Descrição
What is a PPR Fitting Reducer Coupling?
PPR Fitting Reducer Coupling connects two different-size PPR pipes.
It has one large and one small PPR fusion port.
Made of high-purity PP-R material for durability and safety.
It forms permanent, leak-proof joints via thermal fusion.
Its tapered internal design ensures smooth water flow.
It works for hot and cold water plumbing systems.
It is BPA-free and safe for drinking water use.
It eliminates the need for multiple adapters in size transitions.
It complies with ISO 15874 and EN 12201 standards.
Reinforced ports prevent pressure damage during fusion.
Key Technical Specifications
Common size combinations: 25mm-20mm, 32mm-25mm, 40mm-32mm.
Temperature resistance: up to 95°C (203°F) continuous use.
Pressure rating: PN10 (10 bars) for standard applications.
Fusion depth: 16mm (20mm pipe) to 25mm (32mm pipe).
Material: 100% virgin PP-R resin with no toxic additives.
Wall thickness: 2.3mm (20mm end) to 4.4mm (32mm end).
Weight: 20g (25mm-20mm) to 45g (40mm-32mm).
Internal taper: smooth transition to reduce flow turbulence.
Size markings: clear labels for both large and small ends.
How to Select the Right Reducer Coupling
Match the large end to your bigger PPR pipe diameter.
Match the small end to your smaller PPR pipe diameter.
Check the size markings to avoid selection errors.
Opt for ISO-certified couplings for quality assurance.
Ensure the internal taper is smooth and even.
Choose the same brand as your PPR pipes for best fit.
Avoid couplings with uneven wall thickness or port defects.
Verify the fusion ports are clean and free of burrs.
Installation Tips for Smooth Flow
Preheat the fusion machine to 260°C (500°F) precisely.
Cut both pipes squarely and deburr their ends.
Clean the coupling ports and pipe ends with a dry cloth.
Fuse the larger pipe to the big port first.
Fuse the smaller pipe to the small port next.
Hold each joint for 10 seconds to ensure a secure bond.
Allow 30 minutes of air cooling before testing.
Do not twist the coupling during the cooling process.
Test the system with water pressure to check for leaks.
Common Applications of Reducer Coupling
Connecting main PPR lines to smaller fixture pipes.
Residential plumbing renovations with mixed pipe sizes.
Commercial plumbing for zone-specific pipe transitions.
Underfloor heating systems (main to zone lines).
Solar water heater connections to home plumbing.
Irrigation systems (main lines to distribution pipes).
Industrial water supply systems with varying pipe sizes.
Repairing plumbing systems with mismatched pipe diameters.
Summary of PPR Fitting Reducer Coupling
The PPR Fitting Reducer Coupling connects different-size PPR pipes.
It ensures smooth flow transition between pipe sizes.
Easy to install with standard thermal fusion tools.
Durable and safe for all hot/cold water applications.
Eliminates the need for multiple adapters in size transitions.
Essential for plumbing systems with mixed pipe sizes.
Complies with global standards for quality and reliability.
相关产品
-
PPR fittings- Acessórios PPR
PPR Fitting Compression Coupling: Tool-Free Repair for PPR Pipes
-
PPR fittings- Acessórios PPR
PPR Fitting 90-Degree Elbow: Sharp Turn Solution for PPR Pipe Systems
-
PPR fittings- Acessórios PPR
PPR Fitting Female Adapter: PPR to Threaded Fitting Connector
-
PPR fittings- Acessórios PPR
PPR Direto








