Description
The Parker 204474 is the O-ring stem packing kit for 5" to 8" Parker (Refrigerating Specialties) hand shut-off valves. It renews the stem seal so the valve can be repacked rather than replaced.
Key specifications
- Part number: 204474 (O-ring packing kit, 5" to 8" valves)
- Listed in the Parker 80-01 L replacement part kit tables for hand shut-off valves
- Hand valves use a dual O-ring stem packing in a carbon-filled PTFE carrier, plus a backup packing seal
- Parker notes the O-ring cartridge typically means the packing nut does not need loosening to operate the valve
- Parker hand shut-off valves use cast steel (A-352 LCB) bodies, stainless steel stems and bolt-on bonnets, rated to 400 psig (27.6 bar) for ammonia, R-22, R-507, R-134a and other common refrigerants.
Common questions
How do I choose the right size?
Parker groups hand valve parts by port size. Check the size and connection type on the valve tag and match it to the 80-01 L replacement parts tables.
Specifications are based on Parker Refrigerating Specialties Bulletin 80-01 L (Hand Shut-Off Valves) 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.
