PCV - Poppet Check Valve

Intended to prevent reverse flow in gas and liquid systems with NPT, dual ferrule or face seal connections.

Suitable for inert gases, oxygen, oxidizer gases > 21 % and hydrogen subject to proper system design, cleaning and media compatibility.

Cracking pressure range: 0.02 to 1.7 bar. Maximum operating pressure: 206 bar at 21 °C.

Allowable operating temperature: -62 °C to +190 °C, depending on seal material.

Poppet check valve with fully retained O-ring seal and interchangeable connection options for demanding gas and liquid applications.

Function: Check valve for reverse-flow prevention with full pressure rating in the checked direction.

Media: Suitable for inert gases, oxygen, oxidizer gases > 21 % and hydrogen subject to proper system design and media compatibility.

Testing / setting: 100 % factory tested for crack, leakage and reseat performance. Nominal cracking pressures: 0.02, 0.07, 0.7 and 1.7 bar.

Oxygen service: Optionally cleaned and packaged for oxygen service in accordance with CGA G-4.1.

Seals: Various seal materials available, combined with metal-to-metal positive stop for long service life.

Allowable operating temperature: -62 °C to +190 °C, depending on seal material.

Connections: 1/8" to 1/2" dual ferrule tube, female NPT, male NPT and 1/4" face seal.

Flow direction: Install with the arrow pointing in the free-flow direction.

Available special versions / options:

· oxygen cleaning in accordance with CGA G-4.1

· alternative seal materials

· alternative connection combinations on request