Instruction Manual
EH Valve (1 1/2x1 through 8x6)
October 2006
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21B2120-A A7132 / IL
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Figure 21. NPS 3 to 6 Fisher EHT Valve Using PEEK Anti-Extrusion Rings Keys 5*, 8*, 9*, 10*, and 63* Fisher EHT Above 450_F (232_C) Using PEEK(1) Anti-Extrusion Rings (see figure 21) VALVE SIZE, NPS
KEY 63
KEY 8
KEY 9
KEY 10
KEY 3
Anti-Extrusion Ring
Seal Ring
Back-Up Ring
Retaining Ring
Anti-Extrusion Valve Plug
Inches
PEEK
N10276/PTFE
S41600
S30200
S41600
mm
Inches
10A4215X032 10A4215X032 10A4215X032
10A4217X012 10A4217X012 10A4217X012
10A4219X012 10A4219X012 10A4219X012
31B2148X012 31B2149X012 31B2150X012
12.7 19.1 25.4
1/2 3/4 1
PORT DIAMETER
TRIM
mm
STEM CONNECTOR DIAMETER
3
Std, Whisper III
73.0
2.875
22B2617X012 22B2617X012 22B2617X012
4
Std, Whisper III A,B,C
92.1
3.625
21B2115X012 21B2115X012
16A5485X062 16A5485X062
16A5483X012 16A5483X012
16A5484X012 16A5484X012
31B2151X012 31B2152X012
19.1 25.4
3/4 1
4
Whisper III D
73.0
2.875
22B2617X012 22B2617X012
10A4215X032 10A4215X032
10A4217X012 10A4217X012
10A4219X012 10A4219X012
31B2102X012 31B2103X012
19.1 25.4
3/4 1
10A5409X012 10A5409X012 10A5409X012 10A5409X012
10A5410X012 10A5410X012 10A5410X012 10A5410X012
31B2153X012 31B2154X012 31B2155X012 31B2156X012
19.1 25.4 31.8 50.8
3/4 1 1-1/4 2
50.8
2
25.4 31.8
1 1-1/4
25.4 31.8
1 1-1/4
6
Std
DIA B DIA B DIA B DIA B
136.5
5.375
21B9342X012 21B9342X012 21B9342X012 21B9342X012
10A5411X032 10A5411X032 10A5411X032 10A5411X032
PEEK
N10276/PTFE
S41600
S30200
S17400 H900
6
Std
Diverter
136.5
5.375
21B9342X012
10A5411X032
10A5409X012
10A5410X012
31B2131X012
6
Whisper III A,B,C
6
Whisper III D
136.5
111.1
PEEK
N10276/PTFE
S41600
S30200
S17400 H900/Diverter
5.375
21B9342X012 21B9342X012
10A5411X032 10A5411X032
10A5409X012 10A5409X012
10A5410X012 10A5410X012
31B2132X012 31B2133X012
PEEK
N10276/PTFE
S41600
S30200
S17400 H900
4.375
21B9341X012 21B9341X012
10A4223X032 10A4223X032
10A4224X012 10A4224X012
10A4225X012 10A4225X012
31B2134X012 31B2135X012
1. PolyEtherEtherKetone.
Key 11* Cage Gasket (2 req’d) VALVE BODY RATING, CLASS
2500
*Recommended spare parts
VALVE SIZE, NPS 1 1/2 x 1, 2 x 1 3x2 3, 4 x 3 4, 6 x 4 6, 8 x 6
MATERIAL N04400, Silver Plated
N04400, Tin Plated For NACE MR0175-2002
26A5316X012 26A5318X012 26A5320X012 26A5322X012 29A9219X012
26A5316X022 26A5318X022 26A5320X022 26A5322X022 29A9219X022
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