A tariff-related surcharge may be applied to orders affected by recent tariff implementations for imported goods. Tariff-Related Surcharge Notification

Check Valves

Valin supplies a wide selection of dependable, high-quality check valves, in a variety of materials, end connections and seals engineered for a diverse range of applications requiring backflow prevention, elimination and protection.

Check Valves

712 items

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Parker 4F-CO4L-100-V-SS
    4F-CO4L-100-V-SS Parker CO Series O-Ring Poppet Check Valve
    4F-CO4L-100-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: FNPT

    End 2 Type: FNPT

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" FNPT ends, 100 psig crack pressure, fluorocarbon rubber seal
    Quote Required Request a Quote
    Add to Cart
    Add to Wish List
    Qty in Cart: 0
    Price:
    Subtotal:
    Choose Options
  • Parker 4F-C4L-1-B
    4F-C4L-1-B Parker C-Series Check Valve
    4F-C4L-1-B

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: FNPT

    End 2 Type: FNPT

    Parker C-Series Check Valve, brass body, 1/4" FNPT ends, 1 psig crack pressure, fluorocarbon rubber seal
    Quote Required Request a Quote
    Add to Cart
    Add to Wish List
    Qty in Cart: 0
    Price:
    Subtotal:
    Choose Options
  • Parker 4F4M-C4L-10-B
    4F4M-C4L-10-B Parker C Series Check Valve
    4F4M-C4L-10-B

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: FNPT

    End 2 Type: MNPT

    Parker C-Series Check Valve, brass body, 1/4" FNPT (inlet) x 1/4" MNPT (outlet), 10 psig crack pressure, fluorocarbon rubber seal
    Quote Required Request a Quote
    Add to Cart
    Add to Wish List
    Qty in Cart: 0
    Price:
    Subtotal:
    Choose Options
  • Parker A-lok 4A-CO4L-5-V-SS
    4A-CO4L-5-V-SS Parker CO-Series O-Ring Poppet Check Valve
    4A-CO4L-5-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: Double Ferrule Compression

    Parker A-lok CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" double ferrule tube fitting ends, 5 psig crack pressure, fluorocarbon rubber seal
    Quote Required Request a Quote
    Add to Cart
    Add to Wish List
    Qty in Cart: 0
    Price:
    Subtotal:
    Choose Options
  • Parker A-lok 4A-CO4L-5-KZ-SS
    4A-CO4L-5-KZ-SS Parker CO-Series O-Ring Poppet Check Valve
    4A-CO4L-5-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: Double Ferrule Compression

    Parker A-lok CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" double ferrule tube fitting ends, 5 psig crack pressure, Kalrez seal,
    Quote Required Request a Quote
    Add to Cart
    Add to Wish List
    Qty in Cart: 0
    Price:
    Subtotal:
    Choose Options
  • Parker A-lok 4A-CO4L-1-V-SS
    4A-CO4L-1-V-SS Parker CO-Series O-Ring Poppet Check Valve
    4A-CO4L-1-V-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: Double Ferrule Compression

    Parker A-lok CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" double ferrule tube fitting ends, 1 psig crack pressure, fluorocarbon rubber seal
    Quote Required Request a Quote
    Add to Cart
    Add to Wish List
    Qty in Cart: 0
    Price:
    Subtotal:
    Choose Options
  • Parker 4A-CO4L-10-KZ-SS
    4A-CO4L-10-KZ-SS Parker CO Series O-Ring Poppet Check Valve
    4A-CO4L-10-KZ-SS

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: Double Ferrule Compression

    Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" double ferrule tube fitting ends, 10 psig crack pressure, Kalrez seal
    Quote Required Request a Quote
    Add to Cart
    Add to Wish List
    Qty in Cart: 0
    Price:
    Subtotal:
    Choose Options
  • Parker A-lok 4A-CO4L-1/3-V-SS-C3
    4A-CO4L-1/3-V-SS-C3 Parker CO-Series O-Ring Poppet Check Valve
    4A-CO4L-1/3-V-SS-C3

    Parker Hannifin

    Product Type: Check Valves

    End 1 Type: Double Ferrule Compression

    End 2 Type: Double Ferrule Compression

    Parker A-lok CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" double ferrule tube fitting ends, 1/3 psig crack pressure, fluorocarbon rubber seal, oxygen cleaned
    Quote Required Request a Quote
    Add to Cart
    Add to Wish List
    Qty in Cart: 0
    Price:
    Subtotal:
    Choose Options
  • Total: items /

Adding your products to cart

View Cart Continue to Shopping
loader

Please wait while the screen is loading