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    76 Products

    Pressure-Regulating Valves for Steam

    Image of Product. Front orientation. Pressure-Regulating Valves. Pressure-Regulating Valves for Steam.
    Automatically reduce a high, variable inlet pressure in your steam system to a lower, stable outlet pressure. Adjust the outlet pressure within the range. These valves have a cast iron body that absorbs vibration from pressure changes to reduce wear and noise in your pipeline.
    Internal Strainer—Internal strainers trap debris.
    Valves
    Repair Kits
    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
    Each
    NPT Female
     
    Cast Iron Body—Bronze Diaphragm and 420 Stainless Steel Seal
    1/2
    		Side2501/2
    		SideScrew3 5/8"Steam-20 to 4000 to 10, 10 to 50, 40 to 100, 100 to 2009796K3800000009796K96000000
    3/4
    		Side2503/4
    		SideScrew3 5/8"Steam-20 to 4000 to 10, 10 to 50, 40 to 100, 100 to 2009796K390000009796K9600000
    1
    		Side2501
    		SideScrew4 1/2"Steam-20 to 4000 to 10, 10 to 30, 30 to 50, 40 to 859796K910000009796K97000000
    1 1/4
    		Side2501 1/4
    		SideScrew4 1/2"Steam-20 to 4000 to 10, 10 to 30, 30 to 50, 40 to 859796K920000009796K97000000
    1 1/2
    		Side2501 1/2
    		SideScrew6 1/2"Steam-20 to 4000 to 10, 10 to 30, 30 to 50, 40 to 859796K930000009796K99000000
    2
    		Side2502
    		SideScrew6 1/2"Steam-20 to 4000 to 10, 10 to 30, 30 to 50, 40 to 859796K940000009796K99000000
     
    Cast Iron Body—Bronze Diaphragm and PTFE Seal with Internal Strainer
    1/4
    		Side1501/4
    		SideScrew3"Steam-20 to 4002 to 25, 20 to 60, 30 to 1004674K61000000———0
    3/8
    		Side1503/8
    		SideScrew3 7/8"Steam-20 to 4002 to 30, 20 to 70, 90 to 1504674K62000000———0
    1/2
    		Side1501/2
    		SideScrew4 1/2"Steam-20 to 4002 to 30, 10 to 50, 30 to 125, 50 to 1504674K630000004674K91000000
    3/4
    		Side1503/4
    		SideScrew5 1/8"Steam-20 to 4002 to 20, 10 to 35, 30 to 75, 50 to 110, 105 to 1504674K640000004674K92000000
    1
    		Side1501
    		SideScrew5 7/8"Steam-20 to 4002 to 20, 10 to 45, 20 to 60, 55 to 100, 90 to 1504674K650000004674K93000000
    1 1/4
    		Side1501 1/4
    		SideScrew6 3/4"Steam-20 to 4002 to 15, 10 to 30, 20 to 50, 45 to 100, 90 to 1504674K660000004674K94000000
    1 1/2
    		Side1501 1/2
    		SideScrew6 3/4"Steam-20 to 4002 to 15, 10 to 30, 20 to 50, 45 to 100, 90 to 1504674K670000004674K94000000
    2
    		Side1502
    		SideScrew9 1/4"Steam-20 to 4002 to 20, 10 to 60, 20 to 100, 90 to 1504674K68000000004674K95000000
     

    Long-Life Pressure-Regulating Valves for Steam

    Image of Product. Front orientation. Pressure-Regulating Valves. Long-Life Pressure-Regulating Valves for Steam.
    For a longer service life than cast iron valves, these have a durable bronze body. All automatically reduce a high, variable inlet pressure to 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
     
    Bronze Body—Bronze Diaphragm and PTFE Seal with Internal Strainer
    1/4
    		Side2501/4
    		SideScrew3"Steam-20 to 4002 to 25, 20 to 6047345K310000000
    3/8
    		Side2503/8
    		SideScrew3 7/8"Steam-20 to 4002 to 30, 20 to 70, 40 to 110, 90 to 15047345K32000000
    1/2
    		Side2501/2
    		SideScrew4 1/2"Steam-20 to 4002 to 30, 10 to 50, 30 to 125, 50 to 15047345K33000000
    3/4
    		Side2503/4
    		SideScrew5 1/8"Steam-20 to 4002 to 20, 10 to 35, 30 to 75, 50 to 110, 105 to 15047345K34000000
    1
    		Side2501
    		SideScrew5 7/8"Steam-20 to 4002 to 20, 10 to 45, 20 to 60, 55 to 100, 90 to 15047345K35000000
    1 1/4
    		Side2501 1/4
    		SideScrew6 3/4"Steam-20 to 4002 to 15, 10 to 30, 20 to 50, 45 to 100, 90 to 15047345K3600000000
    1 1/2
    		Side2501 1/2
    		SideScrew6 3/4"Steam-20 to 4002 to 15, 10 to 30, 20 to 50, 45 to 100, 90 to 15047345K3700000000
    2
    		Side2502
    		SideScrew9 1/4"Steam-20 to 4002 to 20, 10 to 60, 20 to 100, 90 to 15047345K3800000000
     

    Airlocks

    Image of ProductInUse. Front orientation. Airlocks.
    Image of Product. Front orientation. Airlocks.
    Vent carbon dioxide and other gases out of your container without letting dust, oxygen, and other contaminants in. Fill these airlocks with water or a sanitizing solution and they form a liquid seal. They’re often used in fermentation, such as beer and wine making, as well as other jobs where chemical reactions or temperature changes produce gas inside your container. A cap blocks out dust even as it vents the gas.
    Push these airlocks into flasks, carboys, and other containers that have a rubber stopper with a hole. The airlocks come apart in three pieces for easy and thorough cleaning—no need for specially shaped brushes to reach every crevice.
    Overall
    Stem
    Body
    Fitting
    Connection
    Dia.
    Ht.
    Dia.
    Ht.
    Max.
    Pressure
    Max. Temp.,
    ° F
    Shape
    Cap
    Material
    Material
    Clarity
    For Use With
    Each
    Push On1 1/8"4 5/8"1/2"1 9/16"Not Rated140StraightPolyethylenePolystyreneClearAir, Beverage, Drinking Water, Hydrogen, Oxygen, Steam, Water9500N1100000

    High-Accuracy Pressure-Regulating Valves for Steam

    Image of Product. Front orientation. Pressure-Regulating Valves. High-Accuracy Pressure-Regulating Valves for Steam.
    Control steam line pressure with ±1 psi accuracy. These valves automatically reduce a high, variable inlet pressure to a lower, stable outlet pressure. Adjust the outlet pressure within the range. Valves have a cast iron body that absorbs vibration from pressure changes to reduce wear and noise in your pipeline. They meet ANSI/FCI 70-2 Class IV for tight shut-off (max. leakage rate of 0.01%). Install 1/4 NPT male pipe (not included) between the control valve and your downstream steam line.
    Repair Kits—Repair kits (sold separately) include replacement seals, diaphragm, spring, and spring assembly.
    Valves
    Repair Kits
    Inlet
    Outlet
    Pipe
    Size
    Location
    Max. Pressure,
    psi
    Pipe
    Size
    Location
    Pressure Adjustment
    Method
    For Use
    With
    Temp. Range,
    ° F
    Specs. Met
    Choose an Outlet Pressure, psi
    Each
    Each
    NPT Female
     
    Cast Iron Body—301 Stainless Steel Diaphragm and 420 Stainless Steel Seal
    1/2
    		Side2501/2
    		SideScrewSteam40 to 450ANSI/FCI 70-2 Class IV3 to 20, 5 to 50, 10 to 100, 20 to 1509792K190000000009792K320000000
    3/4
    		Side2503/4
    		SideScrewSteam40 to 450ANSI/FCI 70-2 Class IV3 to 20, 5 to 50, 10 to 100, 20 to 1509792K21000000009792K33000000
    1
    		Side2501
    		SideScrewSteam40 to 450ANSI/FCI 70-2 Class IV3 to 20, 5 to 50, 10 to 100, 20 to 1509792K23000000009792K34000000
    1 1/4
    		Side2501 1/4
    		SideScrewSteam40 to 450ANSI/FCI 70-2 Class IV3 to 20, 5 to 50, 10 to 100, 20 to 1509792K25000000009792K35000000
    1 1/2
    		Side2501 1/2
    		SideScrewSteam40 to 450ANSI/FCI 70-2 Class IV3 to 20, 5 to 50, 10 to 100, 20 to 1509792K27000000009792K36000000
    2
    		Side2502
    		SideScrewSteam40 to 450ANSI/FCI 70-2 Class IV3 to 20, 5 to 50, 10 to 100, 20 to 1509792K29000000009792K3700000000
     

    Corrosion-Resistant Pressure-Regulating Valves for Steam

    Image of Product. Front orientation. Pressure-Regulating Valves. Corrosion-Resistant Pressure-Regulating Valves for Steam.
    Regulate steam pressure in wet environments and harsh conditions with these valves that have a 316 stainless steel body for exceptional corrosion resistance. They automatically reduce a high, variable inlet pressure to a lower, stable outlet pressure. Adjust the outlet pressure within the range.
    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
     
    316 Stainless Steel Body—316 Stainless Steel Diaphragm and PTFE Seal
    1/2
    		Side4001/2
    		SideScrew4 1/2"Steam-40 to 4502 to 30, 10 to 50, 30 to 125, 50 to 1508099K41000000000
    3/4
    		Side4003/4
    		SideScrew5 1/8"Steam-40 to 4502 to 20, 10 to 35, 30 to 75, 50 to 110, 105 to 1508099K5100000000
    1
    		Side4001
    		SideScrew5 7/8"Steam-40 to 4502 to 20, 10 to 45, 20 to 60, 55 to 100, 90 to 1508099K6100000000
     

    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
     

    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
     

    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
     

    Vacuum Breakers

    Also known as vacuum-breaking valves, these valves have vents that open when pressure drops to relieve vacuum conditions and prevent backward suction from drawing liquid into upstream piping.
    Straight
    Image of Product. Front orientation. Vacuum Breakers. Vacuum Breakers, Straight.
    Straights are often used with steam coils, heat exchangers, and space heaters.
    303 Stainless Steel Body—303 stainless steel valves have the best corrosion resistance.
    Brass Body
    303 Stainless
    Steel Body
    Inlet Pipe
    Size
    Outlet
    Pipe SIze
    Max. Pressure
    @ Temp.
    Temp. Range,
    ° F
    End-to-End
    Lg.
    Seal
    Material
    For Use With
    Each
    Each
    NPT Male Inlet × NPT Female Outlet
    1/2
    		3/8
    		300 psi @ 70° F-20 to 3651 3/4"EPM RubberAir, Argon, Helium, Krypton, Neon, Steam, Water, Xenon4817K1400000004817K240000000
    3/4
    		1/2
    		300 psi @ 70° F-20 to 3652 1/8"EPM RubberAir, Argon, Helium, Krypton, Neon, Steam, Water, Xenon4817K150000004817K25000000
    1
    		3/4
    		300 psi @ 70° F-20 to 3652 3/8"EPM RubberAir, Argon, Helium, Krypton, Neon, Steam, Water, Xenon4817K160000004817K26000000
     
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