The 110 Check Valves incorporate a Guided Piston with an embedded o-ring that seals on the seat, providing a positive seal at low back pressure or a slight vacuum.
The 110 Check Valves have a 1 psi Cracking Pressure and are rated to 125 psi.
A 1 psi Hastelloy Spring is available for chemical resistance applications.
The Shuttle Valves incorporate a double o-ring guided piston to provide a positive seal at approximately 1/2 psi pressure differential between the Side Inlet Ports.
The Shuttle Valves are Electroless Nickel Plated Brass inside and out.