What's the quota for plastic lined steel pipes?
Plastic lined steel pipe, also known as the steel plastic composite pipe, tube with welded steel pipe galvanized seamless steel pipe, wall, removal of weld reinforcement, lined galvanized pipe with inside diameter of food grade polyethylene (PE) pipe, polyethylene liner thickness requirements in line with the CJ/T136-2007 standard, finally after a certain period of time after heating compression molding, upgrade type of traditional galvanized pipe.
Plastic lined steel pipe section is steel plastic composite pipe. If you do not have the quota of the item can be calculated by sub galvanized steel pipe, the cost of materials according to the actual input.
Belong to the scope of industrial pipeline engineering should set industrial pipeline installation engineering quota in the quota items; if the water supply and drainage engineering, should be set to the drainage quota quota items in volume of steel plastic composite pipe installation related corresponding (according to the installation and connection mode).
