Main Features
The most unique advantage is only dedicated handwheel or hand shank can open/closed,effectively prevent nomanaging people from using it.
1). The sealing is designed with dustproof ring and three "O"-sealing rings, reliable sealing,replaceable.
2). Both gate and bronze bearing are designed of good self lubrication, high strength,which also can replaced aluminum bronze bearing without to replace the gate integrally after a long time use.
3). Rubber wrapped gate anti-corrosion, good tightness.
4). Advanced surface treatment, coated with non-toxic epoxy resign static powder, anti-corrosion, pollution-free, can be used drinking water pipeline.
5). The body is designed without gate slot, the smooth passage will not get impurities filling up , more applicable for sewage working condition.
6). The integral seal works raliably. For the nominal pressure, leaving zero leakage under1.5 times for the low pressure one ,under 0.02Mpa.
