- Ball Valve
- 2016-10-26 05:46
- 1.The way of bady are consonant with pipe diameter,lower resistance,no flow back.2.Seal with PTFE material.3.Operation s
- Check Valve
- 2016-10-23 13:58
- 1.Valve wall streamlined design,a smaller flow resistance,a smooth folw.2.Flexible seat seal.Sealing a better effect.3.S