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dark bar gate valve characteristic:
1.The seal is design with dustproof ring plus three "O" seal ring ,reliable swaling,on -line replaceable.
2.Both gate valve and aluminum bronze bearing are in inaid design good self lubrication,high strengthand can have the aluminum bronze bearing replaced without need to replace the gate integrally,aftere a long time use.
3.rubber wrapped gate anti-corrosion,good tighness.
4.Adcanced surface treatment,coated with non-toxic epoxy resign static powder,anti-corrosion,pullution-free,can be used drinking water pipeline.
5.the body designed without gate solt,the smooth passage will not get impurities filling up,more applicable for sewage working condition.
6.The intergral seal works raliably,for the high pressure seal,leaving zero leakage under 1.5times nominal pressure and,for the low pressure one,under 0.02Mpa.