Check Valves

CSI Product Program (4)
Check Valves (175)
Trueclean Valves & Components (4)
Alfa Laval C45 Check Valves (8)
Alfa Laval 62-174/326 Air Blow Check Valves (54)
Alfa Laval 45BYMP Check Valves (15)
Alfa Laval LKC-2 Check Valves (58)
Show more
SPI Check Valves (24)
Other Check Valves (16)
Show less
Check Valves (6)
Valves (18)
LKC-2 Horizontal (10)
LKC-2 Vertical (48)
Spirax Sarco Check Valves (7)
QSM Check Valves (9)
Show less
1.5" (6)
2" (6)
2.5" (4)
3" (4)
4" (4)
4.5" (4)
Show less
0.25" (6)
0.375" (6)
1" (6)

  • BALL CHECK VALVE 3" TC BUNA

    Springfield, MO 0 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 0 EA

    $3,482.11 / EA

  • AIR BLOW CHECK VALVE 2.5" TC 0.25" MALE QUICK CONNECT EPDM

    Springfield, MO 0 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 0 EA

    $362.35 / EA

  • SPRING CHECK VALVE 1.5" TC 304 EPDM

    Springfield, MO 0 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 0 EA

    $358.25 / EA

  • AIR BLOW CHECK VALVE 1.5" TC 0.25" MALE QUICK CONNECT

    Springfield, MO 0 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 0 EA

    $256.42 / EA

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

    Springfield, MO 0 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 0 EA

    $407.41 / EA

  • AIR BLOW CHECK VALVE BODY ASSEMBLY 4" TC NO AIR CONNECT EPDM

    Springfield, MO 2 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 0 EA

    $794.36 / EA

  • BALL CHECK VALVE 2" TC VITON

    Springfield, MO 0 EA
    Durham, NC 1 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 0 EA

    $1,717.92 / EA

  • BALL CHECK VALVE 2.5" TC EPDM

    Springfield, MO 0 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 0 EA

    $2,497.64 / EA

  • BALL CHECK VALVE 2.5" TC BUNA

    Springfield, MO 0 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 0 EA

    $2,497.64 / EA

  • BALL CHECK VALVE 1.5" TC EPDM

    Springfield, MO 1 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 0 EA

    $1,183.61 / EA

  • SPRING CHECK VALVE HORIZONTAL 3" TC 316

    Springfield, MO 4 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 1 EA

    $4,353.04 / EA

  • AIR BLOW CHECK VALVE BODY ASSEMBLY 2.5" TC NO AIR CONNECT EPDM

    Springfield, MO 3 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 0 EA

    $577.63 / 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.