Butterfly valve is mainly used ordinary industry, like Petroleum, Chemical Industry, City Gas, City Heat Supply, Water Treatment, and ext. It used in the pipelines to cut off or adjust the Gas and Liquid mediums, connect or cut off the medium flows.
Butterfly valve has below advantages:
a、Butterfly valve is small in size, and in light weight. The weight can be deducted by 30 to 50 percent compared with gate valve of same size in same pressure class.
b、With simple structure and quick open and close operations.
c、With good function on adjusting and seal, can realize step control flow.
d、With low hydraulic resistance and operate moment.