Instruction Manual
D100348X012
2625 and 2625NS Volume Booster
January 2015
12
Figure 5. Volume Booster with Yoke Mounting Bracket
ATTACH THIS SURFACE
TO ACTUATOR YOKE
A6034‐1
YOKE MOUNTING
BRACKET (KEY 26)
YOKE
MOUNTING
BRACKET
(KEY 26)
Key
Description
13*
O‐Ring
For 2625NS, EPDM
For 2625, nitrile
14*
O‐Ring (2 req'd)
For 2625, nitrile
For 2625NS, EPDM
15
Cap Screw, steel pl (6 req'd)
Standard
With 1/2 NPT vent connection
16
Nameplate, stainless steel
17
Drive Screw, stainless steel (2 req'd)
20
Anti‐seize sealant
21
Lubricant, silicone sealant
22
Thread locking adhesive, mild strength
23
PTFE petroleum‐based lubricant (see note immediately below)
Note
PTFE petroleum‐based lubricant is only for use with 2625. For 2625NS
use a medium grade silicone‐based lubricant.
Key
Description
26
Mounting Bracket
For yoke mounting (see figure 5)
For casing mounting
(Use two brackets, stacked, for seismic mounting)
Diagnostic Connections
FlowScanner
t
diagnostic system hook‐up
Includes pipe tee, pipe nipple, pipe
bushings, connector body, and body
protector.
For diaphragm actuator
SST fittings
Brass fittings
For piston actuator
SST fittings
Brass fittings
Emerson Process Management
Marshalltown, Iowa 50158 USA
Sorocaba, 18087 Brazil
Chatham, Kent ME4 4QZ UK
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
1997, 2015 Fisher Controls International LLC. All rights reserved.
Fisher, FIELDVUE, and FlowScanner are marks owned by one of the companies in the Emerson Process Management business unit of Emerson Electric Co.
Emerson Process Management, 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 Process Management, 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.