Forged steel gate valve body bonnet connection design form has three kinds:

The first is the valve body bonnet bolted forged steel gate valve, according to this connection form design of the valve, its valve body and bonnet bolted connection, winding gasket seal, the advantage is to facilitate the use of the process of valve maintenance.

The second type of valve body bonnet welded connection forged steel gate valve, according to this connection form design of the valve, its valve body and bonnet using full weld seal, the biggest advantage is zero external leakage.

The third is the pressure of self-tightening bonnet forged steel gate valve, according to this connection form design of the valve, the valve body and sealing gland with screw mosquito connection, internal pressure from the sealing ring seal, the advantage is that the greater the internal pressure, the better its sealing performance. You can choose our forged steel valves according to the actual situation.

Product structure

1、Full diameter or reduced diameter;

2、Open rod bracket type;

3、Self-centering pressure plate pressure sleeve type;

4、Bolt connection, all-welded seal connection and internal pressure self-tightening connection bonnet;

5、Integrated upper sealing seat.

Scope of application

Urban construction, chemical industry, metallurgy, petroleum, pharmaceutical, food, beverage, environmental protection, etc.