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Parker PWBA38227 - Air Preparation Accessories - Blocking Valves

The blocking valve, rated to 150 psi, is a single acting spring return 2/2 valve. The device requires a pneumatic pilot signal to open. When the pilot signal is removed, the internal spring will close the blocking valve, bubble tight.

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Brand Parker

Part No. PWBA38227

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Products specifications

Attribute name	Attribute value
Media	Inert Gases filtered to 50 micron	Body Material	Zinc Alloy
Division	Pneumatic Division	Operational Life	10 Million Cycles
Operating Temperature	5 to 140	Operating Pressure	0 to 150
Port Size	1/2	Maximum Operating Frequency	10
Port Size (inch)	1/2	Connection Type	Threaded Connections & Pilot Port
Connection Tube O.D. (inch)	N/A	Port Type	NPT
Pilot Connection Inlet	1/8" Pipe

Product resources

Literature and Reference Materials

Telepneumatic: Pneumatic Logic & Controls - Catalog PCC-4/USA (PDF)