Description
The Parker 251021 is the 4" adapter/bore plate kit for the Parker (Refrigerating Specialties) CK-2D gas powered suction stop valve. The Parker CK-2D is a dual position, normally open gas powered suction stop valve with an equalization step during defrost, using integrated S6B solenoid pilots, offered in 1-5/8" to 4" port sizes.
Key specifications
- Part number: 251021 (CK-2D adapter/bore plate kit, 4")
- Listed in the Parker CK-2D replacement part kit tables
- Parker notes current adapter/bore plate assemblies are not compatible with components made before February 2020; replace them as a set. The assemblies are compatible with past and present valve bodies.
- Valve ratings: -60°F to 220°F (-51°C to 104°C), maximum rated pressure 406 psig (28 barg)
- Refrigerants listed by Parker: ammonia, R-22, R-134a, R-404A, R-410A and R-507
Common questions
Can I mix this with older bore plate parts?
No. Parker says current adapter/bore plate assemblies are not compatible with components made before February 2020 and should be replaced as a set. They do fit past and present valve bodies.
Specifications are based on Parker Refrigerating Specialties Bulletin 50-24 E (CK-2D Dual Position Gas Powered Suction Stop Valve). Confirm fit, ratings and application requirements before ordering.
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