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Plastic Pipe Fitting Series Manufacturer

Plastic pipe fittings generally include products such as tees, elbows, couplings, flanges, caps, crosses, and unions. As essential components for connecting pipelines, the selection of specific fittings depends on the application scenario.

About us
Jiangsu Leiting Precision New Materials Co, Ltd
Jiangsu Leiting Precision New Materials Co, Ltd
Jiangsu Leiting Precision New Material Co., Ltd. (formerly Jiangsu Haobo Plastic Industry Co., Ltd.) is China Custom Plastic Pipe Fitting Series Manufacturer and OEM Plastic Pipe Fitting Series Company, located at No. 55 Haichuan Road, Dongtai City High-Tech Zone, Jiangsu Province. Established in 2008, the company now occupies an area of 19,980 square meters, with a total investment of 110 million RMB in its new facility.
We focus on pipeline applications for the solar panel, semiconductor, chemical, ironmaking, environmental protection, biochemical, aquarium/marine, and pharmaceutical manufacturing industries. Our goal is to establish ourselves as a high-tech enterprise integrating the production and sales of various valves, pipe fittings, and pipes, while driving technological innovation in the valve industry. As of December 2024, we hold 81 patents, including 36 invention patents, 36 utility model patents, and 9 design patents.
Guided by our R&D philosophy of "Technology Creates the Future," our quality principle of "Quality Creates the Market," and our marketing ethos of "Brand Creates Value," we remain committed to innovation and providing comprehensive, high-quality services to global customers.
Certificates
  • Honour Certificate for Integrity Managers
  • Honour Certificate for Integrity Entrepreneurs
  • AAA-level integrity management demonstration unit
  • AAA corporate credit rating certificate
  • AAA quality service integrity unit
  • AAA-level contract-abiding and trustworthy enterprise
  • AAA corporate credit rating certificate
  • Lei Ting National Inspection Report PPH Elbow D63
  • Lei Ting National Inspection Report PPH tube D63
  • A plug-in positioning butterfly valve
  • A resiliently driven compensating union valve
  • A pressure-locking butterfly valve
News
  • Matching Plastic Valve and Plastic Piping by Pressure Class and Material

    Direct Answer A dependable industrial fluid-handling network is built by matching three variables at once, not by shopping for parts one at a time: the pressure class of the Plastic Piping, the body material of the Plastic Valve, and the connection method that joins them. Pairing a β-PPH or PVDF valve with pipe from t...

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  • What Media Flows Through a Ball Valve?

    Direct Answer A ball valve is built to handle almost any flowing media in a piping system — clean water, corrosive acids and alkalis, organic solvents, compressed gases, and slurries with light particulates. The exact media a specific valve can carry depends on the body material and seal compound: PP-H and PPN bodies ...

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  • What pressure rating do I need? (0.6 MPa vs 1.0 MPa vs 1.6 MPa)

    For most residential and low-pressure industrial water lines, 0.6 MPa piping is sufficient. For general chemical transfer, cooling loops and standard process water at moderate flow, 1.0 MPa is the common industry default. For compressed media, deep well discharge, high-rise distribution or safety-critical chemical dos...

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Plastic Pipe Fitting Series Industry knowledge

What is Plastic Pipe Fitting?

Plastic pipe fittings are standardized components used to connect, redirect, seal, or distribute fluids in pipelines.

1. Common Shapes: T-joints, elbows, tees, flanges, caps, crosses, connectors, etc., to meet the needs of different pipeline layouts.

2. Material Advantages: Made of high-polymer materials (such as PE, PP, PVC, PVDF, etc.), they are lightweight, corrosion-resistant, wear-resistant, and easy to process.

3. Functional Role: In pipeline systems, they provide stable connections, change flow direction, divert flow, or seal off conduits, ensuring the safety and efficiency of media transportation.

4. Industry Value: They are fundamental components in building water supply and drainage, gas transmission, industrial pipelines, and power systems; almost all pipeline projects rely on plastic pipe fittings.

What are the common application scenarios of plastic pipe fittings in building water supply and drainage, gas transmission, and power pipelines?

1. Building Water Supply and Drainage Systems

Hot and Cold Water Piping: Tees, elbows, flanges, etc., made of PE, PP, or PPR materials are used for the distribution and redirection of hot and cold water.

Sewage and Rainwater Systems: PVC or HDPE pipe fittings are used for sewage and rainwater collection, resistant to acids and alkalis, and high temperatures, preventing leaks.

Sanitary Fixture Connections: Quick-connect couplings and flange caps simplify the installation and maintenance of toilets, washbasins, and other equipment.

2. Gas Transmission Systems

Urban Gas Piping Networks: Pressure-resistant and flame-retardant PE-RT or PA-12 pipe fittings (such as elbows and tees) are used to ensure the safe transmission of high-pressure gas.

Industrial Gas: In production lines requiring high cleanliness, such as those in chemical, semiconductor, and photovoltaic industries, metal-lined plastic pipe fittings are used, combining corrosion resistance and pressure resistance.

Leak Detection: Special flanges and gaskets are used for rapid leak detection and maintenance.

3. Electrical Conduits (Cable Trays, Pipe Laying)

Cable Protection Pipes: Flame-retardant PVC or PE fittings are used to prevent cables from getting damp and mechanically damaged.

Cable Tray Connections: Plastic elbows and tees are used for cable tray turning and branching, ensuring neat and safe cable laying.

Fire Resistance and Flame Retardancy: Flame-retardant plastic fittings conforming to IEC and GB standards maintain structural integrity in high-temperature environments.

How to determine the pressure resistance, temperature resistance, and chemical corrosion resistance of Plastic Pipe Fitting Series?

1. Check the Material Data Sheet

Pressure Resistance: The material's yield strength, ultimate pressure (MPa), and operating temperature range are key factors.

Temperature Resistance: Determine the material's maximum operating temperature (Tmax) and minimum operating temperature (Tmin). For example, PE-RT can be used from -40°C to +95°C, and PVDF can reach +150°C.

Chemical Resistance: The material's resistance to acids, alkalis, salts, and solvents is typically presented through test results according to standards such as ASTM D543 and ISO 175.

2. Actual Testing and Certification

Pressure Testing: Hydrostatic or pneumatic pressure tests are conducted according to standards such as ISO 4427 and GB/T 10002 to ensure that the pipe fittings do not leak at 1.5–2 times the rated pressure.

Thermal Aging Test: Aging is performed at high temperatures for 1000 hours or longer, and changes in dimensions and strength are observed.

Chemical Corrosion Test: The pipe fittings are immersed in the target medium (such as sulfuric acid, hydrofluoric acid, hydrochloric acid, etc.) to assess mass loss and surface changes.

3. Reference Industry Certifications and Patented Technologies

Certification Marks: CE, UL, ISO9001, ISO14001, and other certifications indirectly indicate that the product has passed rigorous quality and environmental control.

Patent Support: Jiangsu Leiting Precision New Materials Co., Ltd. holds 81 patents (including 36 invention patents), many of which involve high-pressure, high-temperature resistant composite materials and chemically resistant structural designs, serving as strong evidence of technological reliability.