Polyethylene pipe is pe pipe? PE pipe specification sheet

Is the polyethylene pipe a pe pipe?

PE is polyethylene (Polyethyleneofraisedtemperatureresistance). Generally, the application range of PE pipe water supply pipe is below 40 °C, which cannot be used for hot water pipeline. PE pipe is a high crystallinity, non-polar thermoplastic resin. The original HDPE has a milky white appearance and a semi-transparent shape in a thin section. PE has excellent resistance to most living and industrial chemicals. Certain types of chemicals can cause chemical corrosion, such as corrosive oxidants (concentrated nitric acid), aromatic hydrocarbons (xylene), and halogenated hydrocarbons (carbon tetrachloride).

Pe pipe specification sheet

PE pipes are mainly divided into 0.6Mpa, 0.8Mpa, 1.0Mpa, 1.25Mpa, and 1.6Mpa from the pressure level.

Mpa is a pressure unit, such as 0.6Mpa or 10kg.

The diameter of the PE pipe can be roughly divided into: 20, 25, 32, 40, 50, 63, 75, 90, 110, 125, 160, 180, 200, 225, 250, 280, 315, 355, 400, 450,500,560,630,710,800,900,1000,1200,1400, the unit is mm or mm, PE pipe diameter refers to the outer diameter, corresponding to the different pressure levels, the wall thickness of the pipe is also Not the same.

PE pipe size chart for your reference.

The above is a small series and shared with you about the pe tube specification model table, understand the above knowledge, you can purchase your own pipe according to your own engineering needs when purchasing PE pipe, for some unconventional pipe, such as used When doing PE threading pipe, or PE sewage pipe, sometimes the pressure can be relatively small, such as 0.4Mpa, etc., how to save costs.

Pe pipe classification

1) Polyethylene (PE) pipe for water supply

2) Buried polyethylene pipe for gas

3) HDPE silicon core tube

4) HDPE cable sheathed tube

5) High density polyethylene pipe

6) PE buried cable sheathed tube

7) PE perforated tube

8) HDPE double wall corrugated pipe

Classified by density

PE is divided into several different categories based primarily on its density and branching. Its mechanical properties depend on significant variables such as the degree and type of branching, crystal structure and molecular weight. With regard to sales volumes, the most important polyethylene grades are high density polyethylene, linear low density polyethylene and low density polyethylene (LDPE).

Ultra High Molecular Weight Polyethylene (UHMWPE)

Ultra low molecular weight polyethylene (ULMWPE or PE-WAX)

High high molecular weight polyethylene (HMWPE)

High density polyethylene (HDPE)

High density crosslinked polyethylene (HDXLPE)

Cross-linked polyethylene (PEX cross-linked polyethylene)

Medium density polyethylene (MDPE)

Linear low density polyethylene (LLDPE)

Low density polyethylene (LDPE)

Very low density polyethylene (VLDPE)

Chlorinated polyethylene (CPE)

Pe pipe advantages

1, PE gas pipe

(1) Reliable connection: The polyethylene pipe system is connected by electric hot melt method, and the strength of the joint is higher than the strength of the pipe body.

(2) Good low temperature impact resistance: The low temperature embrittlement temperature of polyethylene is extremely low, and it can be safely used in the temperature range of -60-60 °C. In winter construction, due to the good impact resistance of the material, the tube will not be brittle.

(3) Good resistance to stress cracking: HDPE has low notch sensitivity, high shear strength and excellent scratch resistance, and environmental stress cracking resistance is also outstanding.

(4) Good chemical resistance: HDPE pipelines can withstand the corrosion of a variety of chemical media, and the chemicals present in the soil will not cause any degradation to the pipeline. Polyethylene is an electrical insulator and therefore does not rot, rust or electrochemically corrode; it also does not promote the growth of algae, bacteria or fungi.

(5) Anti-aging, long service life: Polyethylene pipes containing 2-2.5% of uniformly distributed carbon black can be stored or used outdoors for 50 years without being damaged by ultraviolet radiation.

(6) Good wear resistance: The comparison of wear resistance of HDPE pipe and steel pipe shows that the wear resistance of HDPE pipe is 4 times that of steel pipe. In the field of mud transport, HDPE pipes have better wear resistance than steel pipes, which means HDPE pipes have a longer service life and better economy.

(7) Good flexibility: The flexibility of the HDPE pipe makes it easy to bend. In engineering, the obstacle can be bypassed by changing the direction of the pipe. In many cases, the flexibility of the pipe can reduce the amount of pipe and reduce the installation cost.

(8) Convenient handling: HDPE pipes are lighter than concrete pipes, galvanized pipes and steel pipes. They are easy to handle and install. The lower manpower and equipment requirements mean that the installation cost of the project is greatly reduced.

(9) A variety of new construction methods: HDPE pipelines have a variety of construction techniques, in addition to the traditional excavation methods, a variety of new non-excavation techniques such as pipe jacking, directional drilling, lining Pipes, split pipes, etc. are used for construction. This is the only option for places that are not allowed to be excavated. Therefore, HDPE pipes are used in a wider range of applications.

PE water supply pipe characteristics:

1. Long service life: Under normal conditions, the minimum service life is 50 years.

2, good sanitation: PE tube is non-toxic, does not contain heavy metal additives, does not scale, does not breed bacteria, and greatly solves the problem of secondary pollution of drinking water. It complies with the GB/T17219 safety evaluation standard and the relevant health safety evaluation regulations of the Ministry of Health.

3, can withstand a variety of chemical media corrosion: no electrochemical corrosion.

4. The inner wall is smooth, the friction coefficient is extremely low, the passing ability of the medium is correspondingly improved and the wear resistance is excellent.

5, good flexibility, high impact strength, resistant to strong earthquakes, distortion.

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