．Advantages

Knife gate valve is composed of seat, valve lining, gate, support and drive device, simple and convenient composition. Generally Haiwang gate valves are hand-operated and they can also be made into air-operated or electromotive ones according to the requirements of users. It can be operated on the spot as well as remote controlled. Structural length and flange dimension are in accordance with National Standard of China and they also can be made according to the user requirements.