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 valveElastic valve seat Elastic valve seat

Elastic valve seat

Product description :

The elastic valve seat seal provides high quality, to meet the more stringent requirements in twenty-first Century; the 20/29 series elastic valve seat seal not only exceed the standard specification, and its flow characteristic and unique ability, the valve not only zero leakage, and zero pressure under the condition of complete sealing; high performance elastic valve seat seal meet different working conditions.

Characteristic:

Air hole (3000V).

Very high resistance.

High elasticity, not brittle crack.

Smooth surface, no induration.

High adhesion to metal (minimum 12 N/mm2).

Full compliance with drinking water standards.

All bore valves can withstand 6.4Mpa casing pressure test.

Minimum coating thickness 150 m, a minimum of 80 m at right angle.

Electrostatic coating of epoxy resin to ensure excellent corrosion resistance.


View Detail
色欲aV无码一区二区人妻| 四虎无码永久在线影库网址一个人| 无码超级大爆乳在线播放| 小仙女jk情趣白丝喷水视频| 亚洲精品有码在线观看| 特级小箩利无码毛片|