Ball check valve C1-191932

threadedbackflowmedium-pressure

Description
The WEH® medium pressure check valve reliably prevents backflow by allowing fluid to flow in one direction only. It is designed for use with MP fittings and is suitable for both gaseous and liquid media, with variants adapted to different sealing and pressure‑cycle requirements.

Versions

• O‑ring sealing for enhanced tightness, especially for gaseous media
• Metal ball sealing for frequent pressure cycles and lower tightness demands, especially for liquid media

Technical data
Nominal diameter: 3.18 mm
Max. operating pressure at B2: PS = 1,379 bar / 20,000 psi
Pressure range (PS): 1,379 bar / 20,000 psi
Opening pressure PC: 0.97 - 1.79 bar (14 - 26 psi)
Temperature range (O‑ring version): -17.8°C to +204°C
Materials: High‑strength stainless steel
Sealing materials: FKM
Configuration: O‑ring sealing
Connection geometry: MP‑Fitting 60° Cone & Thread
Conformities / Tests / Approvals: Pressure equipment type: pipeline‑like pressure‑retaining equipment according to Article 2, No. 5 of the Pressure Equipment Directive
Classification: Article 4(3)

Features

• Delivered with preassembled pressure rings and pressure screws
• High flow capacity due to large nominal diameter
• Available in two variants (O‑ring or ball sealing)
• Compatible with pipe threads from 1/4" to 1" (outer diameter)

Application
WEH® medium pressure check valves are intended for liquid and gaseous media of fluid group 2 DGR. Special executions for hydrogen applications are available.

CAD
CAD files available via TraceParts.

Characteristics / technical specifications

• Nominal diameter: 3.18 mm
• Max. operating pressure at B2: 1,379 bar / 20,000 psi
• Opening pressure PC: 0.97 - 1.79 bar (14 - 26 psi)
• Temperature range (O‑ring version): -17.8°C to +204°C
• Materials: High‑strength stainless steel
• Sealing materials: FKM
• Connection geometry: MP‑Fitting 60° Cone & Thread