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  • Rockwood Swendeman Type RXSO ASME Safety Relief Valve

    Features

    • Teflon seat for improved seat tightness.
    • Set pressures to 400 psig, and temperatures from cryogenic to 400° F.
    • ASME and PED certifications available.

  • Circle Seal Relief Valve 500 Series Popoff

    Features

    • Popoff or inline valves
    • Adjustable crack pressure
    • Zero leakage
    • Accurate set pressure
    • Tamper-proof adjustment
    • 100% seat leakage tested
    • PED certifications and CE marking available for most models

  • HP500 Series Relief Valve

    Features

    • Very accurate cracking pressure
    • Zero leakage up to 95% of cracking pressure
    • 100% seat leakage tested
    • Tamper-proof adjustment
    • PED certifications and CE marking available for most models

  • 5100 Series Relief Valve

    Features

    • Zero leakage up to 95% of cracking pressure
    • Positive reseat at high percentage of cracking pressure
    • Accurate set pressure
    • Wide range of cracking pressure
    • Tamper-proof adjustment
    • PED certifications and CE marking available for most models

  • Circle Seal Pressure Relief Valve 500 Series Display Image

    Features

    • D500 Series features cap design
    • MD500 Series features cup design with manual override ring
    • Zero leakage from 0 psi up to 70% of the marked set pressure
    Please specify ‘ASME’ when placing your order.

  • M5100 Series ASME Safety Relief Valve

    Features

    • M5100 Series offered with ring or lift handle
    • Zero leakage from 0 psi up to 70% of the marked set pressure
    Please specify ‘ASME’ when placing your order.

  • 5300 Series Relief Valve

    Features

    • Zero leakage up to 95% of cracking pressure
    • No chatter or squeal
    • Positive reseal at a high percentage of cracking pressure
    • No pressure rise with increasing flow
    • Externally adjustable
    • PED certifications and CE marking available for most models

  • R6000 Series Relief Valve

    Features

    • Available in low, medium, high and extra high pressure models
    • High accuracy and consistency of cracking and reseat pressures.
    • Narrow pressure ranges (cracking pressures) for each model can be factory pre-set according to customer specifications.
    • PED certification and CE marking are standard for all models.
    • All R6000 relief valves are offered with multiple end connections to ensure application versatility.



Check Valves
Relief Valves
Truelok® Face Seal & Mini Fittings
Circle Seal Solenoid Valves
Jefferson Solenoid Valves
Atkomatic Solenoid Valves
GO Regulator
Cryogenic Valves & Equipment
Hoke Valves
Gyrolok® Tube Fittings
Circle Seal Control Valves
Measurement Devices
Additional Products



1533 Gehman Road | Harleysville, PA 19438 | Phone: 267-933-6300 | Fax: 267-933-6305 | Toll Free: 800-645-6733 | Email: [email protected]
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