Check Valves

Alfa Laval (147)
QSM (23)
Spirax Sarco (10)
Stainless Products (26)
Air Blow Check Valves (91)
Check Valves (115)
45BYMP Series (15)
62-156 Series (4)
62-174 Series (50)
62-261 Series (14)
62-325 Series (4)
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62-326 Series (18)
C45 Series (9)
LKC Series (58)
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LKC-2 (58)
0.5" (8)
0.75" (6)
1" (12)
1.5" (32)
2" (39)
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2.5" (33)
3" (36)
4" (20)
4.5" (11)
6" (2)
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Tri-Clamp (173)
Butt Weld (20)
FNPT (4)
304 Stainless Steel (16)
316 Stainless Steel (75)
316L Stainless Steel (71)

  • SPRING CHECK VALVE 2" TC 316 EPDM

    Springfield, MO 6 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 3 EA
    Dodge City Will Call 0 EA

    $451.06 / EA

  • SPRING CHECK VALVE 3" TC 316 EPDM

    Springfield, MO 4 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 2 EA
    Dodge City Will Call 0 EA

    $760.10 / EA

  • SPRING CHECK VALVE 1.5" TC 316 EPDM

    Springfield, MO 5 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 1 EA
    Dodge City Will Call 0 EA

    $384.62 / EA

  • BALL CHECK VALVE 2" TC BUNA

    Springfield, MO 1 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 0 EA
    Dodge City Will Call 0 EA

    $1,616.80 / EA

  • SPRING CHECK VALVE 2.5" TC 316 EPDM

    Springfield, MO 0 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 3 EA
    Dodge City Will Call 0 EA

    $617.77 / EA

  • AIR BLOW CHECK VALVE BODY ASSEMBLY 2" TC NO AIR CONNECT EPDM

    Springfield, MO 4 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 0 EA
    Dodge City Will Call 0 EA

    $266.14 / EA

  • SPRING CHECK VALVE 2" TC 304 EPDM

    Springfield, MO 0 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 1 EA
    Dodge City Will Call 0 EA

    $420.89 / EA

  • SPRING CHECK VALVE 2" TC 316 VITON

    Springfield, MO 0 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 1 EA
    Dodge City Will Call 0 EA

    $490.07 / EA

  • SPRING CHECK VALVE 1.5" 316 VITON

    Springfield, MO 0 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 0 EA
    Dodge City Will Call 0 EA

    $419.67 / EA

  • AIR BLOW CHECK VALVE BODY ASSEMBLY 1.5" TC NO AIR CONNECT EPDM

    Springfield, MO 1 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 0 EA
    Dodge City Will Call 0 EA

    $211.15 / EA

  • AIR BLOW CHECK VALVE BODY ASSEMBLY 3" TC NO AIR CONNECT EPDM

    Springfield, MO 1 EA
    Durham, NC 2 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 0 EA
    Dodge City Will Call 0 EA

    $514.07 / EA

  • SPRING CHECK VALVE 1" TC 316 EPDM

    Springfield, MO 1 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 0 EA
    Dodge City Will Call 0 EA

    $325.49 / EA

CSI stocks a variety of Alfa Laval and TrueClean check valves with specific designs to meet your application needs.

Whether your application requires protection from reverse product flow, pressure surges, or system shutdowns, we have the valve your process line needs. We have valves designed to protect pipelines from corrosion, evacuate lines of product or clean-in-place (CIP) solution, vent air from the system, and thoroughly mix and blend your product.