... air valve camshaft 空气阀凸轮轴 air vent valve 排气孔阀; 喷气孔阀; 调压阀; 通气阀; 通气孔阀 air-compressor valve 空气压缩机阀门 ...
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... 脉冲式蒸汽疏水阀 impulse steam trap 放气阀（自动放气阀） air vent valve 平板式滑动闸阀 slab type sliding gate ...
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... conical valve 锥形阀 air vent valve 气动调压阀, 排气阀 hpi 高压气儿体步入阀门(可以用于高压端-低压端,或高压保压的气体步入的位置) ...
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Automatic air vent valve 自动放气阀
air-vent valve 空气活门 ; 排气阀 ; 通气阀
combined air vent valve 复合式排气阀
two-way air vent valve 双向通气阀
air vent valve exhaust valve 排气阀
air r vent valve 气动调压阀 ; 排气阀
air vent solenoid valve 通气电磁阀
Before feeding water, air vent valves, pressure gauge valve, water level gauge, burner supply valve and steam supply valve should be opened fully. Other valves and checking manhole close.
上水时，空气阀、压力表阀及水位计通汽通水阀开足，其他阀门和检查门无孔门应一律关闭。
Open vent needle valve and bleed air from hose. Then close vent valve.
开启排气针形阀，并从软管排放空气。然后关闭排气阀。
Vent the piping and test valve body cavity to remove air or steam.
排放管道和试验阀门体腔内的空气或蒸汽。
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