Detailed Description of PPR Fittings - Socket Fusion:

The connection method of PPR socket fusion fittings is socket fusion connection. The socket of the fitting and the spigot part of the pipe are heated to a molten state by a hot melt welding machine, and then the pipe is quickly inserted into the socket of the fitting. After cooling, the pipe and the fitting are firmly integrated into one unit. This connection method features high joint strength and good sealing performance, which can effectively prevent leakage problems. Moreover, the operation is relatively simple, and the reliability of the connection part is better than some other connection methods.

Material Characteristics and Advantages of PPR Socket Fusion Fittings:

Hygienic and Non-toxic: The random copolymerized polypropylene material used in PPR socket fusion fittings does not contain harmful or toxic substances. When transporting fluids such as drinking water, it will not release any pollutants into the water, ensuring the purity of the water quality and meeting strict hygiene standards.
Excellent High-temperature Resistance: Its Vicat softening point is as high as 131.5°C, and the normal working temperature can reach 95°C. It can even withstand a high temperature of 110°C for a short period of time. This enables it to be stably applied in domestic hot water supply systems.
Strong Corrosion Resistance: It has a high degree of tolerance to common chemical substances such as acids, alkalis, and salts. In complex water quality environments or scenarios where it may come into contact with chemical media in industrial production, it can effectively resist corrosion.
Thermal Insulation and Energy Saving: The PPR material has an extremely low thermal conductivity. During the transportation of hot water, it can effectively reduce heat loss, maintain the stability of the water temperature, and reduce energy consumption. Especially in large-scale hot water transportation systems, the energy-saving effect is remarkable, which helps to save operating costs.
Smooth Inner Wall with Low Water Flow Resistance: The inner wall of the fittings is extremely smooth and flat, allowing the water flow to pass through unobstructed. At the same time, it reduces the risk of impurity accumulation and blockage caused by poor water flow, keeping the water pipe system in good operation for a long time.
Firm and Reliable Hot Melt Connection: Through hot melt connection, the connection parts of the fittings and the pipes are heated to a molten state and then butted. After cooling, the two are integrated into one, and the connection strength is higher than that of the pipes themselves. This connection method has excellent sealing performance, effectively preventing leakage at the connection.
Lightweight: The PPR material has a low density. During handling and installation, it can significantly reduce the labor intensity of construction workers, lower transportation costs, and is convenient for operations in narrow spaces or at heights, improving construction efficiency.
Long Service Life: Under normal usage conditions, the service life of PPR socket fusion fittings can reach more than 50 years. If in an ideal environment with normal temperature and good water quality, the service life can even be as long as 100 years.
High Cost-performance Ratio: Considering its excellent performance, long service life, low maintenance cost, and installation convenience, PPR socket fusion fittings can meet the needs of high-quality pipeline connections while having a relatively low overall investment cost, showing a high cost-performance ratio.

Complete range of types	Convenient to connect

The factory has strong strength.	There is sufficient inventory.

Inspection Items of PPR Fittings - Socket Fusion:

Appearance Quality Inspection	Dimension Deviation Inspection	Pressure Resistance Performance Inspection

Temperature Resistance Inspection	Chemical Corrosion Resistance Inspection	Hygienic Performance Inspection