旋塞阀

The assembly shall also include two resilient seated isolation valves, four resilient seated test cocks and an air gap drain fitting.

这种总成还应该包括两个弹性密封隔离阀，四个弹性密封测试旋塞和一个气隙排放连接件。

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。

Because the director and the length of the next guide in the maximum length between, so as result of the lateral process logistics cocks movement is not a problem, but this type of director the required tolerance, unlike the double top stem guide as strict.

因为上导向器和下导向器之间的长度位于最大长度，因此由于工艺物流造成的侧向旋塞运动不是一个问题，而且这种类型的导向器所要求的容许偏差，不像双顶部阀杆导向器的那样严格。

Open test cock No. 2 and needle valve "A" high side on test kit.

Step 3 开启测试旋塞2号和检测组件上的针形阀"A"高端。

The test cock is on the inlet side of the shutoff valve.

测试旋塞是在关闭阀的进口端上。

Four way ball valve ; four way cock ; sealing performance ; operating torque.

四通球阀；四通旋塞；密封性；操作力矩

Open test cock No.1 and No. 3 admitting line pressure to downstream side of second check valve.

开启测试旋塞1号和3号，是管道压力传到第二止回阀的下游一侧。

Cocks, the top cone FLANGE-CONNECTION LIFTING PLUG VALVE ACC.

旋塞锥体的上部有一止回阀。

Open needle valve "A" high side, then open needle valve "B" low side one turn, loosen hose at test cock No.

开启针形阀&A&高端，然后开启针形阀&B&低端一圈，松开测试旋塞4号上的软管以排放空气。

Open needle valve "A" high side, then open needle valve "B" low side one turn, loosen hose at test cock No. 4 to remove air.

开启针形阀A高端，然后开启针形阀B低端一圈，松开连接到测试旋塞4号的软管，排出空气。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。