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Air Systems
  1. Circle Seal 559B-1M-173 500 Series Relief Valve - 1/8 in. MNPT - 173 Cracking Pressure

    Circle Seal 559B-1M-173 - 500 Series Relief Valve - 1/8 in. MNPT - 173 Cracking Pressure

    $27.35

    Circle Seal Series 500 Relief Valves have a resilient seal design that prevents leakage. Sealing efficiency increases with increased pressure up to cracking pressure. When system pressure overcomes spring force, poppet opens. Seal provides zero leakage at reseat.

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  2. Circle Seal 559B-1M-25 - 500 Series Relief Valve - Buna-N O-Ring Brass 1/4 in. Male NPT 25 Cracking Pressure

    Circle Seal 559B-1M-25 - 500 Series Relief Valve - Buna-N O-Ring Brass 1/4 in. Male NPT 25 Cracking Pressure

    $27.35

    Circle Seal Series 500 Relief Valves have a resilient seal design that prevents leakage. Sealing efficiency increases with increased pressure up to cracking pressure. When system pressure overcomes spring force, poppet opens. Seal provides zero leakage at reseat.

    Learn More

     


  3. Circle Seal 532B-1M-20 - 500 Series Relief Valve Viton O-Ring Brass 1/8 in. Male NPT 30 CP

    Circle Seal 532B-1M-20 - 500 Series Relief Valve Viton O-Ring Brass 1/8 in. Male NPT 30 CP

    $27.35

    Circle Seal Series 500 Relief Valves have a resilient seal design that prevents leakage. Sealing efficiency increases with increased pressure up to cracking pressure. When system pressure overcomes spring force, poppet opens. Seal provides zero leakage at reseat.

    Learn More

     


  4. Circle Seal 532B-1M-30 - 500 Series Relief Valve Viton O-Ring Brass 1/8 in. Male NPT 30 CP

    Circle Seal 532B-1M-30 - 500 Series Relief Valve Viton O-Ring Brass 1/8 in. Male NPT 30 CP

    $27.35

    Circle Seal Series 500 Relief Valves have a resilient seal design that prevents leakage. Sealing efficiency increases with increased pressure up to cracking pressure. When system pressure overcomes spring force, poppet opens. Seal provides zero leakage at reseat.

    Learn More

     


  5. Circle Seal 532B-2M-15 - 500 Series Relief Valve Viton O-Ring Brass 1/4 in. Male NPT 15 Cracking Pressure

    Circle Seal 532B-2M-15 - 500 Series Relief Valve Viton O-Ring Brass 1/4 in. Male NPT 15 Cracking Pressure

    $28.80

    Circle Seal Series 500 Relief Valves have a resilient seal design that prevents leakage. Sealing efficiency increases with increased pressure up to cracking pressure. When system pressure overcomes spring force, poppet opens. Seal provides zero leakage at reseat.

    Learn More

     


  6. 11% off
    Circle Seal 2259B-3MM Check Valve - 3/8 in. Brass

    Circle Seal 2259B-3MM Check Valve - 3/8 in. Brass

    Regular Price: $23.05

    Special Price: $20.50

    Circle Seal 2259B-3MM Check Valve - 3/8 in. Brass

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    In Stock


  7. 533B-2M-25 - Relief Valve Neoprene O-RIng Brass 1/4 in. Male NPT 25 CP
  8. 533B-1M-4 - Relief Valve Neoprene O-RIng Brass 1/8 in. Male NPT 4 CP
  9. Circle Seal 533B-1M-2.5 Relief Valve Neoprene Brass 1/8 in MNPT 2.5 PSI Cracking Pressure

    Circle Seal 533B-1M-2.5 Relief Valve Neoprene Brass 1/8 in MNPT 2.5 PSI Cracking Pressure

    $27.35

    Circle Seal 533B-1M-2.5 Relief Valve Neoprene Brass 1/8 in MNPT 2.5 PSI Cracking Pressure

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per page :

9 Item(s)

Grid List

Air Systems