Emerson Fisher 2625NS Instruction Manual - Page 11
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Instruction Manual
D100348X012
Parts Ordering
Whenever corresponding with your Emerson Process Management sales office about this equipment, mention the
serial number of the volume booster. This serial number can be found on the nameplate (key 16, figure 4).
WARNING
Use only genuine Fisher replacement parts. Components that are not supplied by Emerson Process Management should
not, under any circumstances, be used in any Fisher instrument. The use of components not manufactured by Emerson
Process Management may void your warranty, might adversely affect the performance of the instrument, and could cause
personal injury and property damage.
Parts Kits
Description
Repair kits for diaphragms (for 2625 only)
[Kit contains keys 5, 6, 13, 14]
For boosters with 3/32 inch exhaust
For boosters with 3/8 inch exhaust
For boosters with 1/2 inch exhaust
Repair kits for valve assemblies (for 2625 only)
[Kit contains key 7]
For boosters with 3/8 inch supply
For boosters with 1/2 inch supply
Parts List (figure 4)
Key
Description
1
Body, Aluminum
2
Diaphragm Spacer
Aluminum
Aluminum with 1/2 NPT vent connection
3
Spring Case Assembly, Aluminum/heat‐treated 440 stainless steel
4
Body Cap
Brass
316 SST
5*
Diaphragm Assembly
For 2625
Nitrile on nylon diaphragm
With brass blocked exhaust
With brass 2.4mm (0.094 inch) exhaust
With brass 9.5mm (0.375 inch) exhaust
With brass 12.7mm (0.5 inch) exhaust
For 2625NS
EPDM/meta‐aramid,
With 9.5 mm (0.375 inch) exhaust
With 12.7 mm (0.5 inch) exhaust
*Recommended spare parts
Part Number
Key
6*
R2625D33212
R2625D38012
R2625D12012
7*
R2625V38012
R2625V12012
7A* Seat Ring, Brass
7B* Lower Valve and Stem
7C* Upper Valve
7D* Valve O‐Ring
7E
8
9
10
11
12
2625 and 2625NS Volume Booster
Description
Upper Diaphragm
For 2625, nitrile on nylon
For 2625NS, EPDM/meta‐aramid
Valve Assembly, (includes keys 7A, 7B, 7C, 7D, and 7E)
For 2625, Brass/nitrile
9.5 mm (0.375 inch) supply port
12.7 mm (0.5 inch) supply port
For 2625NS
9.5 mm (0.375 inch) supply port
12.7 mm (0.5 inch) supply port
9.5 mm (0.375 inch) supply port
12.7 mm (0.5 inch) supply port
For 2625, Aluminum/nitrile/SST
For 2625NS
For 2625, Aluminum/nitrile
For 2625NS
For 2625, nitrile
For 2625NS, EPDM
Hex Nut, steel pl
Upper Spring, steel pl
For 2.8 bar (40 psig) max. supply pressure
For 10.3 bar (150 psig) max. supply pressure
Spring Seat, SST
Lower Spring, steel pl
For 2.8 bar (40 psig) max. supply pressure
For 10.3 bar (150 psig) max. supply pressure
Restriction, SST
Hex Nut, steel pl
January 2015
11