Check Valves

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. 

Alfa Laval (198)
GEA / Tuchenhagen (4)
QSM (23)
Spirax Sarco (10)
SPX / Waukesha (26)
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Stainless Products (26)
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Air Blow Check Valves (93)
Check Valves (189)
Seat Valves (5)
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)
62B Series (2)
C45 Series (9)
LKC Series (66)
LKC Series Ultrapure (43)
Varivent (1)
W45 Series (18)
W45BY Series (2)
W45HMP Series (1)
W45VMP Series (1)
W60 Series (1)
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LKC-2 (55)
W61 (1)
0.5" (8)
0.75" (6)
1" (21)
1.5" (45)
2" (56)
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2.5" (44)
3" (51)
4" (32)
4.5" (11)
6" (2)
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Tri-Clamp (222)
Butt Weld (42)
FNPT (4)
I-Line (1)
304 Stainless Steel (20)
316 Stainless Steel (44)
316L Stainless Steel (173)

  • CHECK VALVE 1.5" TC 316 SS 20RA WAUKESHA

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

    $1,265.09 / EA

  • AIR BLOW CHECK VALVE 1.5" TC 316L EPDM 1" HOSE BARB SPI SP62B-1.5-E

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

    $186.00 / EA

  • AIR BLOW CHECK VALVE 3" TC 1" HOSE BARB EPDM

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

    $423.07 / EA

  • AIR BLOW CHECK VALVE 1.5" TC 316L EPDM 0.375" FPT SPI SP62C-1.5-E

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

    $203.00 / EA

  • AIR BLOW CHECK VALVE 2" TC 0.5" FPT VITON

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

    $932.09 / EA

  • AIR BLOW CHECK VALVE 3" TC 0.5" FPT EPDM

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

    $1,076.57 / EA

  • AIR BLOW CHECK VALVE 2" TC 0.375" FPT VITON EPDM

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

    $910.00 / EA

  • AIR BLOW CHECK VALVE 2" TC 316L EPDM 0.375" FPT SPI SP62C-2-E

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

    $210.00 / EA

  • AIR BLOW CHECK VALVE 2" TC 316L EPDM 0.5" FPT SPI SP62C-2-0.5-E

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

    $296.60 / EA

  • AIR BLOW CHECK VALVE 3" TC 316L EPDM 0.375" FPT SPI SP62C-3-E

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

    $290.00 / EA

  • AIR BLOW CHECK VALVE 4.5" TC 0.375" FPT EPDM

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

    $634.43 / EA

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

    Springfield, MO 5 EA
    Durham, NC 0 EA
    Modesto, CA 0 EA
    Grand Prairie, TX 2 EA

    $1,039.58 / EA