Rubber spool is produced with " liquid phase nanometer compounding, normal temperature high-frequency curving". Wear-resistant index id over 128% and its service life is 2-4 times longer than ordinary valves under the same working conditions.
Xinhai wear – resistant rubber as liners of knife gate valve owns high resilience up to 86% and high sealing performance, no leakage
Simple structure, convenient operation and maintenance
No pressure lose
Knife gate valve is composed of seat, valve lining, gate, support and drive device, simple and convenient composition.
Generally Xinhai 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.