Home / Plumbing / Check Valves / Check Valve 426 Series PVC Gray 1/4" FPT BUNA

Check Valve 426 Series PVC Gray 1/4" FPT BUNA

Part Number: 5721090
Alt. Part Number: PVC 426-4F4F-B
Your price:
The 426 Series Check Valve prevents reverse flow and cross contamination and its design promotes multiple configurations to fit the exact end use application. Gray PVC with 1 psi stainless spring and ball is the standard configuration. PVC is a NSF Standard 61 Approved Material. Nylon, PVDF (Kynar®) and Glass Filled Polypropylene are available for chemical resistance applications. MakroBlend is an NSF Standard 51 Approved Material. Hastelloy is a superior chemically resistant spring material. Teflon® balls are standard with Hastelloy springs for chemical resistance applications.

  • Material Options Gray PVC (Standard), White PVC, White Polypropylene, Black Nylon,White Nylon, MakroBlend, Black PVDF (Kynar®)
  • Seal Options Buna-N (Standard), Ethylene Propylene, Fluoroelastomer (Viton®)
  • End Options 1/8, 1/4 Male and Female NPT1/8, 1/4, 5/16, 3/8, 1/2 Hose Barb1/8, 1/4 JACO1/4, 3/8 SMC Push-To-Connect3/8 BIB (Smooth Barb)
  • Cracking Pressure 1 psi (Standard)
  • Ball Material 316 Stainless Ball with 302 Stainless Spring (Standard), Teflon® Ball with Hastelloy Spring
NOTE: Options are available by special order with a minimum order of 100 units. Please call to place a special order with varying options.

California residents Prop 65 Warning
This product contains materials known to the State of California to cause cancer and birth defects or other reproductive harm. www.p65warnings.ca.gov