<small id="v1000"></small>
    <strong id="v1000"></strong>

    <progress id="v1000"></progress>
      <ruby id="v1000"><table id="v1000"><b id="v1000"></b></table></ruby>
          2. <strong id="v1000"></strong>

          <strong id="v1000"></strong>
            <ruby id="v1000"><table id="v1000"></table></ruby>
            


            


            
	
	
            
		
			
            
				
            Ammonia liquid pneumatic emergency shut-off valve
            
				Dateline:2014-11-30    Hits:
				
				
            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.
            				 
				
			
            
		
            

            



            


            手機網站
            

            
亚洲精品无码不卡在线_夜夜添无码一区二区三区_国产亚洲日韩网曝_亚洲精品美女久久久

              <small id="v1000"></small>
              <strong id="v1000"></strong>
              

              <progress id="v1000"></progress>
                <ruby id="v1000"><table id="v1000"><b id="v1000"></b></table></ruby>
                    2. <strong id="v1000"></strong>

                    <strong id="v1000"></strong>
                      <ruby id="v1000"><table id="v1000"></table></ruby>