Fire valves include fire protection, water supply and drainage, and various functional valves. Ductile iron is often used as the valve body, and the internal materials such as stainless steel and copper have excellent anti-corrosion performance and good sealing effect; Used on various fire water systems, water supply and drainage system pipelines.
Using welded pipe as the base pipe, the molten metal zinc reacts with the iron matrix to
produce an alloy layer, thereby combining the straight seam welded pipe and the coating
Galvanized square tube is a term for square and rectangular pipes, which refers to steel
pipes with equal or unequal edge lengths at the pipe mouth. Galvanized square tube is made by rolling steel
strip through processing
Angle iron, I-beam, galvanized flat iron and other profiles are coated with zinc to prevent
corrosion. It can be finished steel or used for the return and rolling of welded pipes
Galvanized pipe fittings are made of malleable cast iron, which has the advantages of good
toughness, good thickness, accurate angle, full, smooth and precise threads, and long threads
