Valve Assembly - Fisher EHD series Instruction Manual

EH Valves NPS 8 through 14
June 2017
Valve Assembly (figures 12, 13, and 14)
Key Description
1 Valve Body
If you need a valve body as a replace‐
ment part, order by valve size, serial
number, and desired material.
2* Cage
3* Valve Plug
4* Valve Plug Stem
5* Pin, stainless steel
For use with 31.8 mm (1‐1/4 inch)
valve plug stem
For use with 50.8 mm (2‐inch)
valve plug stem
6* Seat Ring
7 Seat Ring Cap Screw
8* Piston Ring, graphite
For all EHD valves (3 req'd)
except those with Whisper Trim III
cages
NPS 8 and 10 valves
CL1500
CL1500 high‐temperature
CL2500
CL2500 high‐temperature
NPS 12 and 14 valves
CL1500
CL1500 high‐temperature
CL2500
CL2500 high‐temperature
For EHD valve with Whisper
Trim III cage only (3 req'd for Level
A, B or C and 4 req'd for Level D)
NPS 8 and 10 valves
CL1500
CL1500 high‐temperature
CL2500
CL2500 high‐temperature
NPS 12 and 14 valves
CL1500
CL1500 high‐temperature
CL2500
CL2500 high‐temperature
8* Seal Ring, N10276/PTFE (for use only
with EHT valve)
For valve with other than Whisper
Trim III cage
NPS 8 and 10 valves
CL1500
CL2500
NPS 12 and 14 valves
CL1500
CL2500
For valve with Whisper Trim III cage
NPS 8 and 10 valves
CL1500
CL2500
NPS 12 and 14 valves
CL1500
CL2500
26
Key Description
9* Backup Ring (for use only with
EHT valve)
For valve with other than Whisper Trim III cage
NPS 8 and 10 valves
CL1500
316 stainless steel
416 stainless steel
CL2500
316 stainless steel
416 stainless steel
NPS 12 and 14 valves
CL1500
316 stainless steel
416 stainless steel
CL2500
316 stainless steel
416 stainless steel
For valve with Whisper Trim III cage
NPS 8 and 10 valves
CL1500
316 stainless steel
N06600
17‐4PH stainless steel, H1075
heat‐treated
17‐4PH stainless steel, H1150 dbl
heat‐treated
(for sour gas service)
CL2500
316 stainless steel
N06600
17‐4PH stainless steel, H1075
heat‐treated
17‐4PH stainless steel, H1150 dbl
heat‐treated
(for sour gas service)
NPS 12 and 14 valves
CL1500
316 stainless steel
N06600
17‐4PH stainless steel, H1075
heat‐treated
17‐4PH stainless steel, H1150 dbl
heat‐treated
(for sour gas service)
CL2500
316 stainless steel
N06600
17‐4PH stainless steel, H1075
heat‐treated
17‐4PH stainless steel, H1150 dbl
heat‐treated
(for sour gas service)
10* Retaining Ring, 302 stainless steel (for EHT valve only)
NPS 8 and 10 valves
CL1500
CL2500
NPS 12 and 14 valves
CL1500
CL2500
*Recommended spare parts
Instruction Manual
D100392X012