ball cock

Safety Valve, Ball Valve, Needle Valve, Y-type Cylinder Control Valve, Y Cylinder Valve, Check Valve Cock.

采购产品安全阀, 球阀, 针形阀, Y型气缸控制阀, y筒形阀, 止回阀.

Cock and ball 2.3.3 : headstock were plunger or ball, rotating around its own axis.

旋塞和球形: 启闭件是柱塞或球体, 围绕本身的轴线旋转.

A triple purpose product featuring a toilet tank ball cock fill valve, anti-siphon backflow preventer, and a thermal expansion relief valve.

一种三用产品，具有马桶水箱浮球注水阀，反虹吸防回流阀，和热膨胀安全阀。

Cock valves and ball valves should be in their unopened positions to prevent from the contamination of sealing surfaces by dust.

闸阀、截止阀、节流阀、调节阀、蝶阀等阀门应处于全闭的位置。旋塞阀、球阀应完全处于全开启位置，以防止灰尘沾染密封面。