Description
The Parker 201542 is the piston kit for S4W solenoid valves and A4W/A4WOE regulators, 8" port. Parker lists it in the parts kit tables for its S4W and S9W weld-in solenoid valves, 5" through 8" port sizes.
Parker describes the S4W and S9W as cast steel (ASTM A352 Grade LCB) pilot-operated solenoid valves; the S4W needs at least 3 psi pressure drop to open, while the S9W uses an external higher-pressure gas source and needs no minimum pressure drop.
Key specifications
- Parker part number: 201542
- Kit: piston kit
- Listed for: S4W solenoid valves and A4W/A4WOE regulators, 8" port
- Contents per Parker kit table: the piston stem, seal ring and gasket
- S4W/S9W maximum rated pressure: 400 psig (27.6 bar)
- S4W/S9W maximum opening pressure differential: 300 psig (20.7 bar)
- S4W/S9W fluid temperature range: -50°F to 220°F (-45°C to 105°C)
Common questions
What does the kit include?
Parker lists the piston stem, seal ring and gasket.
How do I confirm the right size?
Parker kits are matched to the valve port size. Check the port size on the valve nameplate before ordering.
Specifications are based on Parker Refrigerating Specialties Bulletin 30-05A (Types S4W and S9W Solenoid Valves). 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.
