A105 Material Black color welding End Rising Stem DN15~DN50 Flanged Gate Valve

designs

Forged steel gate valves have three bonnet designs

One is the bolted bonnet. For the valve designed according to this design form, the valve body and bonnet are connected with bolts and nuts, and the spiral wound gasket (made of 316 clamp flexible graphite) is sealed Metal rings can also be used for connection when customers have special requirements

The second design form is the Welded Bonnet. For the valve in this design form, the valve body and bonnet are connected by threads and sealed by full welding Penetration welding can also be used when customers have special requirements

The third is the self sealing valve cover. For the valve designed according to this design form, the valve body and the valve cover are connected with threads, and the internal pressure self sealing ring is sealed

Main parts and material 

Ordering instructions

1. ① Product name and model of threaded gate valve

    ② diameter of threaded gate valve

    ③ whether the threaded gate valve is equipped with accessories for our correct selection

    ④ service pressure of threaded gate valve

    ⑤ temperature of medium used by threaded gate valve.

2, If the model of threaded gate valve has been selected by the designer, please order directly from the Sales Department of our company                 according to the model of threaded gate valve.

3, When the occasion is very important or the environment is complex, please try to provide design drawings and detailed parameters