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    8 Products

    Compact Pressure-Relief Valves

    Due to their small size, these valves are often installed on tanks in low-clearance areas. They begin opening at the set pressure. Nylon valves fully open at about 10% over the set pressure and steel valves fully open at about 50% over the set pressure. Valves begin closing as pressure drops and fully close when the system pressure is restored below the set pressure. All have a vent outlet to exhaust discharge directly. Set pressure is not adjustable.
    Nylon Body—For Air
    Image of Product. Front orientation. Pressure-Relief Valves. Compact Pressure-Relief Valves, Nylon Body—For Air.
    Nylon valves have better corrosion resistance than steel valves. They are color coded based on the set pressure for easy identification.
    Inlet
    Pipe
    Size
    Location
    Max.
    Pressure
    Relief Port
    Location
    Overall
    Ht.
    Seal
    Material
    Choose a Set Pressure
    Each
    NPT Male Inlet and Relief Vent
    1/8
    		BottomNot RatedTop5/8"Buna-N0.5 psi (Red), 1 psi (Blue), 1.5 psi (Light Green), 3 psi (Light Blue), 6 psi (Off-White), 10 psi (Yellow)4277T51000000
    1/4
    		BottomNot RatedTop11/16"Buna-N0.5 psi (Red), 1 psi (Blue), 1.5 psi (Light Green), 3 psi (Light Blue), 6 psi (Off-White), 10 psi (Yellow)4277T5200000
     

    Pressure-Relief Valves with Push-to-Connect Fittings for Air

    Image of Product. Front orientation. Pressure-Relief Valves. Pressure-Relief Valves with Push-to-Connect Fittings for Air.
    For a low-pressure seal around plastic and soft metal tubing, these valves have push-to-connect fittings. They allow inline flow from the inlet to the outlet during normal conditions and divert flow to the relief port in overpressure conditions. The relief port begins opening at the set pressure and fully opens at about 10% over the set pressure. It begins closing as pressure drops and fully closes when the system pressure is restored below the set pressure. The vented relief port exhausts discharge directly. Set pressure is not adjustable. Valves are color coded based on the set pressure for easy identification.
    Inlet
    Outlet
    For Tube
    OD
    Location
    Max.
    Pressure
    For Tube
    OD
    Location
    Relief Port
    Location
    Overall
    Ht.
    For Use
    With
    Temp. Range,
    ° F
    Choose a Set Pressure
    Each
    Push to Connect Female Inlet, Outlet and Relief Vent
     
    Nylon Body—Buna-N Seal
    1/4"SideNot Rated1/4"SideTop1 1/4"Air26 to 2550.5 psi (Red), 1 psi (Blue), 1.5 psi (Light Green), 3 psi (Light Blue), 6 psi (Off-White), 10 psi (Yellow)4320T13000000
    5/16"SideNot Rated5/16"SideTop1 5/16"Air26 to 2550.5 psi (Red), 1 psi (Blue), 1.5 psi (Light Green), 3 psi (Light Blue), 6 psi (Off-White), 10 psi (Yellow)4320T1400000
    3/8"SideNot Rated3/8"SideTop1 1/2"Air26 to 2550.5 psi (Red), 1 psi (Blue), 1.5 psi (Light Green), 3 psi (Light Blue), 6 psi (Off-White), 10 psi (Yellow)4320T1500000
    1/2"SideNot Rated1/2"SideTop1 3/4"Air26 to 2550.5 psi (Red), 1 psi (Blue), 1.5 psi (Light Green), 3 psi (Light Blue), 6 psi (Off-White), 10 psi (Yellow)4320T1600000
     

    Low-Pressure-Regulating Valves for Water

    Image of Product. Front orientation. Pressure-Regulating Valves. Low-Pressure-Regulating Valves for Water.
    Designed for excellent performance at low pressures, these valves respond to even the slightest inlet pressure changes to maintain a lower, stable outlet pressure. Adjust the outlet pressure within the range. Valves have an internal strainer to trap debris.
    Inlet
    Outlet
    Pipe
    Size
    Location
    Max. Pressure,
    psi
    Pipe
    Size
    Location
    Pressure Adjustment
    Method
    End-to-End
    Lg.
    For Use
    With
    Temp. Range,
    ° F
    Choose an Outlet Pressure, psi
    Each
    NPT Female
     
    Brass Body—Buna-N-Coated Nylon Diaphragm and 303 Stainless Steel Seal with Internal Strainer
    1/4
    		Side3001/4
    		SideT-Handle4 1/4"Water0 to 1200 to 8, 0 to 20, 0 to 503878T410000000
     

    Pressure-Regulating Valves with Garden Hose Fittings for Water

    Image of Product. Valves with Pressure Gauge. Front orientation. Pressure-Regulating Valves. Pressure-Regulating Valves with Garden Hose Fittings for Water, Female Inlet, Buna-N Diaphragm, Brass Body, Outlet-Pressure-Adjustment Screw, Outlet Pressure Gauge Included.

    Valves with

    Pressure Gauge

    Use these valves to automatically reduce a high, variable inlet pressure to a lower, stable outlet pressure in light duty water systems with garden hose thread (GHT) connections. Adjust the outlet pressure within the range. Some valves come with a pressure gauge for monitoring outlet pressure.
    Inlet
    Outlet
    Hose
    Size
    Location
    Max. Pressure,
    psi
    Hose
    Size
    Location
    Pressure
    Range, psi
    Pressure Adjustment
    Method
    Pressure Gauge
    Included
    Gauge Port
    Location
    End-to-End
    Lg.
    For Use
    With
    Temp. Range,
    ° F
    Each
    GHT Female
     
    Brass Body—Buna-N Diaphragm and Buna-N-Coated Nylon Seal
    3/4Side1503/4Side10 to 60ScrewYesSide3"Water33 to 1404000T310000000
     
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