How to Connect PPR Fittings
A Guide to Proper Assembly of Polypropylene Random Copolymer Piping Systems
Polypropylene random copolymer (PPR) plumbing relies on correctly connected fittings to create leak-free piping systems. Following proper PPR fitting assembly techniques ensures watertight joints are able to withstand years of pressure and temperature cycling. This article provides a guide on how to connect PPR fittings.IFAN factory with 30+ years of manufacturing experience supports color/size customization and free samples. Welcome to consult for catalog and free samples. This is our Facebook Website: www.facebook.com.
Cut and Prepare PPR Pipe Ends
The first step is cutting pipe ends square and removing all burrs:
- Use sharp tubing cutters to make straight, perpendicular cuts. Avoid angled or crushed ends.
- Carefully deburr the pipe inside and out with reaming tools. Remove any fragments or ridges.
- Chamfer or bevel the end slightly to ease fitting insertion.
- Clean pipe ends and fitting sockets to remove dirt, dust, and oils.
Proper cutting and end preparation allow the pipe to fully in fittings for a tight seal.
Select the Correct PPR Fitting
Choose the appropriate fitting shape needed to connect pipe runs, change direction, or branch lines:
- Tees and elbows to alter flow direction.
- Couplings and unions to extend straight runs.
- Adapters to transition sizes or materials.
- Caps to close open ends with a watertight seal.
- Valves to control flow and allow isolation.
Use manufacturer size charts to match fittings to pipe diameters. Ensure components are approved for the system pressures and temperatures.
Insert Pipe Fully Into PPR Fitting Socket
It is critical to insert the pipe through the PPR fitting socket completely:
- Inspect and clean O-ring seals before insertion. Replace if any damage.
- Apply manufacturer-approved lubricant to the pipe end and O-ring to ease insertion.
- Align pipe with a fitting socket to avoid bending the O-ring.
- Push the pipe until it bottoms out in the socket. Mark depth beforehand as a guide.
- Use insertion gauges to confirm proper penetration before securing.
Full pipe insertion positions the O-ring seal correctly within the fitting for optimal compression.
Use Proper Tools to Compress PPR Fittings
PPR pipes and fittings get permanently joined together by compressing the fitting onto the inserted pipe. This is accomplished using either:
- PPR hand clamp tools for sizes 20mm and below.
- Hydraulic compression tools for larger PPR pipes.
- Manual or power threading tools for threaded PPR connections.
The press or crimp tool uniformly compresses the fitting ring to the proper depth. Follow manufacturer instructions to avoid over or under-tightening.
Allow Time for Pressure Testing
Before covering or concealing piping, pressure test PPR systems to validate joint integrity:
- Seal open ends with caps secured with clamps or screws.
- Introduce air or water at 1.5 times the working pressure.
- Hold for 15 to 20 minutes checking for leaks and pressure loss.
If leaks occur, release pressure, examine for causes, cut out faulty joints, and then re-test repairs until complete integrity is assured.
Properly Assembled PPR Joints Perform for Decades
When connected using the proper sequence of steps, PPR fittings form strong, durable, watertight seals. They maintain integrity through thermal and physical stresses to provide decades of reliable piping system service. Follow manufacturer specifications to ensure ideal PPR fitting performance.
IFAN
IFAN factory started in 1993. And IFAN has a workshop of 120000 square meters with 610 staff. IFAN can design and produce all plumbing pipe and fitting including 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. The IFAN factory uses the best materials to produce high-quality pipe and fittings with an automatic production line and high-tech quality control machines.
