国产成人精品成人a在线观看-999视频在线-久久的久久爽亚洲精品aⅴ-精品午夜福利在线视在亚洲-成人网页在线观看-亚洲国产成av人天堂无码-精品国产乱码久久久久久婷婷-天堂√在线-95精品视频-偷拍亚洲欧美-日韩视频在线一区二区-国产亚洲网-丁香六月啪啪-日本免费黄色-精品国产福利在线视频

Application：
This product is widely used in the field of petrochemical, light industry, metallurgy, power plant, water supply and drainage, shipping, military project, food, pharmaceuticals industry etc corrosive and un-corrosive gas, liquid, semi-liquid. It can also adjust and cut off liquid.

Performance：
Working Pressure：1.0～4.0Mpa
Temperature（T）：T≤300℃
Transmission：water, stream, oils etc