Feature:

1.More compact structure design: Small in size, light in weight, compact in structure, easy in maintenance.
2.The valve disc is more flexible: Two torsion springs are used excelling on each of the pair valve plates, which close the plates quickly and automatically. The quick-close action prevents the medium from flowing back and eliminates water hammer effect.
3.More rigidity: Short body structure length and good rigidity.
4.Installation more convenient: Easy installation, it can be installed on horizontal and vertical both directions pipes.
5.A more reliable seal: This valve is tightly sealed, without leakage under the pressure water test. Safe and reliable in operation, high interference-resistance.

Materials: