They are the pressure seal valve, the packed valve, and the diaphragm valve.

它们是压力密封阀、衬垫阀和隔膜阀。

Diaphragm valve body flow smoothly, cutting components for the elastic diaphragm, valve cover stuffing.

隔膜阀体流通平滑、节流元件为弹性隔膜阀，阀盖上无填料函。

Relative to the developed countries, China's pneumatic diaphragm valve valve industry is still lag behind.

相对发达国家而言，我国气动隔膜阀阀门行业还比较落后。

Recommended Opening Procedure: The diaphragm valve handwheel rotates about 1 1 /4 turns from fully open to closed.

推荐的开启程序：从彻底打开到关闭，隔膜阀手轮旋转大约11/4圈。

Sanitary pump is single stage, single suction, full closed stainless steel centrifugal pump or pneumatic diaphragm valve.

进口卫生泵的型为单级、单吸、全封闭不锈钢离心泵或者气动隔膜阀。