background image

Figure 1.

 Type SR8 Sanitary Regulator  

Assembly Drawing (continued)

APPLY SEALANT (S)

(1)

:

S2 = HIGH TEMPERATURE AND MEDIUM STRENGTH THREADLOCKER SEALANT

1. Lubricant and sealant must be selected such that they meet the temperature requirements.

VIEW B – METAL DIAPHRAGM STANDARD REGULATOR

SOFT SEAT OPTION

26

S2

28

27

15

14

9

6

6

1

7

Parts List 

Key   Description 

1  

Body

2  

Plug (metal seat)

3  

Plug O-ring

4  

Diaphragm Plate O-ring

5  

Piston Ring

6  

Diaphragm Gasket

7  

Diaphragm

8  

Lower Spring Seat

9  

Guide Ring

10  

Diaphragm Plate

11  

Upper Spring Seat

12  

Spring 

13  

Spring 

14  

Spring Case

15  

Bolted Clamp

16  

Hex Nut

17  

Hex Nut

18  

Adjusting Screw

19  

Closing Cap

20 

Flow Arrow (not shown)

21 

Nameplate (not shown)

22  

Locking Lever

23  

Flat Washer

24  

Lock Washer

25 

Sealing Washer

26 

Upper Plug

27  

Lower Plug

28  

Soft Seat

29 

Drive Screw (not shown)

32 

Guide Ring Seal

Type SR8

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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 Pacific

 

Singapore 128461, Singapore 

T  +65 6777 8211

Middle East and Africa 

Dubai, United Arab Emirates 

T  +971 4 811 8100

D103100X014 © 2004, 2019 Emerson Process Management Regulator 

Technologies, Inc. All rights reserved. 03/19. 

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 specifications 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.

Summary of Contents for FISHER SR8

Page 1: ...cess 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 backpressure regulator is ov...

Page 2: ...lator is factory set at approximately the midpoint of the spring range or the set pressure requested so an initial adjustment may be required to give the desired results With proper installation completed slowly open the upstream and downstream shutoff valves Adjustment To change the pressure setting remove the closing cap or loosen the locknut and turn the adjusting screw or handwheel clockwise t...

Page 3: ...DM EPDM 28 to 135 20 to 275 SST Polytetrafluoroethylene PTFE Fluorocarbon FKM 1 6 to 204 20 to 400 PTFE Fluorocarbon FKM PTFE Fluorocarbon FKM 6 to 204 20 to 400 Soft PTFE Stainless Steel EPDM EPDM 28 to 65 20 to 150 SST PTFE Fluorocarbon FKM 1 6 to 65 20 to 150 PTFE Fluorocarbon FKM PTFE Fluorocarbon FKM 6 to 65 20 to 150 Soft Polyether Ether Ketone PEEK Stainless Steel EPDM EPDM 28 to 135 20 to ...

Page 4: ...inney Texas 75070 USA T 1 800 558 5853 1 972 548 3574 Europe Bologna 40013 Italy T 39 051 419 0611 Asia Pacific Singapore 128461 Singapore T 65 6777 8211 Middle East and Africa Dubai United Arab Emirates T 971 4 811 8100 D103100X014 2004 2019 Emerson Process Management Regulator Technologies Inc All rights reserved 03 19 The Emerson logo is a trademark and service mark of Emerson Electric Co All o...

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