ASCO 8221HW Series Solenoid pilot operated valve

Manufacturer: ASCO

Slow Closing / Anti-Water Hammer - 3/8" - 2 1/2"

Solenoid pilot operated valves available in normally closed and normally open constructions. Available either AC or DC operated with brass bodies. Designed to effectively reduce damage caused by water hammer.

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Features Model

Pilot operated, normally open or normally closed
Snubber slows disc closing speed to protect system against water hammer damage more effectively than other techniques
Pressure spike due to water hammer is reduced to a point eliminating the need for suppressors or other controls in most water systems
Fluid Controls Institute Inc. evaluations have classified these valves:
Pipe Sizes FCI-82-1 Class
3/8", 1/2", 3/4" CC
1", 1 1/4", 1 1/2", 2", 2 1/2" BB

Mfr. Part No.	Description
8221G001 HW	Pipe Size(NPT):1/2; Orifice Size (in):5/8;CV Flow Factor (Cv):4.00
8221G003 HW	Pipe Size(NPT):3/4; Orifice Size (in):5/8;CV Flow Factor (Cv):5.00
8221G007 HW	Pipe Size(NPT):1; Orifice Size (in):1;CV Flow Factor (Cv):13.00
8221G011 HW	Pipe Size(NPT):3/8; Orifice Size (in):5/8;CV Flow Factor (Cv):3.00

ASCO 8221HW Series Solenoid pilot operated valve

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