Hard Seal Ball Valves and Soft Seal Ball Valves

Hard Seal Ball Valves and Soft Seal Ball Valves

Hard seal ball valves and soft seal ball valves have several differences, including structure, materials and standards.   Soft sealing materials In terms of sealing materials used in ball valves,...

Check Valves Prevent Water Hammer in Heating System

Check Valves Prevent Water Hammer in Heating System

With national economy developing and living standard improving constantly in China, urban heating system has already replaced of household decentralized heating furnace. Currently, cities such as Beijing...

5 Features of Trunnion Mounted Ball Valve

5 Features of Trunnion Mounted Ball Valve

The followings are 5 features of trunnion mounted ball valve:   1. Easy operation: The ball is supported by upper and lower shafts, reducing friction and eliminating exaggerated torque caused by...

Categories of Discs in Gate Valves

Categories of Discs in Gate Valves

Discs in gate valves can be classified into several categories:   1. Wedge single disc Compared with elastic gate valves, wedge single disc gate valves have simple structure; Under high temperature,...

Features of Stainless Steel High Pressure Ball Valve

Features of Stainless Steel High Pressure Ball Valve

Stainless steel high pressure ball valve is manufactured by using forging. The density of material is higher than that of material by casting. Forging is quite suitable for manufacturing high pressure...

Factors for Choosing Workblanks of Valves

Factors for Choosing Workblanks of Valves

Valves have wide usage. Nevertheless, valves play a great role in industries. For example, in power plants, valves can be used to control operation of boilers and turbines. In petroleum and chemical industry,...

Features of High Pressure Casting Globe Valves

Features of High Pressure Casting Globe Valves

In terms of high pressure casting globe valves, passageway variation in seat has direct proportion relationship with stroke of disc. The stem of high pressure casting globe valves has relative short stroke...