PPR Union Fittings: Reliable Connections for Modern Plumbing Systems

Product Overview

PPR union fittings provide detachable connections in polypropylene random copolymer piping systems, allowing for easy maintenance and system modifications. These essential components combine the durability of PPR with practical serviceability features.

Key Features

• Material Construction: High-quality PPR with brass or plastic threaded components

• Temperature Range: -40°C to +100°C continuous operation

• Pressure Rating: PN16 (16 bar) standard, PN25 (25 bar) available

• Connection Types: Socket fusion ends with threaded union nut

• Sizes Available: 20mm to 110mm diameters

Technical Specifications

• Sealing Mechanism: EPDM or silicone O-ring seals

• Thread Type: Metal or reinforced plastic threads

• Pressure Testing: 1.5x working pressure rated

• Certifications: NSF/ANSI 61, ISO 15874 compliant

• Reusability: Designed for multiple assembly cycles

Installation Guide

1. Fusion Preparation: Cut pipe ends square and deburr

2. Socket Fusion: Weld union body to pipe using standard PPR fusion technique (260°C)

3. Seal Inspection: Verify O-ring condition and lubrication

4. Assembly: Hand-tighten union nut, then tighten 1-2 additional turns

5. Testing: Pressure test system before concealment

Applications

• Maintenance Points: Easy access for system servicing

• Equipment Connections: Pumps, heaters, and filter systems

• System Modifications: Future expansion or alterations

• Repair Sections: Isolated component replacement

• Temporary Connections: Test points and temporary setups

Advantages

• Serviceability: Easy disassembly without pipe cutting

• Leak-Free: Reliable O-ring sealing performance

• Corrosion Resistance: PPR material immunity to rust

• Chemical Resistance: Suitable for various fluids

• Reusable: Multiple assembly/disassembly cycles

• Time-Saving: Quick maintenance and repairs

Maintenance

• Regular Inspection: Check for leaks and seal condition

• Seal Replacement: Replace O-rings during disassembly

• Thread Care: Avoid over-tightening and cross-threading

• Cleaning: Wipe threads clean before reassembly

• Lubrication: Use PPR-compatible lubricant on O-rings

PPR union fittings offer practical, reusable connections that maintain system integrity while providing essential service access points. Their combination of PPR durability with mechanical connection convenience makes them ideal for maintenance-friendly plumbing system design.

IFAN factory started in 1993. And IFAN has workshop 120000 square meter with 610 staff. IFAN can design and produce all plumbing pipe and fitting include PPR,PVC,CPVC PPSU HDPE PEXA PEXB PERT pipe and fitting ,brass fitting, brass ball valve ,heating system , gas system , sanitary faucets and hose, In the past 30 Years, IFAN has never forgotten his mission-To protect health and safety. And IFAN factory use best materials to produce high quality pipe and fittings with automatic production line and high tech quality control machines. The most important,IFAN can guarantee that all pipes and fittings manufactured by IFAN are qualified. More information pls feel free contact us Whatsapp.