Ductile Iron Rubber Disc Swing Check Valve 40-350mm DN 1.6MPa PN For Water Pipeline Systems
The H44X (SFCV) series ductile iron rubber disc swing check valve is engineered for water pipeline applications, featuring a robust design with exceptional durability and reliable backflow prevention capabilities.
| Parameter | Specification |
|---|---|
| Type Number | HQ41X-16Q |
| Nominal Pressure PN | 1.6 MPa |
| Nominal Diameter DN | 40-350 mm |
| Test Pressure (Strength) | 1.5 times nominal pressure |
| Test Pressure (Sealing) | 1.1 times nominal pressure |
| Material | QT450 Ductile Iron |
| Suitable Medium | Water, Sewage |
| Working Temperature | ≤80°C |
| Connection Type | Flange |
| Operation Method | Automatic |
Primarily designed for horizontal installation in water supply and drainage systems. Ideal for pump outlets to prevent backflow and protect against water hammer damage. Suitable for bypass pipes in reservoir inlet/outlet systems to maintain system integrity.
Recommended for clean water media applications. Not suitable for systems containing solid particles or high-viscosity fluids. Ensures automatic closure during power interruptions to safeguard pump equipment and pipeline networks.
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