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    14 Products

    Air-Release Valves for Water and Coolant

    These valves are often used to remove air pockets in cooling and heating systems to maintain consistent flow and prevent water surges that can damage equipment. All have a vented relief port to exhaust discharge directly.
    NPT Female Inlet and Relief Vent
    Image of Product. Front orientation. Air Vent Valves. Air-Release Valves for Water and Coolant, Female Inlet.
    Inlet
    Pipe
    Size
    Location
    Relief Port
    Location
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Overall
    Ht.
    Each
    Brass Body—Vertical Mount
    1/8
    		BottomTop7533 to 2404 3/8"000000000000
    1/4
    		BottomTop15033 to 2404 3/8"00000000000
     
    NPT Female Inlet, NPT Female Outlet and Relief Vent
    Image of Product. Front orientation. Air Vent Valves. Air-Release Valves for Water and Coolant, Female Inlet, Female Outlet.
    Inlet
    Outlet
    Pipe
    Size
    Location
    Pipe
    Size
    Location
    Relief Port
    Location
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Overall
    Ht.
    Each
    Brass Body—Vertical Mount
    1/8
    		Bottom1/8
    		SideTop7533 to 2404 3/8"000000000000
     
    NPT Female/Male Inlet and Relief Vent
    Image of Product. Front orientation. Air Vent Valves. Air-Release Valves for Water and Coolant, Female, Male.
    Valves with female/male inlets have an inlet with both male and female threads, so they can be connected to both male and female adapters and equipment ports.
    Inlet
    Female
    Pipe Size
    Male Pipe
    Size
    Location
    Relief Port
    Location
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Overall
    Ht.
    Each
    Brass Body—Vertical Mount
    1/2
    		3/4
    		BottomTop15033 to 2404 3/4"000000000000
     
    NPT Male Inlet and Relief Vent
    Image of Product. Top orientation. Air Vent Valves. Air-Release Valves for Water and Coolant, Male Inlet.
    Inlet
    Pipe
    Size
    Location
    Relief Port
    Location
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Overall
    Ht.
    Each
    Brass Body—Vertical Mount
    1/8
    		BottomTop5033 to 2402 5/8"0000000000000
    1/8
    		BottomTop5033 to 2403 3/4"000000000000
    1/8
    		BottomTop7533 to 2404 3/8"00000000000
    1/4
    		BottomTop5033 to 2404"000000000000
    1/4
    		BottomTop15033 to 2404 3/4"00000000000
    1/2
    		BottomTop15033 to 2403 3/8"000000000000
    3/4
    		BottomTop15033 to 2403 3/8"000000000000
    1
    		BottomTop15033 to 2403 1/2"000000000000
     

    Corrosion-Resistant Air-Release Valves for Water and Coolant

    Image of Product. Front orientation. Air Vent Valves. Corrosion-Resistant Air-Release Valves for Water and Coolant.
    These valves are made of corrosion-resistant materials for use in wet conditions and harsh environments. They eliminate air pockets to maintain consistent flow and prevent water surges that can damage equipment. All have a vented relief port to exhaust discharge directly.
    Buna-N Seal—Valve with a Buna-N seal is for use in heating and cooling systems.
    EPDM Seal—Valve with an EPDM seal is for use in cooling systems only.
    Inlet
    Relief
    Port
    Pipe
    Size
    Location
    Type
    Location
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Overall
    Ht.
    Each
    NPT Male Inlet and Relief Vent
     
    Nylon Body—Vertical Mount—Buna-N Seal
    1/8
    		BottomVentTop9040 to 1805 1/4"00000000000000
     
    Nylon Body—Vertical Mount—EPDM Seal
    1/8
    		BottomVentTop9040 to 2125 1/4"0000000000000
     
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