Circle Seal Controls

Circle Seal Controls


Circle Seal provides world class technology as a global leader for fluid control solutions for check valves, relief valves and more!  Circle Seal Controls designs and manufactures to customers' ever evolving requirements and specifications.  Some of their valve lines include the 200 Series Check Valves500 Series Relief Valves and 5100 Series Relief Valves.

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  1. 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


  2. 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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  3. 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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  4. 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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  5. Circle Seal Controls 249B-4PP - Series 200 Female Pipe Check Valves

    Circle Seal 249B-4PP Series 200 Female Pipe Check Valve 1/2 in. Brass Buna-N 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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  6. Circle Seal 232B-4PP 200 Series Check Valve

    Circle Seal 232B-4PP 200 Series Check Valve - 1/2 in. Brass

    $84.60

    The Circle Seal 232B-4PP 200 Series Check Valve is quick opening and has a large flow capacity.

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  7. Circle Seal 233B-2PP 200 Series Check Valve

    Circle Seal 233B-2PP 200 Series Check Valve - 1/4 in. Brass

    $50.30

    The Circle Seal 200 Series Check Valves 0 to 3000 psig boasts a large flow capacity and with quick opening/positive closing and zero leakage.

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  8. Circle Seal 200 Series Check Valve - 3/4 inch 249B-6PP

    Circle Seal 249B-6PP 200 Series Check Valve - 3/4 inch Brass

    $113.05

    The Circle Seal 249B-6PP 200 Series Check Valve are absolutely bubble tight in leakage tests and there is no leakage whatsoever at any differential pressure. Quick opening-positive closing at extremely low pressure differential.

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  9. 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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  10. 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.

    Learn More

     


products per page

Items 1-10 of 32 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4

Grid List

Circle Seal