治愈系动画专精,最新亚洲人成网站在线观看 ,女人被狂躁到高潮视频免费网站,神马影院我不卡手版

Ammonia liquid pneumatic emergency shut-off valve

Dateline:2014-11-30    Hits:loading_

Hydraulic emergency cut off valve is a safety protective valve, installed in the liquefied petroleum gas storage station, liquid and gas pipeline, and long-distance hand pump(type SB03-175) supporting the use, the use of hydraulic control valve open close, so that produce large leak even fire in a pipe or tank, fast hand to hand pump discharge pressure, high temperature or the fusible alloy melt, and the valve cylinder automatic pressure relief, rapid closure of the valve and the leakage stopping, play the role of security protection.

手機網(wǎng)站