Description
The Parker 201572 is the bolt/O-ring kit for the A2D pressure pilot on 1-1/4" to 4" Parker (Refrigerating Specialties) CK-5 gas powered suction stop valves. The Parker CK-5 is a piston-type, normally open gas powered suction stop valve for low-temperature overfeed and flooded systems; Parker designs it to remain fail-safe if power fails during defrost.
Key specifications
- Part number: 201572 (A2D bolt/O-ring kit)
- Contents per item list: A2D bolts (4) and O-rings (2)
- A2D bolts: 1/4"-20 x 1-1/4" hex head, grade 5 zinc-plated steel; O-rings: neoprene
- Parker kit list description: BLT KT,A2D
- 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
How do I confirm the right kit?
Match the valve model and port size on the nameplate to the Parker replacement part kit tables, and check the part number before ordering.
Specifications are based on Parker Refrigerating Specialties Bulletin 50-23 D (CK-5 Gas Powered Suction Stop Valve) and the Parker R/S Parts Kits list PK-16. Confirm fit, ratings and application requirements before ordering.
Disclaimer: The image shown is a general representation of the product category and may not depict the exact part number offered. Actual product appearance, specifications, and configuration may vary.
