A448, 1/4" Hose Barb Diaphragm Check Valve

More Information
Inlet 1/4" Hose Barb
Outlet 1/4" Hose Barb
Diaphragm Viton
Material Polypropylene

1/4" Hose Barb Diaphragm Check Valve, Viton™ Diaphragm, Natural Polypropylene Body

A highly reliable, normally open diaphragm check valve that can be installed in any position. This allows the greatest flexibility when you need backflow protection for a vacuum, gas or liquid system.

The free-floating diaphragm reacts to the slightest difference in pressure across the valve giving it a very rapid response time between free-flow and no-flow conditions.

Manufactured by MPC Novares. ISM is a partner supplier of MPC high quality, automotive grade OEM diaphragm check valves.

  • Operating temperature range: -20°F to 250°F
  • Flow rate: 15 CFH (0.25 CFM) minimum at 5 psig*
  • Functional operating pressures: between 0.5 and 15 psig
  • Sealing pressure: 5 psig back pressure required for a tight seal

*CFH is cubic feet per hour and CFM is cubic feet per minute.

Materials:

Polypropylene plastic is rugged with high bend and tensile strength plus it is very resistant to absorbing moisture. It is also unusually resistant to many chemical solvents, bases and acids.

Viton™ (FKM or FPM) rubber diaphragms have an excellent operating temperature range. FKM is resistant to a wide range of chemicals including ozone, mineral oils and greases, aliphatic, aromatic and chlorinated hydrocarbons, gasoline, diesel fuels, silicone oils and grease. It also has excellent resistance to aging.

We recommend checking chemical compatibility and requesting samples for testing in real operating conditions.

Dimensional Drawing Download