Description
The Parker 205237 is the knob kit for S4W/S9W solenoid valves. 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: 205237
- Kit: knob kit
- Listed for: S4W/S9W solenoid valves
- Contents per Parker kit table: the knob and O-ring
- 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 knob and O-ring.
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.
