亚洲欧美久久久久久久久久久久-亚洲欧美久久久一区二区三区-亚洲欧美另类在线-亚洲欧美另类在线图片区-亚洲欧美日本另类3344-亚洲欧美日韩αv在线电影

current location: Home   >> News >> Company news

Introduction to forged steel ball valve

The forged steel ball valve is mainly used for long-distance pipeline transportation of oil and natural gas and urban gas pipeline system. Because of the unique characteristics of long-distance pipeline valves, they are fully designed

Considering its ability to withstand pipeline stress, safety, weather resistance, long-term reliability, etc.

The operating modes are manual - worm and worm wheel drive, pneumatic, electric, pneumatic/hydraulic linkage, electrical/hydraulic linkage, and various special control forms.

Some forged ball valves are marked with arrows on the body. If there is no English FIOW writing attached, it is the direction of sealing seat. It is not used as a reference for medium flow.

The valve leaks in the opposite direction. Normally, two - seat sealed ball valves have two-way flow.進入翻譯頁面