News Center

The welding machine currently used by many PE pipe fitting manufacturers has a small fuse with a rated current of 20A. However, the current of the fuse in use is 10A, so some small tubes will be blown sometimes due to inconsistent fuse matching. The following is the analysis of three faults of output voltage during PE electric melting pipe welding. 1. If the input voltage of the welding machine is too low, the terminal voltage of the welding joint will also decrease. 2. The power line of the welding machine is not easy to be too long, otherwise it will cause voltage drop and lead to faulty welding. http://www.sdpegj.com3. If the voltage is normal, the output voltage of the joint is still too low during welding, indicating that the welding machine

2017/12/12 16:57:39

If PE pipe fittings are used to repair some corroded pipe sections, PE pipe fittings shall be connected with steel pipes or cast iron pipes. In the construction process, after the PE liner penetrates into the pipe and is rounded, flange crimping can be used, or hot melt welding can be used to connect its end with the repaired pipe. http://www.sdpegj.com Flange crimping is to weld the steel flange on the pipe end first, then heat the PE liner pipe at the steel flange mouth to flan, and then press the two steel flanges together with bolts http://www.zbpeg.c...

2017/12/12 16:47:31

PE gas pipe refers to the gas pipe made of polyethylene. PE is the abbreviation of polyethylene. PE resin is polymerized from monomer ethylene. Due to different polymerization conditions such as pressure and temperature during polymerization http://www.zbpeg.com Resins with different densities can be classified into high-density polyethylene (HDPE, i.e. low pressure polyethylene), medium density polyethylene (MDPE) and low density polyethylene (LDPE, i.e. high pressure polyethylene). 1. The use of PE gas pipe fittings shall not exceed the service life, otherwise the aging of pipe fittings may easily cause a threat. 2. Do not shut down the house gas without authorization

2017/12/12 16:43:53

1. Long service life: Under rated temperature and pressure conditions, PE pipes can be safely used for more than 50 years. 2. Good construction performance: the pipeline is light, the welding process is simple, the construction is convenient, and the comprehensive cost of the project is low. 3. Superior corrosion resistance: except for a few strong oxidants, it can resist the corrosion of various chemical media; No electrochemical corrosion. 4. Good sanitary performance: PE pipes are processed without adding heavy metal salt stabilizer, and the materials are harmless, without scaling layer, and without breeding bacteria, which solves the secondary pollution of urban drinking water. 5. Good impact resistance: PE pipe has good toughness, high impact strength, and heavy weight

2017/12/12 16:39:44

Features and performance of Shandong PE threading pipe ■ Electric fusion: special electric fusion welding machine is used to connect straight pipes with straight pipes and straight pipes with pipe fittings. Generally, it is used for pipes below 160mm. ■ Hot melt butt connection: special butt welding machine pipes are used for connection, generally used for pipes above 160mm. ■ Steel plastic connection: flange, thread thread and other methods can be used for connection. ■ Corresponding tools shall also be prepared to facilitate construction and ensure construction quality. ■ Good sanitary performance: PE pipes are processed without adding heavy metal salt stabilizer, with harmless materials, no scaling layer, and no bacteria, which can solve the problem of urban drinking water

2017/12/09 15:42:02

Shandong PE farmland irrigation pipe features ■ good sanitary performance: PE pipe does not add heavy metal salt stabilizer when processing, the material is harmless, there is no scaling layer, and no bacteria, which solves the secondary pollution of urban drinking water well. ■ Superior corrosion resistance: except for a few strong oxidants, it can resist the corrosion of various chemical media; No electrochemical corrosion. ■ Long service life: Under rated temperature and pressure conditions, PE pipes can be safely used for more than 50 years. ■ Good impact resistance: PE pipe has good toughness and high impact strength, and the heavy objects directly press the pipe, which will not cause the pipe to be broken. ■ Reliable connection performance: PE

2017/12/09 15:39:44

Shandong PE mining pipe has good performance. It should not only have good economy, but also have a series of advantages such as stable and reliable interface, impact resistance, crack resistance, aging resistance, corrosion resistance, etc. Compared with traditional pipes, HDPE pipe system has the following advantages: ⑴ Reliable connection: polyethylene pipe systems are connected by electric melting, and the strength of joints is higher than the strength of the pipe body. ⑵ Good low-temperature impact resistance: the low-temperature embrittlement temperature of polyethylene is extremely low, and it can be safely used within the temperature range of - 60 - 60 ℃. During winter construction, due to the good impact resistance of the material, no pipe embrittlement will occur. ⑶ Anti stress

2017/12/09 15:38:21

Shandong PE gas pipe connection type PE pipe The connection of pp pipes can be divided into: 1. Electric melting connection: electric melting socket connection, electric melting saddle connection 2. Hot melting connection: hot melting socket connection, hot melting saddle connection, hot melting butt connection 3. Mechanical connection: screw thread connection, flange connection, steel plastic conversion connection Materials underground water pipe PVC pipe ABS (acrylonitrile butadiene styrene copolymer) Unplasticized polyvinyl chloride (UPVC), CPVC (post chlorinated polyvinyl chloride), PP (polypropylene), PE (polyethylene), also known as LDPE, MDPE and HDPE

2017/12/09 15:32:53

Shandong PE water supply pipe connection electrofusion connection: firstly, the electrofusion pipe fitting is sleeved on the pipe, and then the electrofusion pipe fitting is powered on with a special welding machine according to the specified parameters (time, voltage, etc.) to melt the inner surface of the electrofusion pipe fitting embedded with the electric hot wire and the outer surface of the pipe insertion end, and the pipe and pipe fitting are fused together after cooling. It is characterized by convenient and rapid connection, good joint quality, and little interference from external factors. However, the price of electrofusion pipe fittings is several to dozens of times that of ordinary pipe fittings (the smaller the diameter, the greater the difference), which is generally suitable for the connection of large diameter pipes. 1. Procedure (process) of electrofusion socket connection. Inspection ------ Pipe cutting ------

2017/12/09 15:31:08

General provisions for PE pipe fittings in Shandong 1. Before pipe connection, pipes, pipe fittings and auxiliary equipment shall be checked according to design requirements, and appearance inspection shall be carried out at the construction site, and they can only be used if they meet the requirements. The main inspection items include pressure resistance grade, external surface quality, fit quality, material consistency, etc. PE pipe PE pipe (2 pieces) 2. Corresponding special heating tools shall be used according to different interface forms, and open fire shall not be used to heat pipes and fittings. 3. For pipes connected by welding, pipes and pipe fittings of the same brand and material should be used. For pipes with similar performance, they must be tested first and can be carried out only after they are qualified. 4...

2017/12/09 15:29:09