Description
1. Product Overview
PPR Socket Coupler DN20–DN110 is a high-performance polypropylene random copolymer (PPR) pipe fitting designed for reliable straight-line joining of PPR piping systems across residential, commercial, and industrial installations. It provides secure, leak-resistant connections through heat-fusion welding, supporting efficient installation and long-term system integrity. Its corrosion resistance, low maintenance requirements, and consistent dimensional performance make it a strategic alternative to conventional metallic couplers.
2. Key Specifications & Technical Characteristics
- Product Type: PPR Socket Coupler / Straight Coupling
- Nominal Diameter Range: DN20–DN110
- Material: Polypropylene Random Copolymer (PP-R), piping-grade
- Material Grade: Industrial/plumbing-grade PPR suitable for hot and cold-water applications
- Connection Method: Socket heat-fusion welding
- Color: Commonly green, white, gray, or other manufacturer-standard colors
- Operating Temperature: Suitable for hot- and cold-water distribution; exact rating depends on pipe system design and material grade
- Pressure Rating: Available in pressure classes according to manufacturer specification and applicable standards
- Dimensional Accuracy: Precision-molded socket geometry for consistent pipe engagement and reliable fusion
- Chemical Resistance: Resistant to corrosion, scaling, and many common chemicals encountered in water-service environments
- Packaging: PE bags, cartons, or bulk export packaging; customized packing available
- Shelf Life: Long-term storage when kept sealed, dry, clean, and protected from prolonged UV exposure
- Standards/Documentation: Available with applicable dimensional, material, pressure, and quality documentation upon request
3. Core Industrial Applications
- Plumbing & Building Services: Joining PPR pipelines for potable water, hot-water distribution, and building plumbing networks.
- HVAC Systems: Connecting piping used in chilled-water and heating-water circulation systems where PPR is specified.
- Industrial Facilities: Suitable for process-water, utility-water, and selected chemically compatible fluid distribution networks.
- Residential & Commercial Construction: Used extensively in apartment buildings, hotels, hospitals, offices, schools, and infrastructure projects.
- Why It Performs Better: Heat-fusion installation creates a continuous joint with high leak resistance while eliminating threaded connections, corrosion-prone metallic components, and extensive maintenance requirements.
- Efficiency & Cost Advantage: Lightweight construction simplifies transportation and handling, while rapid fusion installation can reduce labor requirements and lifecycle maintenance costs.
4. Competitive Advantages
- Quality Consistency: Precision injection molding supports uniform dimensions, reliable socket fit, and repeatable fusion performance.
- Supply Reliability: DN20–DN110 coverage supports standardized procurement across multiple piping projects and system sizes.
- Logistics Capability: Lightweight, nestable fittings enable efficient packing, palletization, and international container shipment.
- Price Competitiveness: Durable PPR construction and low installation and maintenance requirements provide strong total-cost-of-ownership economics.
- Sustainability: Corrosion-free, long-service-life construction can reduce replacement frequency and material waste compared with shorter-life alternatives.
- Technical Support: Product specifications, dimensional data, pressure classifications, material information, and quality documentation can be supplied to support engineering approval and procurement requirements.
5. Commercial & Supply Information
- Minimum Order Quantity (MOQ): BULK 20 MT
- Loading Capacity: Approximately 18–22 MT per 20-foot container, depending on coupler diameter, packaging configuration, palletization, and applicable shipping weight limits
- Supply Format: Bulk export supply, with packaging and labeling customizable to buyer requirements








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