Flanged pipe fittings can not be stored for a long time, should be regularly maintained, often exposed processing surface, must adhere to clean dirt, neatly stored in the room in a ventilated and dry place, it is forbidden to stack or open storage. When the ball valve, globe valve and gate valve of the flanged pipe fittings are used, they can only be fully open or fully closed, not used to adjust the flow, so as to avoid erosion of the sealing surface and accelerated wear and tear. Flanged pipe fittings convenient material selection, simple manufacturing, low cost, widely used; But the rigidity is poor, so it can not be used for inflammable, explosive and higher vacuum requirements of the chemical process piping system and high damage occasions. Sealing surface types are flat and abrupt. Flanged fittings are simple in structure, small in size, light in weight, compact and reliable. At present, plastic is widely used as sealing surface material for ball valves, which has good tightness and has been widely used in vacuum systems. Ball valve structure is simple, the sealing ring is generally active, disassembly and replacement are more convenient; When fully open or fully closed, the sealing surface of the ball and valve seat is isolated from the medium.

WH-STEEL is a Chinese manufacturer of pipe fittings, the main products include flanges, tees, quads, elbows, bends, etc. Since its establishment, the company's business has developed vigorously, and its products have been exported to more than 300 countries in Asia, Europe, America, Africa and so on. We insist on the quality as always, is a high guarantee for customers to choose us. Welcome to purchase our high quality products.