The bellows sealed valve has a fine shape, the flow lines are smooth to reduce the resistance of flow and save energy when operated.

The valve adopts bellows sealed or graphite+SS gasket sealed as outer seals, which is reliable for use, without replacement even in a long-term usage. The leak from a valve will cause big enviroment problems such as high temperature, virulent, flammable and explosive or high-rate radiation. our valves prevent these by the reliable sealings.