不缩径给水塑料截止阀

Plastic cut-off valve without thoroughfare reduced

分析了普通给水塑料截止阀阀体流道通径缩小的原因,介绍了一种新型的阀体通径不缩小的给水塑料截止阀。

The shortcuts of the common plastic cut-off valve which used in China＇ s pipe engineering are revealed, The causes of the thoroughfare reduced in the common plastic cut-off valve are analysed emphatically. A new type of plastic cut-off valve without thoroughfare reduced is introduced. And the applied effects of the new type of the plastic cut-off valve are described briefly.