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    30 Products

    High-Pressure Threaded Check Valves

    These valves are rated for up to twice the pressure of standard check valves. They open to allow flow in one direction and close when flow stops or reverses.
    Brass Body—Spring-Loaded Ball
    Image of Product. Female Inlet × Female Outlet. Front orientation. Contains Annotated. Check Valves. High-Pressure Threaded Check Valves, Brass Body—Spring-Loaded Ball, Female.
    Image of Product. Female Inlet × Male Outlet. Front orientation. Contains Annotated. Check Valves. High-Pressure Threaded Check Valves, Brass Body—Spring-Loaded Ball, Female, Male.
    Image of Product. Male Inlet × Female Outlet. Front orientation. Contains Annotated. Check Valves. High-Pressure Threaded Check Valves, Brass Body—Spring-Loaded Ball, Male, Female.
    Image of Product. Male Inlet × Male Outlet. Front orientation. Contains Annotated. Check Valves. High-Pressure Threaded Check Valves, Brass Body—Spring-Loaded Ball, Male.

    Female Inlet × Female

    Outlet

    Female Inlet × Male

    Outlet

    Male Inlet × Female

    Outlet

    Male Inlet × Male Outlet

    Flow Coefficient (Cv)—Flow coefficient (Cv) is the amount of water (in gallons per minute) at 60° F that will flow through a fully open valve with a difference of 1 psi between the inlet and the outlet.
    Pipe
    Size
    Flow Coefficient
    (Cv)
    Max. Pressure
    @ Temp.
    Min. Opening
    Pressure, psi
    Temp. Range,
    ° F
    End-to-End
    Lg.
    Mounting Position
    For Use With
    Ball Material
    Spring Material
    Seal
    Material
    Each
    NPT Female Inlet × NPT Female Outlet
    1/4 1.13,000 psi @ 70° F1-20 to 1802 9/16"Any Angle, Horizontal, VerticalAir, Argon, Helium, Krypton, Neon, Water, Xenon316 Stainless Steel
    		302 Stainless Steel
    		Buna-N
    		8549T11000000
    3/8 1.43,000 psi @ 70° F1-20 to 1802 9/16"Any Angle, Horizontal, VerticalAir, Argon, Helium, Krypton, Neon, Water, Xenon316 Stainless Steel
    		302 Stainless Steel
    		Buna-N
    		8549T1200000
    1/2 2.12,000 psi @ 70° F1-20 to 1803 3/16"Any Angle, Horizontal, VerticalAir, Argon, Helium, Krypton, Neon, Water, Xenon316 Stainless Steel
    		302 Stainless Steel
    		Buna-N
    		8549T31000000
     
    NPT Female Inlet × NPT Male Outlet
    1/4 1.13,000 psi @ 70° F1-20 to 1802 11/16"Any Angle, Horizontal, VerticalAir, Argon, Helium, Krypton, Neon, Water, Xenon316 Stainless Steel
    		302 Stainless Steel
    		Buna-N
    		8549T1300000
    3/8 1.13,000 psi @ 70° F1-20 to 1802 11/16"Any Angle, Horizontal, VerticalAir, Argon, Helium, Krypton, Neon, Water, Xenon316 Stainless Steel
    		302 Stainless Steel
    		Buna-N
    		8549T1400000
    1/2 2.42,000 psi @ 70° F1-20 to 1803 9/16"Any Angle, Horizontal, VerticalAir, Argon, Helium, Krypton, Neon, Water, Xenon316 Stainless Steel
    		302 Stainless Steel
    		Buna-N
    		8549T33000000
     
    NPT Male Inlet × NPT Female Outlet
    1/4 1.13,000 psi @ 70° F1-20 to 1802 9/16"Any Angle, Horizontal, VerticalAir, Argon, Helium, Krypton, Neon, Water, Xenon316 Stainless Steel
    		302 Stainless Steel
    		Buna-N
    		8549T1500000
    3/8 1.13,000 psi @ 70° F1-20 to 1802 9/16"Any Angle, Horizontal, VerticalAir, Argon, Helium, Krypton, Neon, Water, Xenon316 Stainless Steel
    		302 Stainless Steel
    		Buna-N
    		8549T1600000
    1/2 2.42,000 psi @ 70° F1-20 to 1803 9/16"Any Angle, Horizontal, VerticalAir, Argon, Helium, Krypton, Neon, Water, Xenon316 Stainless Steel
    		302 Stainless Steel
    		Buna-N
    		8549T35000000
     
    NPT Male Inlet × NPT Male Outlet
    1/4 1.13,000 psi @ 70° F1-20 to 1802 11/16"Any Angle, Horizontal, VerticalAir, Argon, Helium, Krypton, Neon, Water, Xenon316 Stainless Steel
    		302 Stainless Steel
    		Buna-N
    		8549T1700000
    3/8 1.13,000 psi @ 70° F1-20 to 1802 11/16"Any Angle, Horizontal, VerticalAir, Argon, Helium, Krypton, Neon, Water, Xenon316 Stainless Steel
    		302 Stainless Steel
    		Buna-N
    		8549T1800000
    1/2 2.42,000 psi @ 70° F1-20 to 1803 9/16"Any Angle, Horizontal, VerticalAir, Argon, Helium, Krypton, Neon, Water, Xenon316 Stainless Steel
    		302 Stainless Steel
    		Buna-N
    		8549T37000000
     
    316 Stainless Steel Body—Spring-Loaded Piston
    Image of Product. Female Inlet × Female Outlet. Back orientation. Contains Annotated. Check Valves. High-Pressure Threaded Check Valves, 316 Stainless Steel Body—Spring-Loaded Piston, Female.

    Female Inlet × Female

    Outlet

    316 stainless steel valves are more corrosion resistant than brass valves.
    Flow Coefficient (Cv)—Flow coefficient (Cv) is the amount of water (in gallons per minute) at 60° F that will flow through a fully open valve with a difference of 1 psi between the inlet and the outlet.
    Pipe
    Size
    Flow Coefficient
    (Cv)
    Max. Pressure
    @ Temp.
    Min. Opening
    Pressure, psi
    Temp. Range,
    ° F
    End-to-End
    Lg.
    Mounting Position
    For Use With
    Piston Material
    Spring Material
    Seal Material
    Each
    NPT Female Inlet × NPT Female Outlet
    1/8 0.13,000 psi @ 70° F0.33-5 to 3501 3/4"Horizontal, VerticalAir, Argon, Helium, Krypton, Neon, Water, Xenon316 Stainless Steel
    		302 Stainless Steel
    		Fluoroelastomer
    		7838K53000000
    1/4 0.473,000 psi @ 70° F0.33-5 to 3502 1/8"Horizontal, VerticalAir, Argon, Helium, Krypton, Neon, Water, Xenon316 Stainless Steel
    		302 Stainless Steel
    		Fluoroelastomer
    		7838K5400000
    3/8 1.473,000 psi @ 70° F0.33-5 to 3502 1/16"Horizontal, VerticalAir, Argon, Helium, Krypton, Neon, Water, Xenon316 Stainless Steel
    		302 Stainless Steel
    		Fluoroelastomer
    		7838K55000000
    1/2 1.683,000 psi @ 70° F0.33-5 to 3503 1/16"Horizontal, VerticalAir, Argon, Helium, Krypton, Neon, Water, Xenon316 Stainless Steel
    		302 Stainless Steel
    		Fluoroelastomer
    		7838K56000000
    3/44.482,000 psi @ 70° F0.33-5 to 3503 3/8"Horizontal, VerticalAir, Argon, Helium, Krypton, Neon, Water, Xenon316 Stainless Steel
    		302 Stainless Steel
    		Fluoroelastomer
    		7838K59000000
    1 4.482,000 psi @ 70° F0.33-5 to 3504 1/4"Horizontal, VerticalAir, Argon, Helium, Krypton, Neon, Water, Xenon316 Stainless Steel
    		302 Stainless Steel
    		Fluoroelastomer
    		7838K58000000
     

    High-Pressure Threaded Check Valves for Oil and Fuel

    Rated for at least four times the pressure of standard check valves for oil and fuel, these are often used in hydraulic applications. They open to allow flow in one direction and close when flow stops or reverses.
    Brass Body—Spring-Loaded Ball
    Image of Product. Female Inlet × Female Outlet. Front orientation. Contains Annotated. Check Valves. High-Pressure Threaded Check Valves for Oil and Fuel, Brass Body—Spring-Loaded Ball, Female.
    Image of Product. Female Inlet × Male Outlet. Front orientation. Contains Annotated. Check Valves. High-Pressure Threaded Check Valves for Oil and Fuel, Brass Body—Spring-Loaded Ball, Female, Male.
    Image of Product. Male Inlet × Female Outlet. Front orientation. Contains Annotated. Check Valves. High-Pressure Threaded Check Valves for Oil and Fuel, Brass Body—Spring-Loaded Ball, Male, Female.
    Image of Product. Male Inlet × Male Outlet. Front orientation. Contains Annotated. Check Valves. High-Pressure Threaded Check Valves for Oil and Fuel, Brass Body—Spring-Loaded Ball, Male.

    Female Inlet × Female

    Outlet

    Female Inlet × Male

    Outlet

    Male Inlet × Female

    Outlet

    Male Inlet × Male Outlet

    Flow Coefficient (Cv)—Flow coefficient (Cv) is the amount of water (in gallons per minute) at 60° F that will flow through a fully open valve with a difference of 1 psi between the inlet and the outlet.
    Pipe
    Size
    Flow Coefficient
    (Cv)
    Max. Pressure
    @ Temp.
    Min. Opening
    Pressure, psi
    Temp. Range,
    ° F
    End-to-End
    Lg.
    Mounting Position
    For Use With
    Ball Material
    Spring Material
    Seal Material
    Each
    NPT Female Inlet × NPT Female Outlet
    1/4 1.13,000 psi @ 70° F1-20 to 1802 9/16"Any Angle, Horizontal, VerticalDiesel Fuel, Gasoline, Oil316 Stainless Steel
    		302 Stainless Steel
    		Fluoroelastomer
    		8549T21000000
    3/8 1.43,000 psi @ 70° F1-20 to 1802 9/16"Any Angle, Horizontal, VerticalDiesel Fuel, Gasoline, Oil316 Stainless Steel
    		302 Stainless Steel
    		Fluoroelastomer
    		8549T2200000
    1/2 2.12,000 psi @ 70° F1-20 to 1803 3/16"Any Angle, Horizontal, VerticalDiesel Fuel, Gasoline, Oil316 Stainless Steel
    		302 Stainless Steel
    		Fluoroelastomer
    		8549T32000000
     
    NPT Female Inlet × NPT Male Outlet
    1/4 1.13,000 psi @ 70° F1-20 to 1802 11/16"Any Angle, Horizontal, VerticalDiesel Fuel, Gasoline, Oil316 Stainless Steel
    		302 Stainless Steel
    		Fluoroelastomer
    		8549T2300000
    3/8 1.13,000 psi @ 70° F1-20 to 1802 11/16"Any Angle, Horizontal, VerticalDiesel Fuel, Gasoline, Oil316 Stainless Steel
    		302 Stainless Steel
    		Fluoroelastomer
    		8549T2400000
    1/2 2.42,000 psi @ 70° F1-20 to 1803 3/16"Any Angle, Horizontal, VerticalDiesel Fuel, Gasoline, Oil316 Stainless Steel
    		302 Stainless Steel
    		Fluoroelastomer
    		8549T34000000
     
    NPT Male Inlet × NPT Female Outlet
    1/4 1.13,000 psi @ 70° F1-20 to 1802 9/16"Any Angle, Horizontal, VerticalDiesel Fuel, Gasoline, Oil316 Stainless Steel
    		302 Stainless Steel
    		Fluoroelastomer
    		8549T2500000
    3/8 1.13,000 psi @ 70° F1-20 to 1802 9/16"Any Angle, Horizontal, VerticalDiesel Fuel, Gasoline, Oil316 Stainless Steel
    		302 Stainless Steel
    		Fluoroelastomer
    		8549T2600000
    1/2 2.42,000 psi @ 70° F1-20 to 1803 3/16"Any Angle, Horizontal, VerticalDiesel Fuel, Gasoline, Oil316 Stainless Steel
    		302 Stainless Steel
    		Fluoroelastomer
    		8549T36000000
     
    NPT Male Inlet × NPT Male Outlet
    1/4 1.13,000 psi @ 70° F1-20 to 1802 11/16"Any Angle, Horizontal, VerticalDiesel Fuel, Gasoline, Oil316 Stainless Steel
    		302 Stainless Steel
    		Fluoroelastomer
    		8549T2700000
    3/8 1.13,000 psi @ 70° F1-20 to 1802 11/16"Any Angle, Horizontal, VerticalDiesel Fuel, Gasoline, Oil316 Stainless Steel
    		302 Stainless Steel
    		Fluoroelastomer
    		8549T2800000
    1/2 2.42,000 psi @ 70° F1-20 to 1803 9/16"Any Angle, Horizontal, VerticalDiesel Fuel, Gasoline, Oil316 Stainless Steel
    		302 Stainless Steel
    		Fluoroelastomer
    		8549T38000000
     
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