Instruction Manual
D251400X012
8510B Valve (EMA)
November 2011
20
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 valve, because they may void your warranty, might adversely affect the
performance of the valve, and could cause personal injury and property damage.
Parts Kits
Retrofit Kits for ENVIRO-SEAL Packing
Retrofit kits are available for replacing the packing in an existing valve with an ENVIRO-SEAL packing system. These kits
are available for single PTFE or graphite packing. All parts required for installation of the ENVIRO-SEAL packing system
into an existing 8510B control valve are included in the kits. Select two kits, one for the actuator end of the valve and
one for the outboard end.
Worn shafts, packing box damage, or other components that do not meet Emerson Process Management finish
specifications, dimensional tolerances, and design specifications, may adversely alter the performance of the retrofit
kit.
ENVIRO-SEAL Packing System Retrofit Kits for Splined Shafts
SHAFT DIAMETER SINGLE PTFE PACKING GRAPHITE PACKING
mm Inches ForActuatorEndPackingBox For Outboard End Packing Box ForActuatorEndPackingBox For Outboard End Packing Box
12.7
15.9
19.1
1/2
5/8
3/4
RRTYXRT0012
RRTYXRT0022
RRTYXRT0032
RRTYXRT0082
RRTYXRT0092
RRTYXRT0102
RRTYXRT0312
RRTYXRT0322
RRTYXRT0332
RRTYXRT0382
RRTYXRT0392
RRTYXRT0402
25.4
31.8
38.1
1
1-1/4
1-1/2
RRTYXRT0052
RRTYXRT0062
RRTYXRT0072
RRTYXRT0112
RRTYXRT0122
RRTYXRT0132
RRTYXRT0352
RRTYXRT0362
RRTYXRT0372
RRTYXRT0412
RRTYXRT0422
RRTYXRT0432
ENVIRO-SEAL Packing System Retrofit Kits for Double D End Connection with Anti-Blowout Shaft
SHAFT DIAMETER SINGLE PTFE PACKING GRAPHITE PACKING
mm Inches ForActuatorEndPackingBox For Outboard End Packing Box ForActuatorEndPackingBox For Outboard End Packing Box
12.7
15.9
19.1
1/2
5/8
3/4
RRTYXRT0972
RRTYXRT0982
RRTYXRT0992
RRTYXRT0082
RRTYXRT0092
RRTYXRT0102
RRTYXRT1072
RRTYXRT1082
RRTYXRT1092
RRTYXRT0382
RRTYXRT0392
RRTYXRT0402
25.4
31.8
38.1
1
1-1/4
1-1/2
RRTYXRT1012
RRTYXRT1022
RRTYXRT1032
RRTYXRT0112
RRTYXRT0122
RRTYXRT0132
RRTYXRT1102
RRTYXRT1112
RRTYXRT1122
RRTYXRT0412
RRTYXRT0422
RRTYXRT0432
Repair Kits for ENVIRO-SEAL Packing
Repair kits for ENVIRO-SEAL PTFE packing include one packing set and two anti-extrusion washers. Repair kits for
ENVIRO-SEAL graphite packing include two packing rings and two anti-extrusion rings. A quantity of two of the
appropriate kit is required to repair both ends of the valve.
Worn shafts, packing box damage, or other components that do not meet Emerson Process Management finish
specifications, dimensional tolerances, and design specifications, may adversely alter the performance of the repair
kit.
(78 pages)
(184 pages)
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