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Bronze Spring-Loaded Vacuum Check Valves - Series 1000

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Engineered for Precision Service

  • SILICONE RUBBER SEATS FOR MAXIMUM HEAT RESISTANCE (500°F)
  • DU PONT VITON-A SEATS FOR MAXIMUM RESISTANCE TO  HEAT AND OILS AVAILABLE AT SLIGHT ADDITIONAL COST
  • CAST BRONZE GLOBE BODIES FOR STRENGTH AND LONG LIFE
  • CAPS MACHINED FROM HEX BRASS STOCK FOR TIGHT SEAL
Designed for use on air compressors, gas pumps or any application on water, oil, or gas lines where a positive acting, no-leak check valve is required.
Each valve is individually tested after machining to guarantee perfect seating and pipe concentricity. 
Special seat discs available for hot water, steam or higher pressure air.
The internal port opening is full pipe size offering no restriction to the passage of air. Valves open on less than 2 p.s.i. and seal tight (zero leakage) against back pressure.
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NOTE: Bleeder tapping available on all sizes at slight additional cost by adding "B" to Cat. No. when ordering.

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