ppr fittings
PPR Fittings
PPR Fittings
PPR Fittings
PPR Fittings

Concentric PPR Fittings Reducer: Smooth Diameter Transition

Description

Proper installation of PPR (Polypropylene Random Copolymer) fittings is crucial to ensure leak-free plumbing systems. This guide outlines the step-by-step techniques required for successful installation, along with practical examples and comprehensive information.

Understanding PPR Fittings

PPR fittings are designed for use in both hot and cold water plumbing systems due to their high temperature resistance and durability. They come in various types, including elbows, tees, couplings, and reducers, each serving specific connection needs.

What is a Concentric PPR Reducer?

A concentric PPR reducer connects different-sized PPR pipes.
It has a conical shape for smooth water transition.
It is made of heat and corrosion-resistant PPR material.
It ensures a leak-tight connection between pipe sizes.
It prevents turbulence in water flow effectively.

Detailed Technical Features

Centered transition for straight, smooth water flow.
High-purity PPR material, safe for drinking water.
Temperature resistance: -20°C to 95°C (-4°F to 203°F).
Pressure resistance up to 16 bars (PN16 standard).
Available for common transitions (25mm→20mm, 32mm→25mm).

Difference from Eccentric Reducer

Concentric is centered; eccentric is offset from center.
Concentric is used for hot and cold water systems.
Eccentric is designed for drainage systems.
Concentric avoids air pockets in plumbing systems.
Concentric is more suitable for residential plumbing.

Error-Free Installation Steps

Clean pipe ends and reducer ports thoroughly.
Set the fusion machine to 260°C (500°F).
Fuse the larger pipe to the corresponding port.
Fuse the smaller pipe to the other reducer port.
Insert pipes firmly without rotating them.
Hold each connection for 10 seconds to set.
Allow 30 minutes of cooling before pressure testing.
Test for leaks with water under pressure.

Common Applications

Transition between main lines and branch pipes.
Connecting faucets to larger main pipes.
Heating systems with radiators of different sizes.
Commercial plumbing: varied area water distribution.
Renovations with mixed-diameter PPR pipes.

Summary of Concentric PPR Reducer

The concentric reducer enables smooth pipe size transition.
It prevents turbulence and leaks in plumbing systems.
Installation is simple with thermal fusion.
It fits all projects needing diameter changes.
Its quality ensures durable, reliable performance.

Connect

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.

Related products

Product Catalog

Learn More

Product Catalog

Learn More

Contact Us

Copyright © 2026 www.ifanru.com. All rights reserved.