Variety Of Water Supply Pipe Fittings Variety Of Water Supply Pipe Fittings

Variety of water supply pipe fittings

Variety of water supply pipe fittings

In the past, mainly for water pipes cast iron pipes. Outside the main cast iron pipes with sand mold, indoor using a galvanized iron pipe, can be classified into cold (electric) galvanized and hot galvanized two. China has provided in the June 1, 2000 from out of the sand casting and cold galvanized pipe fittings casting

Iron pipe, cast iron pipe in hot dip progressively restrict the use, promote the use of aluminum-plastic composite pipes, plastic tubes. Therefore, the current pipeline three major categories. The first is a metal tube, such as plastic, hot dip in sugar iron pipe, steel pipe, stainless steel tubes. The second type is plastic complex metal tube,

Plastic compound such as steel, aluminum tubes. The third type of plastic pipe, such as PP-R (cross-linked high-density polypropylene plastic mesh).

Countries also provide a variety of related water pipes pipe and fittings, must have the approval by the health sector may be sold only.

Code commonly used in plastic water pipes and meanings:

Polypropylene PP-R cross-linked network of high-density plastic

High-density polyethylene PE

PP polypropylene

PB Polybutylene

Cross-linked polyethylene PEX

. Energy: smooth wall, corrosion resistance, fluid resistance, good insulation properties. Convenient: link, construction convenient, reliable and has the potential to promote the use. If not meet the four requirements, it will harm people's health and use of property.

Introduction of several water supply

1, plastic composite pipe

Plastic composite pipe is the first alternative to cast iron pipe water supply pipe, its basic structure should be five, that is, from the inside were plastic, hot melt adhesive, aluminum alloy, hot melt adhesive, plastic.

Aluminum plastic composite pipe has good insulation properties, corrosion inside and outside the wall is not easy, due to inner smooth, fluid resistance is small; it as free to bend, so installation is easy for construction. As the water supply pipe, aluminum plastic composite pipe of sufficient strength, but if too much lateral force will be affected when

Strength, it should be out within the tube wall construction or buried, but not buried underground. Aluminum plastic composite pipe is a ring-type connection, so the construction it is necessary to pass a stringent test pressure, test the connection is solid. The second is to prevent the regular vibration, so that card set loose. Third, the length orientation should remain

Full installation of traffic, so as not to pull off.

2, plastic compound copper pipe

Plastic compound copper pipe to copper (copper) for pipe fittings, covered with PE plastic, from the overall performance point of view, better than the plastic compound copper pipe aluminum composite pipe. For example, better strength, longer life, heat resistance is also better. However, slightly worse thermal insulation properties.

by: caihong

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