valve cock 阀栓 ; 旋塞 ; 龙头阀
lift-type valve cock 升式阀旋塞
pneumatic cylinder cock valve 风动汽缸排水阀阀门
cylinder cock valve 汽缸排水操纵阀
pressure cock valve 压力旋塞阀
gage cock valve 水位旋塞阀
cock valve 旋塞阀 ; 旋阀
intercepting valve cut-out cock 截断阀
Kelly Cock Valve 方钻杆旋塞阀
We suggest the use of a model DET expansion tank, the Watts Governor 80 ball cock with integral thermal expansion relief valve, or a 530C calibrated pressure relief valve.
我们建议采用型号DET膨胀罐，美国瓦茨Governor 80球形旋塞带整体热膨胀安全阀，或一个530C刻度压力安全阀。
Metal cock ring soft seat surface pressure to the bearing surfaces, such as the valve core and valve seat is concentric ring surface can be a double tight closure.
金属旋塞表面压向阀座环软支座表面，如阀芯和阀座环表面是同心的，就能得到双重严密的关闭。
It has the same movement rotated 90 degrees to mention only difference is that Jacket Ball Valve cock body is a sphere, a circular through-hole or channel through its axis.
它具有相同的旋转90度提动作，不同的是旋塞体是球体，有圆形通孔或通道通过其轴线。
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