Vacuum Check Valves by Crispin Valve

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	Check Valves Bronze Cast Iron Disc Ductile Iron Flap Foot Stainless Steel Swing Vacuum Wafer Valves Air Air Release Butterfly Control Foot Globe Relief Vacuum

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Crispin Valve

Berwick, PA

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		Vacuum Relief Valve The Crispin Vacuum Relief allows air to enter the system when a negative pressure occurs, but prevents air from being released under positive conditions, except through an optional small orifice Air Release Valve. Valve Features • Cracks open to admit air at .25 PSIG differential pressure • Resilient drip tight seat • ANSI Class 125 & Class 250 flanged connection Standard Materials • Cast iron body • Bronze and stainless steel trim • Optional materials available Sizes • Sizes 3” thru 36” Request Quote View Literature

		Vacuum Priming Valve Offered for both clean water and dirty water applications, Crispin’s Vacuum Priming Valves are used in conjunction with a vacuum source when priming a centrifugal pump. They prevent liquid from getting to a vacuum source. Valve Features: • Sewage Vacuum Priming Valves feature an elongated body to handle sewage solids Standard Materials: • Offered with 125# and 250 flanged inlets • Cast iron body • Optional backflushing attachment Sizes: • Clean Water: 1” thru 4” • Dirty Water: 2” thru 4” Request Quote View Literature