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    24 Products

    ASME-Code Fast-Acting Pressure-Relief Valves for Steam

    These valves meet ASME Code Section I for use with steam power boilers requiring pressure relief above 15 psi. They spring fully open at the set pressure and remain open until the system pressure is restored below the set pressure. For remote discharge, attach a drain line to the threaded relief port. Valves have a durable bronze body for a long service life.
    NPT Male Inlet and NPT Female Relief Port
    Image of Product. Valve With Test Lever. Front orientation. Pressure-Relief Valves. ASME-Code Fast-Acting Pressure-Relief Valves for Steam, Male Inlet, Female Relief Port, Bronze Body, 90° Elbow, For Steam, Lever.
    Image of Product. Valve With Swivel Test Lever. Front orientation. Pressure-Relief Valves. ASME-Code Fast-Acting Pressure-Relief Valves for Steam, Male Inlet, Female Relief Port, Bronze Body, 90° Elbow, For Steam, Lever, Swivel.

    Valve

    With Test

    Lever

    Valve With

    Swivel Test

    Lever

    EPM Rubber Seal—EPM rubber seals provide better leak protection than brass seals.
    Swivel—Swivel test levers rotate 360° around the valve for use in areas with limited clearance.
    Inlet
    Relief
    Pipe
    Size
    Location
    Max. Pressure,
    psi
    Port Pipe
    Size
    Port
    Location
    Shape
    Overall
    Ht.
    For Use
    With
    Temp. Range,
    ° F
    Test
    Mechanism
    Test Lever
    Type
    Valve
    Type
    Certification
    Choose a Set Pressure, psi
    Each
     
    Bronze Body—Brass Seal
    1/2
    		Bottom2503/4
    		Side90° Elbow6 1/2"Steam-60 to 400Lever—Pop SafetyASME BPVC.I
    		15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 125, 150, 175, 200, 225, 2504700K230000000
    1/2
    		Bottom2503/4
    		Side90° Elbow7 5/16"Steam-60 to 400LeverSwivelPop SafetyASME BPVC.I
    		15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 125, 150, 175, 200, 225, 2504755K11000000
    3/4
    		Bottom2503/4
    		Side90° Elbow7 5/16"Steam-60 to 400LeverSwivelPop SafetyASME BPVC.I
    		15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 125, 150, 175, 200, 225, 2504755K12000000
    3/4
    		Bottom2501
    		Side90° Elbow7 1/2"Steam-60 to 400Lever—Pop SafetyASME BPVC.I
    		15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 125, 150, 175, 200, 225, 2504700K24000000
    1
    		Bottom2501
    		Side90° Elbow7 5/8"Steam-60 to 400LeverSwivelPop SafetyASME BPVC.I
    		15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 125, 150, 175, 200, 225, 2504755K13000000
    1
    		Bottom2501 1/4
    		Side90° Elbow8 1/2"Steam-60 to 400Lever—Pop SafetyASME BPVC.I
    		15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 125, 150, 175, 200, 225, 2504700K25000000
    1 1/4
    		Bottom2501 1/2
    		Side90° Elbow9 5/8"Steam-60 to 400Lever—Pop SafetyASME BPVC.I
    		15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 125, 150, 175, 200, 225, 2504700K26000000
    1 1/2
    		Bottom2501 1/2
    		Side90° Elbow9 5/8"Steam-60 to 400LeverSwivelPop SafetyASME BPVC.I
    		15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 125, 150, 175, 200, 225, 2504755K15000000
    1 1/2
    		Bottom2502
    		Side90° Elbow10 5/8"Steam-60 to 400Lever—Pop SafetyASME BPVC.I
    		15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 125, 150, 175, 200, 225, 2504700K27000000
    2
    		Bottom2502 1/2
    		Side90° Elbow13 5/8"Steam-60 to 400Lever—Pop SafetyASME BPVC.I
    		15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 125, 150, 175, 200, 225, 2504700K28000000
     
    Bronze Body—EPM Rubber Seal
    1/2
    		Bottom2503/4
    		Side90° Elbow6 1/2"Steam-60 to 400Lever—Pop SafetyASME BPVC.I
    		15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 125, 150, 175, 200, 225, 2506187T17000000
    3/4
    		Bottom2501
    		Side90° Elbow7 1/2"Steam-60 to 400Lever—Pop SafetyASME BPVC.I
    		15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 125, 150, 175, 200, 225, 2506187T18000000
    1
    		Bottom2501 1/4
    		Side90° Elbow8 1/2"Steam-60 to 400Lever—Pop SafetyASME BPVC.I
    		15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 125, 150, 175, 200, 225, 2506187T19000000
     

    ASME-Code Fast-Acting Pressure-Relief Valves for Low-Pressure Steam

    For use with low-pressure steam-heating boilers requiring pressure relief at 15 psi, these valves meet ASME Code Section IV. All spring fully open at the set pressure and remain open until the system pressure is restored below the set pressure. Body is bronze for durability and a long service life.
    Straight
    Image of Product. Front orientation. Pressure-Relief Valves. ASME-Code Fast-Acting Pressure-Relief Valves for Low-Pressure Steam, Straight.
    Vent Relief Port—Vented relief ports exhaust discharge directly.
    Inlet
    Relief
    Pipe
    Size
    Thread
    Type
    Gender
    Location
    Max. Pressure,
    psi
    Port
    Port
    Location
    Steam Flow
    Cap., lb/hr
    Set Pressure,
    psi
    Overall
    Ht.
    Test
    Mechanism
    Valve
    Type
    For Use
    With
    Certification
    Max. Temp.,
    ° F
    Each
    Bronze Body—EPDM Seal
    3/4
    		NPT
    		MaleBottom15VentTop410152 7/8"LeverPop SafetySteamASME BPVC.IV
    		2504699K35000000
     
    90° Elbow
    Image of Product. Front orientation. Pressure-Relief Valves. ASME-Code Fast-Acting Pressure-Relief Valves for Low-Pressure Steam, 90° Elbow.
    Threaded—Threaded relief ports can be attached to a drain line for remote discharge.
    Inlet
    Relief
    Pipe
    Size
    Thread
    Type
    Gender
    Location
    Max. Pressure,
    psi
    Port Pipe
    Size
    Port
    Port Fitting
    Connection
    Port Thread
    Type
    Port
    Gender
    Port
    Location
    Steam Flow
    Cap., lb/hr
    Set Pressure,
    psi
    Overall
    Ht.
    Test
    Mechanism
    Valve
    Type
    For Use
    With
    Certification
    Max. Temp.,
    ° F
    Each
    Bronze Body—PTFE-Coated EPDM Seal
    3/4
    		NPT
    		MaleBottom153/4
    		PipeThreadedNPT
    		FemaleSide470153 13/16"LeverPop SafetySteamASME BPVC.IV
    		2504699K450000000
    1
    		NPT
    		MaleBottom151
    		PipeThreadedNPT
    		FemaleSide640154"LeverPop SafetySteamASME BPVC.IV
    		2504699K46000000
    1 1/4
    		NPT
    		MaleBottom151 1/2
    		PipeThreadedNPT
    		FemaleSide1,200154 1/2"LeverPop SafetySteamASME BPVC.IV
    		2504699K55000000
    1 1/2
    		NPT
    		MaleBottom152
    		PipeThreadedNPT
    		FemaleSide1,900155 1/4"LeverPop SafetySteamASME BPVC.IV
    		2504699K65000000
    2
    		NPT
    		MaleBottom152
    		PipeThreadedNPT
    		FemaleSide2,500156 9/16"LeverPop SafetySteamASME BPVC.IV
    		2504699K7000000
    2 1/2
    		NPT
    		MaleBottom152 1/2
    		PipeThreadedNPT
    		FemaleSide3,520158 1/8"LeverPop SafetySteamASME BPVC.IV
    		2504699K8000000
    3
    		NPT
    		MaleBottom153
    		PipeThreadedNPT
    		FemaleSide4,100159 1/16"LeverPop SafetySteamASME BPVC.IV
    		2504699K9000000
     

    Fast-Acting Pressure-Relief Valves for Ultra-Low-Pressure Steam

    Choose these valves for small steam-heating boilers requiring pressure relief between 5 psi and 12 psi. They spring fully open at the set pressure and remain open until the system pressure is restored below the set pressure. All have a bronze body for durability and a long service life.
    Straight
    Image of Product. Front orientation. Pressure-Relief Valves. Fast-Acting Pressure-Relief Valves for Ultra-Low-Pressure Steam, Straight.
    Vent Relief Port—Vented relief ports exhaust discharge directly.
    Inlet
    Relief
    Pipe
    Size
    Thread
    Type
    Gender
    Location
    Port
    Port
    Location
    Overall
    Ht.
    Test
    Mechanism
    Valve
    Type
    For Use
    With
    Max. Temp.,
    ° F
    Choose a Set Pressure, psi
    Each
    Bronze Body—EPDM Seal
    3/4
    		NPT
    		MaleBottomVentTop2 7/8"LeverPop SafetySteam2505, 6, 8, 10, 124699K11000000
     
    90° Elbow
    Image of Product. Front orientation. Pressure-Relief Valves. Fast-Acting Pressure-Relief Valves for Ultra-Low-Pressure Steam, 90° Elbow.
    Threaded—Threaded relief ports can be attached to a drain line for remote discharge.
    Inlet
    Relief
    Pipe
    Size
    Thread
    Type
    Gender
    Location
    Port Pipe
    Size
    Port
    Port Fitting
    Connection
    Port Thread
    Type
    Port
    Gender
    Port
    Location
    Overall
    Ht.
    Test
    Mechanism
    Valve
    Type
    For Use
    With
    Max. Temp.,
    ° F
    Choose a Set Pressure, psi
    Each
    Bronze Body—EPDM Seal
    3/4
    		NPT
    		MaleBottom3/4
    		PipeThreadedNPT
    		FemaleSide3 13/16"LeverPop SafetySteam2505, 6, 8, 10, 124699K120000000
    1
    		NPT
    		MaleBottom1
    		PipeThreadedNPT
    		FemaleSide4"LeverPop SafetySteam2505, 6, 8, 10, 124699K13000000
     
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