真空破坏阀    vacuum breaker valve

气阀摇臂    valve arm

阀门传动装置    valve bandle set

阀室式活塞泵    valve box type piston pump

阀箱    valve chest

阀板    valve deck plate

阀板式活塞泵    valve deck plate type piston pump

阀驱动臂    valve driving arm

阀挡    valve grid

阀箱；阀限位器    valve guard

阀抬起装置    valve lifting device

阀操纵杆    valve operating rod

阀门盘根    valve packing

阀室式活塞泵（美）    valve pot type piston pump

阀座；阀盘    valve seat

阀痤槽    valve seat recess

阀簧压板    valve spring plate

阀导杆    valve tail rod

阀形活塞泵    valve type piston pump

阀框架    valve yoke

阀控水锤泵    valve-controlled hydraulic ram

无阀隔膜泵    valveless diaphragm pump

无阀泵    valveless pump

阀门和管件    Valves and Fittings

升降速度仪    variometer?

垂直板式蝶阀    Vertical disc type butterfly valve

竖向分布    vertical distribution?

升降立式止回阀    Vertical lift check valve

竖直摆    vertical pendulum?

竖直截面    vertical section?

竖直厚度    vertical thickness?

语音干扰分析系统    Voice Interference Analysis System

体积式量计    volumetric flowmeter?

Mega or million volt M    V兆伏特

Maga or million electron volts Me    V兆电子伏特

Kiloelectron volt ke    V千电子伏特

Vee path    V型行程