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    7 Products

    Check Valves with Push-to-Connect Fittings

    Insert tubing into the push-to-connect fittings—no heat, solder, or flux required. These valves open to allow flow in one direction and close when flow stops or reverses.
    Nickel-Plated Brass Body—Push-to-Connect Female Inlet × Push-to-Connect Female Outlet Straight
    Image of Product. Push-to-Connect Female Inlet x Push-to-Connect Female Outlet Straight. Front orientation. Contains Annotated. Straight. Check Valves with Push-to-Connect Fittings, Nickel-Plated Brass Body, Female.

    Push-to-Connect Female

    Inlet x Push-to-Connect

    Female Outlet Straight

    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.
    For Tube
    OD
    Flow Coefficient
    (Cv)
    Max. Pressure
    @ Temp.
    Min. Opening
    Pressure, psi
    Temp. Range,
    ° F
    End-to-End
    Lg.
    For Use With
    Piston
    Material
    Spring Material
    Seal Material
    Each
    1/4"Not Rated115 psi @ 70° F30 to 1602 1/16"Air, Argon, Helium, Krypton, Neon, Nitrogen, Oil, Water, XenonBrass302 Stainless Steel
    		Viton® Fluoroelastomer
    		1866T114000000
    3/8"Not Rated115 psi @ 70° F30 to 1602 1/4"Air, Argon, Helium, Krypton, Neon, Nitrogen, Oil, Water, XenonBrass302 Stainless Steel
    		Viton® Fluoroelastomer
    		1866T11500000
    4 mmNot Rated115 psi @ 70° F30 to 1751 3/4"Air, Helium, Krypton, Neon, Nitrogen, Oil, Water, XenonBrass302 Stainless Steel
    		Buna-N
    		1866T11100000
    6 mmNot Rated115 psi @ 70° F30 to 1752 1/16"Air, Helium, Krypton, Neon, Nitrogen, Oil, Water, XenonBrass302 Stainless Steel
    		Buna-N
    		1866T11200000
    8 mmNot Rated115 psi @ 70° F30 to 1752 1/4"Air, Helium, Krypton, Neon, Nitrogen, Oil, Water, XenonBrass302 Stainless Steel
    		Buna-N
    		1866T11300000

    Check Valves with Barbed Fittings for Vacuum

    Image of Product. Front orientation. Check Valves. Check Valves with Barbed Fittings for Vacuum.
    Barbs grip onto tubing, providing a secure hold to prevent vacuum loss in tubing lines. These valves open to allow flow in one direction and close when flow stops or reverses.
    For Tube ID
    Max. Pressure
    @ Temp.
    Temp. Range,
    ° F
    Color
    End-to-End
    Lg.
    Vacuum Rating,
    in. Hg
    For Use
    With
    Disc
    Material
    Seal
    Material
    Each
    Polyethylene Body
     
    Barbed × Barbed
    1/4", 5/16" 20 psi @ 150° F35 to 150White2 3/4"29.9Air, WaterNeoprene
    		Polyethylene4610K1300000
    3/8", 7/16", 1/2" 20 psi @ 150° F35 to 150White3 3/16"29.9Air, WaterNeoprene
    		Polyethylene4610K170000
     
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