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 Valves, 200-PP Series Check Valves, 500 Series Relief Valves, 500 Series Popoff Relief Valves and 5100 Series Relief Valves.

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  1. 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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  2. Circle Seal D524TI-6M-1 - 500 Series Relief Valve Deflector Cap Silicone O-Ring 316 Stainless Steel 3/4 in. Male NPT 1 CP

    Circle Seal D524TI-6M-1 - 500 Series Relief Valve Deflector Cap Silicone O-Ring 316 Stainless Steel 3/4 in. Male NPT 1 CP

    $151.50

    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 532T1-6M-30 - 500 Series Relief Valve Viton O-Ring 316 Stainless Steel 3/4 in. Male NPT 30 CP

    Circle Seal 532T1-6M-30 - 500 Series Relief Valve Viton O-Ring 316 Stainless Steel 3/4 in. Male NPT 30 CP

    $142.20

    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. 249B-8PP - 200-PP Series Check Valves - Buna-N O-Ring Brass 1 in.
  5. Circle Seal 200-PP Series Female Pipe Check Valve
  6. Circle Seal 259T1-3PP Check Valve Buna-N O-Ring Stainless Steel 3/8 in.

    Circle Seal 259T1-3PP Check Valve Buna-N O-Ring Stainless Steel 3/8 in.

    $253.35

    Circle Seal 259T1-3PP Check Valve Buna-N O-Ring Stainless Steel 3/8 in.

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  7. Circle Seal 259T1-4PP Check Valve 1/2 in. Stainless Steel

    Circle Seal 259T1-4PP Check Valve 1/2 in. Stainless Steel

    $226.70

    Circle Seal 259T1-4PP Check Valve 1/2 in. Stainless Steel

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  8. Circle Seal 232T1-6PP Check Valve 3/4 in. 316 Stainless Steel

    Circle Seal 232T1-6PP Check Valve 3/4 in. 316 Stainless Steel

    $338.10

    Circle Seal 232T1-6PP Check Valve 3/4 in. 316 Stainless Steel

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  9. Circle Seal 200-PP Series Female Pipe Check Valve
  10. Circle Seal 200-PP Series Female Pipe Check Valve
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Items 1-10 of 14 total

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Circle Seal