The expansion joint is mainly composed of a body, a telescopic sleeve, a gland, a sealing ring and a bolt. The expansion body, telescopic sleeve and gland are made of 16MnR, and the sealing ring is sealed with nitrile rubber, which has good water tig...

When the flexible rubber joint is used in the water pump inlet and outlet, it should be located on the side of the near water pump. A metal reducer joint should be installed between the pump and the pump, and it should be installed at the large diame...

1. The appropriate model must be selected according to the working pressure, connection mode, medium and compensation amount of the pipeline, and the number is selected according to the noise reduction displacement requirement. 2. When the pipeline g...

In order to increase the cultivation of high-tech seedling enterprises, establish and improve the echelon of innovative enterprises, and promote the continuous and high-quality development of the city’s high-tech industries, the Municipal Science and...

When the glue is used, insert the inner wall of the pipe socket and the outer wall of the pipe into the part, wipe it with a dry cloth, and apply a proper amount of glue to both ends. When some of the solvent is volatilized and the adhesiveness is en...

main content: 1. The structure and performance of PVC resin 2. Modification and application of PVC resin   1. The structure and performance of PVC resin Physical properties The density of rigid P...

PVC-U pipe is a kind of pipe which is very commonly used for decoration now. There are many points for construction and installation of PVC pipe. The precautions for winter pvc pipe construction and installation are as follows: 1. PVC-U pipe will pro...

PVC pipe home decoration is mainly used in the threading pipe, which is used to protect the wire, and is used as a drain pipe. The water supply pipe is basically no PVC, and its hygiene is not as good as PP-R and PE. If it is floor heating, it is bes...

The connection methods of PVC pipe mainly includes three kinds of sealant, bonding and flange connection. Pipes with diameters equal to or greater than 100 mm generally use aprons; pipes with diameters less than 100 mm generally use adhesive joints, ...

1. Has good tensile and compressive strength: but its flexibility is not as good as other plastic tubes. 2. Small fluid resistance: PVC-U pipe wall is very smooth, the resistance to the fluid is very small, its roughness coefficient is only 0.009, it...

PVC pipe equipment is one of the most common plastic pipe equipment. It is mainly composed of an extruder, an extruder head die, a vacuum sizing box, a tractor, a mixer, and a cutter. Through the mixing system, various raw materials needed for the pi...