Wafer Single-Disc Swing Check Valve (H74H / H74W / H74Y Series)
Model: H74H / H74W / H74Y
Drive Mode: Automatic
Connection Type: Wafer
Structure Type: Swing Type (Single Disc)
Sealing Type: Metal Seal
Pressure Range: 1.6 MPa – 4.0 MPa
Nominal Diameter: DN50 – DN1000
Common Materials: Stainless Steel, etc.
Key Features:
Compact structure, small volume, and lightweight design.
Fast-closing disc reduces water hammer and pressure surges.
Smooth flow path with low fluid resistance.
Sensitive operation and reliable sealing.
Spring-loaded disc ensures rapid closure.
Can be installed horizontally or vertically.
Suitable for various media, including water, steam, oil, nitrates, and strong oxidizing fluids.
Applications:
Water supply and drainage systems
Steam pipelines
Oil and chemical transport
Industrial pipelines requiring backflow prevention
High-rise building water systems
