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    5 Products
    About Pressure-Regulating Valves
    industrial info icon

    Find a regulator that’s compatible with your gas, matches the CGA number on your tank, and has twice the operating pressure of your application’s normal range.

    Tank-Mount Pressure-Regulating Valves for Air and Inert Gas

    These valves automatically reduce a high inlet pressure from compressed gas tanks to a lower, stable outlet pressure. All have Compressed Gas Association (CGA) numbered inlet fittings for secure connections to compressed gas tanks. Choose a valve with the same CGA number as your tank and other system components. Valves have a gauge to monitor outlet pressure and a gauge to monitor inlet pressure from the tank.
    Choose a valve with a maximum outlet pressure that’s approximately twice your application’s normal operating pressure. Your operating pressure should never exceed 75% of the valve’s maximum outlet pressure.
    Single Stage
    Image of Product. UNF Male Outlet × Female Inlet Single-Stage Valves with T-Handle. Front orientation. Pressure-Regulating Valves. Tank-Mount Pressure-Regulating Valves for Air and Inert Gas, Single Stage, Female Inlet, UNF Outlet Thread, Male Outlet, Outlet-Pressure-Adjustment T-Handle.

    UNF Male Outlet × Female

    Inlet Single-Stage

    Valves with T-Handle

    Single-stage valves reduce pressure in one step, which causes the outlet pressure to fluctuate slightly as you empty the tank. They’re best for applications where a constant outlet pressure isn’t critical.
    Brass Body—Valves with a brass body have a longer service life than valves with a brass and steel body.
    Inlet
    Outlet
    Material
    CGA
    No.
    Location
    Thread
    Direction
    Pressure Gauge
    Reading Range, psi
    Location
    Thread
    Direction
    Pressure
    Range, psi
    Pressure Adjustment
    Method
    Body
    Seal
    Diaphragm
    Temp. Range,
    ° F
    Each
    For Breathable Air
     
    9/16"-18 UNF Male Outlet × NGO Female Inlet
    346
    		SideRight Hand
    		0 to 4,000SideRight Hand
    		0 to 125T-HandleBrassPTFERubber-20 to 1207897A570000000
    346
    		SideRight Hand
    		0 to 4,000SideRight Hand
    		0 to 200T-HandleBrassPTFERubber-20 to 1207897A58000000
     
    Two Stage
    Image of Product. NPT Female Outlet × Female Inlet Two-Stage Valves with T-Handle. Front orientation. Pressure-Regulating Valves. Tank-Mount Pressure-Regulating Valves for Air and Inert Gas, Two Stage, NPT Outlet Thread, Female Outlet, Female Inlet, Outlet-Pressure-Adjustment T-Handle.

    NPT Female Outlet ×

    Female Inlet Two-Stage

    Valves with T-Handle

    Two-stage valves progressively reduce pressure over two steps for more consistent outlet pressure at all times. They’re often used in applications that require a constant outlet pressure regardless of the tank level.
    Brass Body—Valves with a brass body have a longer service life than valves with a brass and steel body.
    Stainless Steel Diaphragm—Valves with a stainless steel diaphragm can withstand harsh environments.
    Inlet
    Outlet
    Material
    CGA
    No.
    Location
    Thread
    Direction
    Pressure Gauge
    Reading Range, psi
    Location
    Thread
    Direction
    Pressure
    Range, psi
    Pressure Adjustment
    Method
    Body
    Seal
    Diaphragm
    Temp. Range,
    ° F
    Each
    For Breathable Air
     
    1/4 NPT Female Outlet × NGO Female Inlet
    346
    		SideRight Hand
    		0 to 4,000SideRight Hand
    		0 to 250T-HandleBrassPTFEStainless Steel-20 to 1203687N1350000000
     

    Tank-Mount High-Pressure-Regulating Valves for Air and Inert Gas

    Often used for pressure-vessel testing and other high-pressure applications, these valves can handle at least seven times the outlet pressure of standard tank-mount pressure-regulating valves. They automatically reduce a high inlet pressure from compressed gas tanks to a lower, stable outlet pressure. All have Compressed Gas Association (CGA) numbered inlet fittings for secure connections to compressed gas tanks. Choose a valve with the same CGA number as your tank and other system components. Outlet fittings are Swagelok® for a leak-free seal around hard metal tubing in high-pressure lines. Also known as instrumentation fittings, Swagelok® fittings are compatible with Parker A-Lok, Gyrolok, Bilok, and Tylok fittings. Valves have a gauge to monitor outlet pressure and a gauge to monitor inlet pressure from the tank. They are single stage and reduce pressure in one step, which causes the outlet pressure to fluctuate slightly as you empty the tank.
    Choose a valve with a maximum outlet pressure that’s approximately twice your application’s normal operating pressure. Your operating pressure should never exceed 75% of the valve’s maximum outlet pressure.
    For Breathable Air
    Image of Product. Female Outlet × Female Inlet Straight With Knob. Front orientation. Pressure-Regulating Valves. Tank-Mount High-Pressure-Regulating Valves for Air and Inert Gas, Female Inlet, Female Outlet, Single Stage, Outlet-Pressure-Adjustment Knob.

    Female Outlet × Female

    Inlet Straight With Knob

    Inlet
    Outlet
    Material
    CGA
    No.
    Location
    Thread
    Direction
    Pressure Gauge
    Reading Range, psi
    No. of
    Stages
    For Tube
    OD
    Location
    Pressure Range,
    psi
    Pressure Adjustment
    Method
    Shape
    Body
    Seal
    Diaphragm
    Temp. Range,
    ° F
    Each
    NGO Female Inlet × Swagelok® Female Outlet
    346
    		SideRight Hand
    		0 to 4,000Single1/4"Side0 to 1,500KnobStraightBrassPCTFEPolyurethane Rubber-20 to 1206677A190000000
    346
    		SideRight Hand
    		0 to 4,000Single1/4"Side0 to 2,500KnobStraightBrassPCTFEPolyurethane Rubber-20 to 1206677A21000000
     
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