.4 bar d / 20 psid

Maximum Emergency Outlet Pressure(1)

17.2 bar / 250 psig for all Type 627F actuators and

Type 6351F pilot components

Outlet Pressure Ranges

0.34 to 6.9 bar / 5 to 100 psig

Proof Test Pressure

All Pressure Retaining Components have been

proof tested per Directive.

Temperature Capabilities(1)

-29 to 82°C / -20 to 180°F

Installation

WARNING

Only qualied 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 uid 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 uid 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

Specications 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

uid. 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 anged bodies, use suitable

line gaskets and approved piping and bolting practices.

Install the regulator in any position desired, unless

otherwise specied, but be sure ow through the body

is in the direction indicated by the arrow on the body.

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

Type 627F

Installation Guide

D101545X014

English – April 2012

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

tra󰀩c 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.

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.

Regular 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 shuto󰀨 valves.

Adjustment

To change the set 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.

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.

Table 1. Maximum Allowable Inlet Pressures and Pressure Differential

*Recommended spare part.

ORIFICE SIZE MAXIMUM INLET PRESSURE MAXIMUM PRESSURE DIFFERENTIAL

mm In. bar psig bar psig

9.5 x 3.2

9.5 x 6.3

9.5

3/8 x 1/8

3/8 x 1/4

3/8

1/2

17.2

8.6

250

125

17.2

8.6

250

125

Parts List

Type 627F

Key Description

1 Body

2* Orice

3 Cap Screw

4* Diaphragm Case O-ring

5 Diaphragm Case

6 Boost Body

7* O-ring

8 Stem Guide

9* Disk Assembly

10 Stem

11* Stem O-ring

12* Stem Backup Ring

13 Hair Pin Clip

14 Drive Pin

15 Lever

16 Lever Retainer

17 Lever Pin

18 Lever Cap Screw

19A Pusher Post

19B Drive Pin

23* Diaphragm

24 Diaphragm Head

29 Spring Case

31 Lower Spring Seat

32 Tension Spring

34 Locknut

36 Closing Cap

37 Spring Case Cap Screw

39 Nameplate

53 Spring Retainer

54 Diaphragm Connection

55* Gasket

56 Reducing Nipple

58 Pipe Plug

59 Elbow (optional)

60 Pilot Supply Tubing (optional)

61 Spring Seat Bolt

62 Washer

63* Closing Cap Gasket

67 Drive Screw

Type 6351F

Key Description

1 Body Assembly

2 Spring Case

3 Body Plug Assembly

4* Inner Valve Plug

6* Valve Spring

7* Diaphragm Assembly

8 Upper Spring Seat

9 Control Spring

10 Adjusting Screw

11 Locknut

12 Machine Screw

22 Pipe Nipple

23 Body Plug Gasket

24 Filter, Type P594-1 (optional)

28 Closing Cap

35 Vent Assembly,

Type Y602X1-A12

44 Restriction

Type 627F

Figure 1. Type 627F Main Regulator Assembly

32B3310_E

9131211161714

APPLY LUBRICANT(1)

L1 = MULTI-PURPOSE NLGI GRADE 1 GREASE*

L2 = ANTI-SEIZE COMPOUND

1. Lubricants must be selected such that they meet the temperature requirements.

*NLGI is the National Lubricating Grease Institute.

Type 627F

Figure 2. Type 6351F Pilot Assembly

32B3797_D

Type 627F

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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 e󰀨ort 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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