And the structure of the soft sealing ring of this product is pressed by a metal ring set in the seat within a groove on the ladder which can't drop and be convenient to change.
而且此产品的软密封结构的密封圈是由金属圈压套在阀座上的阶梯凹槽内，具有密封不脱落，而且可以很方便的更换等优点。
And the structure of the soft sealing ring of this product is pressed by a metal ring set in the seat within a groove on the ladder which can't drop and be convenient to change.
而且此产品的软密封结构的密封圈是由金属圈压套在阀座上的阶梯凹槽内，具有密封不脱落，而且可以很方便的更换等优点。
应用推荐