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  1. Circle Seal Relief Valve 1/8 MNPT 5 PSI Cracking Pressure 520-0001-01

    Circle Seal 520-0001-01 Relief Valve 1/8 MNPT 5 PSI

    $27.35

    Circle Seal 520-0001-01 Relief Valve 1/8 MNPT 5 PSI Cracking Pressure.

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  2. Circle Seal Relief Valve Naval Brass ASME 1 in MNPT 448 PSI

    Circle Seal M5159N-8ML-448ASME Relief Valve Naval Brass ASME 1 in MNPT 448 PSI

    $474.80

    Circle Seal M5159N-8ML-448ASME Relief Valve Naval Brass ASME 1 in MNPT 448 PSI with Buna N Seat.

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  3. Circle Seal 559T1-2M-20 - 500 Series Relief Valve Buna-N O-Ring 316 Stainless Steel 1/4 in. Male NPT 20 CP

    Circle Seal 559T1-2M-20 - 500 Series Relief Valve Buna-N O-Ring 316 Stainless Steel 1/4 in. Male NPT 20 CP

    $66.95

    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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  4. 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

    $30.96

    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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    In Stock


  5. 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.

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  6. 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

    $34.54

    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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  7. Circle Seal M5159B-8ML-300 - 5100 Series Relief Valve Brass 300 PSI 1 in. Male NPT Buna-N O-Ring with Lockwire Option

    Circle Seal M5159B-8ML-300 - 5100 Series Relief Valve Brass 300 PSI 1 in. Male NPT Buna-N O-Ring with Lockwire Option

    $416.15

    Circle Seal 5100 Series Relief Valve is a PED certified model that ensures a zero leakage under 95% of cracking pressure. The valve is entrusted with a wide range of cracking pressure and tamper-proof adjustments.

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  8. 23% off
    Circle Seal 2259B-3MM Check Valve - 3/8 in. Brass

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

    Regular Price: $26.46

    Sale Price: $20.50

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

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    In Stock


  9. 233B-4PP - Series 200 Female Pipe Check Valve - 1/2 in. - Brass - Neoprene O-Ring - Crack Pressure 2-4 psig

    Circle Seal 233B-4PP - Series 200 Female Pipe Check Valve - 1/2 in. - Brass - Neoprene O-Ring - Crack Pressure 2-4 psig

    $84.60

    Circle Seal Series 200/H200 Female Pipe Check Valves are absolutely bubble tight in leakage tests. No Leakage whatsoever at any Differential Pressure.

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  10. 249B-2PP - Series 200 Female Pipe Check Valve - 1/4 in. - Brass - Buna-N O-Ring - Crack Pressure 2-4 psig

    Circle Seal 249B-2PP - Series 200 Female Pipe Check Valve - 1/4 in. - Brass - Buna-N O-Ring - Crack Pressure 2-4 psig

    $50.30

    Circle Seal Series 200/H200 Female Pipe Check Valves are absolutely bubble tight in leakage tests. No Leakage whatsoever at any Differential Pressure.

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products per page

Items 1-10 of 32 total

Page:
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  4. 4

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Air Systems