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Parker PWBA1412 - 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. PWBA1412

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Products specifications

Attribute name	Attribute value
Operating Pressure	0 to 150	Maximum Operating Frequency	10
Media	Inert Gases filtered to 50 micron	Division	Pneumatic Division
Body Material	Zinc Alloy	Operating Temperature	5 to 140
Operational Life	10 Million Cycles	Port Size	1/2
Connection Tube O.D. (inch)	12	Port Type	BSPP
Port Size (inch)	1/2	Connection Type	Instant Tube Fittings
Pilot Connection Inlet	4 mm Tube

Product resources

Literature and Reference Materials

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