Fisher EWS Series Instruction Manual page 27

Through nps 12x8
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Instruction Manual
Form 2376
March 2007
HIGH-SEAL and ENVIRO-SEAL Packing
Retrofit Kits
Retrofit kits include parts to convert valves with
existing standard bonnets to the HIGH-SEAL or
ENVIRO-SEAL packing box construction. Refer to
figure 17 for key numbers for HIGH-SEAL packing.
For ENVIRO-SEAL packing, refer to figure 18 for
PTFE packing key numbers, figure 19 for Graphite
HIGH-SEAL Packing Retrofit Kits
Stem Diameter, mm (Inches)
Yoke Boss Diameter, mm (Inches)
4200 psi Process Pressure Rating (Contains
keys 200 through 212)
ENVIRO-SEALr Packing Retrofit Kits
Stem Diameter, mm (Inches)
Yoke Boss Diameter, mm (Inches)
Double PTFE (Contains keys 200, 201, 211,
212, 214, 215, 217, 218, tag, cable tie)
Graphite ULF (Contains keys 200, 201, 207,
208, 209, 210, 211, 212, 214, 217, tag, cable
tie)
Duplex (Contains keys 200, 201, 207, 209,
211, 212, 214, 215, 216, 217, tag, cable tie)
ENVIRO-SEAL Packing Repair Kits
Repair kits include parts to replace the "soft" packing
materials in valves that already have ENVIRO-SEAL
packing arrangements installed or in valves that
have been upgraded with ENVIRO-SEAL retrofit kits.
Refer to figure 18 for key numbers for PTFE
packing, figure 19 for key numbers for Graphite ULF
ENVIRO-SEALr Packing Repair Kits
Stem Diameter, mm (Inches)
Yoke Boss Diameter, mm (Inches)
Double PTFE (Contains keys 214, 215, 218)
Graphite ULF (Contains keys 207, 208, 209,
210, 214)
Duplex (Contains keys 207, 209, 214, 215)
ULF packing key numbers, and figure 20 for duplex
packing key numbers.
Stems and packing box constructions that do not
meet Emerson Process Management stem finish
specifications, dimensional tolerances, and design
specifications, may adversely alter the performance
of this packing kit.
12.7 (1/2)
19.1 (3/4)
71 (2-13/16)
90 (3-9/16)
11B2182X052
11B2184X052
12.7 (1/2)
19.1 (3/4)
71 (2-13/16)
90 (3-9/16)
RPACKXRT022
RPACKXRT032
RPACKXRT272
RPACKXRT282
RPACKXRT222
RPACKXRT232
packing, and figure 20 for key numbers for duplex
packing.
Stems and packing box constructions that do not
meet Emerson Process Management stem finish
specifications, dimensional tolerances, and design
specifications, may adversely alter the performance
of this packing kit.
12.7 (1/2)
19.1 (3/4)
71 (2-13/16)
90 (3-9/16)
RPACKX00202
RPACKX00212
RPACKX00602
RPACKX00612
RPACKX00302
RPACKX00312
EW Valve
25.4 (1)
31.8 (1-1/4)
127 (5)
127 (5, 5H)
11B2187X052
11B2189X052
25.4 (1)
31.8 (1-1/4)
127 (5)
127 (5, 5H)
RPACKXRT042
RPACKXRT052
RPACKXRT292
RPACKXRT302
RPACKXRT242
RPACKXRT252
25.4 (1)
31.8 (1-1/4)
127 (5)
127 (5, 5H)
RPACKX00222
RPACKX00232
RPACKX00622
RPACKX00632
RPACKX00322
RPACKX00332
27

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