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  1. Adjustable Pressure Relief Valves - McMaster-Carr

    • Choose from our selection of adjustable pressure relief valves, including pressure-relief valves, back-pressure-regulating valves, and more. In stock and ready to ship.… See more

    Adjustable Pressure-Relief Valves For Water

    Alter the set pressure to suit your application. These valves begin opening at the set pressure and fully open at about 10% over the set pressure. Tighten the locknut to p… See more

    McMaster-Carr
    Precision-Adjustment Pressure-Relief Valves For Water

    Change set pressure without guesswork— the adjustment screw is marked in 25 psi … See more

    McMaster-Carr
    Precision-Adjustment Pressure-Relief Valves For Fuel

    A finely threaded adjustment screw lets you make precise set pressure adjustments. These valves are for use with diesel fuel, fuel oil, gasoline, and kerosene. They begin opening at … See more

    McMaster-Carr
    Adjustable Pressure-Relief Valves For Fuel

    To gradually relieve pressure in lines for diesel fuel, fuel oil, gasoline, and kerosene, these valves begin opening at the set pressure and fully open at about 10% over the set pre… See more

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  1. An adjustable pressure-limiting valve (commonly abbreviated to APL valve, and also referred to as an expiratory valve, relief valve or spill valve) is a type of flow control valve used in anaesthesiology as part of a breathing system. It allows excess fresh gas flow and exhaled gases to leave the system while preventing ambient air from entering.
    en.wikipedia.org/wiki/Adjustable_pressure-limiting_…
    Automatic, adjustable pressure relief valve is for use on apparatus where internal pressure build-up is a concern. Can be mounted into a vacuum rack to allow rapid purging of an inert gas without damage to system. Also useful for freezing applications.
    www.sigmaaldrich.com/US/en/product/aldrich/z202…
    Adjustable relief valves allow the pressure setting adjustment through the outlet port. Electronic relief valves offer zero leakage with electric controls to monitor and regulate the system pressure. On the other hand, safety valves are used for compressible fluids (gas and vapors) and are characterized by the rapid action of opening and closing.
    whatispiping.com/pressure-relief-valve/
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  3. Control Devices - CR25-100 -CR25 CR Series Brass …

    Feb 13, 2012 · The valve can be adjusted to open between 0 and 100 psi using the micrometer-style nylon knob. This safety valve has an 6 standard cubic …

    • 4.6/5
      (616)
    • Exterior Finish: Stainless Steel
    • Brand: Control Devices
    • Inlet Connection Size: 0.25 Inches
  4. Amazon.com: Pressure Relief Valve, Adjustable

    Control Devices - CR25-100 -CR25 CR Series Brass Pressure Relief Valve, 0-100 psi Adjust…
    Control Devices - CR25-100 -CR25 CR Series Brass Pressure Relief Valve 0-100 psi Adjust…
    Control Devices-NC25-1UK002 NC Series Brass Non-Code Safety Valve, 25-200 psi Adjusta…
    Exterior Finish : Stainless Steel, Brass · Brand : Control Devices · Material : Brass
    Watts 0372271 530C 3/4" Poppet Style Adjustable Relief Valve
    Material : Brass · Item Dimensions LxWxH : 3.8 x 2.3 x 1.5 inches · Exterior Finish : oil
  5. Pressure Control Valves | Parker NA

  6. Pressure Relief Valves - The Home Depot

  7. Pressure Relief Valves & Regulators - Lowe's

  8. WR60 / WR80 Series - Adjustable Pressure Relief Valve

    The WR60 / WR80 adjustable pressure relief valve or pressure safety valve allows users to set the desired relief cracking pressure right at the valve by simply turning the adjustment screw.

  9. Amazon.com: Adjustable Pressure Relief Valve

  10. Air Relief Valves - McMaster-Carr

  11. RVi-05 Stainless Steel In-Line Adjustable Pressure …

    Buy this In-Line, small flow, 1/4-3" Npt model from our range of Relief Valves products. All products may be customized by selecting the size, spring range, and material.