High pressure welded gate valves are suitable for cutting off or connecting pipeline media in various systems of petroleum, chemical, hydraulic, and thermal power plants with nominal pressure PN16.0-32.0Mpa and working temperature ≤ 540 ℃ (with P57170V working temperature of 570 ℃). Applicable media include water, oil, acidic media, etc. The operation methods include manual, gear transmission, electric, etc.

Structural features:

1. High pressure welded gate valves are designed and manufactured according to standards such as JB/T3395, and can be used in conjunction with domestic equipment.

2. The valve chamber adopts a pressure self tightening sealing structure, and the better the sealing performance. The two ends of the branch pipe are welded structures.

3. The sealing surfaces of the gate and valve seat are made of Stellite cobalt based hard alloy welded together, which is wear-resistant, high-temperature resistant, corrosion-resistant, and has good abrasion resistance.

4. The valve stem has undergone quenching and surface nitriding treatment, which provides good corrosion resistance and abrasion resistance.

5. The structure of the opening and closing components can be designed in different forms such as single board, double board, parallel double board, etc. according to user requirements.