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Instruction Manual

D103542X012

SS-263 Volume Booster

September 2019

12

Parts Kits

Table 2. Parts Kits

Description

Key Number Included in Kit

Part Number

Diaphragm Assembly Kit (key 4)

4A, 4B, 4C, 4D (qty 2), 4E, 4F, 4H, 4J (qty 2)

RSS263X0012

O-Ring Kit

5D, 5H, 9, 22 (qty 2), 30

RSS263X0022

Parts List 
(figures 4, 5, 6, and 7)

Note

For part numbers not shown, contact your 

Emerson sales office

.

Key

Description

Part Number

1

Body Assembly,  Aluminum

2

Diaphragm Spacer Assembly, Aluminum

3

Spring Case Assembly, Aluminum

4*

Diaphragm Assembly, Aluminum/Nitrile/Nylon

see parts kit

4A

Orifice

see parts kit

4B

Lower Diaphragm

see parts kit

4C

Upper Diaphragm

see parts kit

4D

Diaphragm Plate (2 req'd)

see parts kit

4E

Exhaust Diffuser

see parts kit

4F

Spring Seat

see parts kit

4H

O-ring

see parts kit

4J

O-ring (2 req'd)

see parts kit

5*

Valve Assembly, Brass/Nitrile

GE47600X012

5A

Seat Ring

5B*

Lower Valve and Stem Assembly

GE47594X012

5C*

Upper Valve

1V198470972

Key

Description

Part Number

5D*

O-Ring

see parts kit

5E

Flange Hex Nut

5F

Lower Guide

5H*

O-Ring

see parts kit

5J

Lower Spring

6

Upper Spring

7

Restriction

8

Hex Nut

9*

O-Ring

see parts kit

10

Cap Screw

15

Nameplate

16

Drivescrew

17

Sealant, anti-seize

18

Lubricant, silicone based

21

Pipe Plug

22*

O-Ring

see parts kit

28

Hex Pipe Bushing

29

Mounting Adaptor

30*

O­ring

see parts kit

31

Stud (2 req’d)

32

Hex Nut (2 req’d)

33

Lock Washer (2 req’d)

34

1­1/4 NPT Pipe Elbow

*Recommended spare parts

Emerson Automation Solutions 

Marshalltown, Iowa 50158 USA
Sorocaba, 18087 Brazil
Cernay 68700 France
Dubai, United Arab Emirates
Singapore 128461 Singapore

www.Fisher.com

The contents of this publication are presented for informational purposes only, and while every 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 upon request. We reserve the right to modify or improve the designs or specifications of such
products at any time without notice.

E

 

2011, 2019 Fisher Controls International LLC. All rights reserved.

Fisher is a mark owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. Emerson Automation Solutions,
Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are the property of their respective owners.

Neither Emerson, Emerson Automation Solutions, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance
of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.

Summary of Contents for Fisher SS-263

Page 1: ...is important to carefully read understand and follow all the contents of this manual including all safety cautions and warnings If you have any questions about these instructions contact your Emerson sales office before proceeding Description The SS 263 volume booster is used exclusively in Fisher Optimized Digital Valve ODV packages The booster amplifies the output signal from the FIELDVUE digita...

Page 2: ... the PED Directive 2014 68 EU It was designed and manufactured in accordance with Sound Engineering Practice SEP and cannot bear the CE marking related to PED compliance However the product may bear the CE marking to indicate compliance with other applicable European Community Directives Approximate Weight Aluminum 3 6 kg 8 lbs Stainless Steel 10 8 kg 24 lbs NOTE Specialized instrument terms are d...

Page 3: ...ry due to bursting of pressure containing parts or explosion of accumulated gas Check with your process or safety engineer for any additional measures that must be taken to protect against process media Note Do not use separate pressure supplies for the volume booster and associated positioner The volume booster may not exhaust immediately upon loss of a separate pressure supply However if the sys...

Page 4: ...ter Sectional View BYPASS RESTRICTION ADJUSTING SCREW SUPPLY PORT OUTPUT TO ACTUATOR BYPASS RESTRICTION INPUT SIGNAL SUPPLY DIAPHRAGM ASSEMBLY EXHAUST PASSAGES INPUT DIAPHRAGM FEEDBACK DIAPHRAGM NOISE ATTENUATING TRIM 3 IN 1 CONNECTION X0206 MOUNTING ADAPTOR AUXILIARY SUPPLY CONNECTION QTY 2 ...

Page 5: ...pe elbow key 34 3 Install O ring key 30 into the groove in the mounting adaptor key 29 4 Using studs key 31 lock washers key 33 and hex nuts key 32 mount the SS 263 onto the actuator Tighten hex nuts key 32 to 50 ft lbs Pressure Connections The input signal connection is 1 4 NPT the supply connection is 1 NPT and the output connection is 1 NPT or 1 1 4 NPT depending on application Ensure that the ...

Page 6: ...iple of Operation Refer to figure 3 Because of the restriction large input signal changes register on the booster input diaphragm sooner than in the actuator A large sudden change in the input signal causes a pressure differential to exist between the input signal and the feedback diaphragm of the booster When this occurs the diaphragms move to open either the supply port or the exhaust port which...

Page 7: ...gm assembly key 4 4 Replace the two O rings key 22 5 Carefully install the diaphragm assembly key 4 into the diaphragm spacer assembly key 2 by folding the upper diaphragm key 4C inward Rotate the diaphragm assembly key 4 until the oversized hole in each diaphragm aligns with the flow passage in the diaphragm spacer assembly key 2 6 Install the diaphragm assembly key 4 and the diaphragm spacer ass...

Page 8: ...ring key 5J Remove the lower valve and stem key 5B from the seat ring key 5A 6 Insert the replacement lower valve and stem key 5B into the seat ring key 5A and install the hex nut key 5E on the stem 7 Replace the O ring key 5H and apply lubricant key 18 to both the O ring key 5H and the guide bore of the lower guide key 5F 8 Install the lower spring key 5J and the lower guide key 5F Tighten to 61 ...

Page 9: ...your Emerson sales office about this equipment mention the serial number of the valve assembly This serial number can be found on the actuator nameplate It may also be helpful to mention the date and other information on the volume booster nameplate as shown in figure 2 When ordering replacement parts state the complete eleven digit part number of each part required as found in the following parts...

Page 10: ...Instruction Manual D103542X012 SS 263 Volume Booster September 2019 10 Figure 6 Volume Booster Assembly Drawing APPLY LUB SEALANT GE49000 A ...

Page 11: ...Instruction Manual D103542X012 SS 263 Volume Booster September 2019 11 Figure 7 Volume Booster Assembly with Mounting Adaptor GE56173 A ...

Page 12: ...shing 29 Mounting Adaptor 30 O ring see parts kit 31 Stud 2 req d 32 Hex Nut 2 req d 33 Lock Washer 2 req d 34 1 1 4 NPT Pipe Elbow Recommended spare parts Emerson Automation Solutions Marshalltown Iowa 50158 USA Sorocaba 18087 Brazil Cernay 68700 France Dubai United Arab Emirates Singapore 128461 Singapore www Fisher com The contents of this publication are presented for informational purposes on...

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