Fireproof and anti-static ball valve is a kind of natural gas, artificial coal gas, liquefied gas, city gas and non-corrosive gas pipelines, with anti-static, fireproof device, that is, in the ball and valve stem, valve stem
2025-03-26
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Butterfly valve is a kind of valve that opens and closes according to the rotating valve stem and drives the disc plate to rotate at the same time. In the cylindrical channel of the butterfly valve body, the disc plate rotates around the axis, mainly rotating the disc plate 90* to do flow control.