1. Small in size, light in weight, compact in structure,easy in maintenance.
2. Two torsion springs are used excreting on each of the pair valve plates,which close the plates quickly And automatically.
3. The quick-close action prevents the medium from flowing back and eliminates water hammer effect.
4. Short body structure length and good rigidity.
This kind of check valve is mainly used for systems in the industries of petroleum, chemistry, textile, paper- making, water supply and drainage, metallurgy, energy etc.