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(jìn)入翻譯頁面