Air Systems

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

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

    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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