Description
The Parker 201540 is the 5" piston kit for Parker (Refrigerating Specialties) Type S4W solenoid valves. S4W valves are cast steel, weld-in, pilot-operated solenoid valves for large refrigeration lines.
Key specifications
- Part number: 201540 (piston kit, S4W, 5")
- Contents per Parker's kit table: piston stem assembly, seal ring and adapter-to-body gasket
- S4W valve body: cast steel, ASTM A352 Grade LCB, welds directly in the line
- S4W design pressure (MRP): 400 psig (27.6 bar); MOPD: 300 psig (21 bar)
Common questions
Does this fit the S9W?
No. Parker lists separate S9W piston kits (201543 for 5").
Specifications are based on Parker Refrigerating Specialties Bulletin 30-05A (Types S4W, S9W). 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.
