Polypropylene Check Valves

Polypropylene check valves designed to prevent backflow and maintain consistent flow direction in fluid systems. Built with chemical-resistant polypropylene and stainless internal components, these valves provide dependable performance in demanding environments such as pressure washing, soft wash systems, agriculture, and fluid transfer applications.

Featuring a low cracking pressure spring and durable one-piece construction, these check valves open easily under flow while reliably sealing to prevent reverse movement of liquids in your system. The EPDM seal offers excellent resistance to water-based chemicals and many cleaning solutions, making them ideal for professional wash rigs and chemical handling setups.

Available in multiple connection sizes, these valves integrate easily into existing plumbing or manifold assemblies.

Key Features:

• Glass-Reinforced Polypropylene Body provides excellent chemical resistance and long-term durability.

• 316 Stainless Steel (1") or Hastelloy® (1/2" & 3/4") Internal Spring ensures reliable operation and corrosion resistance

• Low 1/3 to 2 PSI Cracking Pressure allows smooth operation with minimal flow restriction.

• EPDM (1") or FKM Seals (1/2" & 3/4") offers strong resistance to water-based chemicals and cleaning solutions.

• Rated up to 300 PSI for dependable use in demanding fluid systems.

• Available Sizes: 1/2" FNPT x FNPT, 3/4" FNPT x FNPT, 1" MNPT x FNPT