Emerson Fisher 2625NS Manual de instruções - Página 12
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2625, 2625SST, and 2625NS Volume Booster
September 2022
Parts List (figure 4)
Note
Contact your
Emerson sales office
Key
Description
1
Body
2
Diaphragm Spacer
3
Spring Case Assembly
4
Body Cap
5*
Diaphragm Assembly
For 2625
With blocked exhaust
With 2.4 mm (0.094 inch) exhaust
With 9.5 mm (0.375 inch) exhaust
With 12.7 mm (0.5 inch) exhaust
For 2625SST
With 9.5 mm (0.375 inch) exhaust
With 12.7 mm (0.5 inch) exhaust
For 2625NS
With 9.5 mm (0.375 inch) exhaust
With 12.7 mm (0.5 inch) exhaust
6*
Upper Diaphragm
For 2625 and 2625SST
For 2625NS
7*
Valve Assembly (includes keys 7A, 7B, 7C, 7D, and 7E)
7A* Seat Ring
9.5 mm (0.375 inch) supply port
12.7 mm (0.5 inch) supply port
7B* Lower Valve and Stem
For 2625 and 2625SST
For 2625NS
7C* Upper Valve
For 2625 and 262SST
For 2625NS
7D* Valve O‐Ring
For 2625 and 2625SST
For 2625NS
12
for Part Ordering information.
Key
Description
7E
Hex Nut
8
Upper Spring
9
Spring Seat
10
Lower Spring
11
Restriction
12
Hex Nut
13*
O‐Ring
For 2625 and 2625SST
For 2625NS
14*
O‐Ring (2 req'd)
For 2625 and 2625SST
For 2625NS
15
Cap Screw (6 req'd)
Standard
With 1/2 NPT vent connection
16
Nameplate
17
Drive Screw (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 and 2625SST.
For 2625NS use a medium grade silicone‐based lubricant.
26
Mounting Bracket
For yoke mounting (see figure 5 and 6)
For casing mounting (see figure 7)
(Use two brackets, stacked, for seismic mounting)
Diagnostic Connections
FlowScannert diagnostic system hook‐up
Includes pipe tee, pipe nipple, pipe
bushings, connector body, and body
protector.
For diaphragm actuator
For piston actuator
*Recommended spare parts
Instruction Manual
D100348X012