Check Valves

Check Valves

The check valves are primarily used in water, wastewater, and drinking water applications. They are designed for reliable, maintenance-friendly operation and can be customized to meet a wide range of process requirements.

Technical Specifications

  • Nominal sizes: DN 50 (2″) to DN 2000 (80″) – larger sizes available on request

  • Pressure ratings: PN 10 to PN 160 / ANSI Class 150 – 900
    (high-pressure designs available on request)

  • Temperature range: –196°C to +800°C

  • Material design: According to customer specifications
    (available in carbon steel, stainless steel, and special alloys)

  • Connections: Flanged or welded ends

  • Special face-to-face lengths: Available on request

  • Sealing materials: EPDM, NBR, HNBR, PTFE

  • Metal-seated options: Available

Design Versions

  • Single, double, or triple eccentric design

  • Multi-eccentric configurations ensure zero leakage, wear-free operation, extended service life, and optimized torque characteristics

  • Special versions for oxygen service

  • Low pressure loss due to optimized flow design

  • Enhanced bearing seals for aggressive media