高清性色生活片免费播放网,亚洲综合色区另类AⅤ,无码精品人妻一区二区三区AV,99视频国产精品免费观看

Current Location:HomeProductsWater system control valveRubber flap check valve Rubber flap check valve

Rubber flap check valve

Product description :

We provides no impact sound rubber flap check valve has unique, satisfy the requirements more stringent; the rubber check valve not only zero leakage, because the valve flap is fully coated with NBR rubber device and a 40 degree angle, can greatly reduce the water hammer and the water hammer.

Characteristic:

The whole valve cover glue, to ensure the purity of the media, long service life.

Low pressure, low pressure sealing performance.

Basin design, small head loss.

Low pressure opening and closing performance is good.

Can be equipped with hydraulic buffer cylinder, increase slow closing function.

Body surface spray powder epoxy resin, good corrosion resistance.

Valve with NBR rubber coating, corrosion resistance, and good sealing performance.

The utility model has the advantages of simple structure, and only an elastic valve disc is arranged inside the valve body.

Full flow design, small head loss, not easy to accumulate debris, easy maintenance.


View Detail
少妇性荡欲午夜性开放视频剧场| 白嫩少妇BBw撒尿视频| 无码国产精品久久一区免费| 精品深夜AV无码一区二区老年| 浓毛少妇牲交| 在线天堂www中文|