Handle Power Whole Shaft 1.0/1.6 Mpa With Pin Wafer Butterfly Valve Usage: This valve is widely used in various pipelines of water supply and drainage, building fire protection, ...
Handle Power Whole Shaft 1.0/1.6 Mpa With Pin Wafer Butterfly Valve Usage: This valve is widely used in various pipelines of water supply and drainage, building fire protection, ...
