The ball valves are a new kind of valves that has the characteristics of simple consist, small volume and light weight. They are very reliable, credible, convenient and easy to use, maintain, repair and dismantle and control.

In developed western countries, the application of the ball valve is increasing. And in our country, we need to know why to use ball valve. Actually, the ball valve has been widely used in oil refining, long pipelines, chemistry, paper making, pharmacy, water treatment, electricity etc.

The Differences between Soft Sealed and Hard Sealed Ball Valves are in structure,in process,and in service conditions,in sealing material,we will find from following features for each type.

Ball valve Daily maintenance is very importance,With a long service life and maintenance-free period, it will depend on several factors: normal working conditions, maintaining a harmonious temperature/pressure ratio, and reasonable corrosion data. When the ball valve is closed.

There are Installation instruction and use for ball valve,before installation should check and confirm the environment’s conditions and take care for ball valve when operating it.1. Indoor equipment or outdoor applications with protection methods;2. Outdoor open-air installations, with wind, sand, r

There are five general body styles of ball valves: single body, three-piece body, split body, top entry, and welded. The difference is based on how the pieces of the valve—especially the casing that contains the ball itself—are manufactured and assembled.

Compare ball valve with gate valve,it’s easy to find two kinds valve in the model and both of them are working in difference conditions for pipeline. Main differences are:advantages for working conditions,functions in the pipeline,structure,stroke of valve etc.

The ball valve is composed of valve: body,ball,stem,sealing ring,packing, etc., and the butterfly valve is composed of valve: body,disc,stem,packing,etc. We will find following differences between ball valve and butterfly valve,and these are main points:body’s type,working conditions,operation,etc