
PP-R UV Composite Pipe
A four-layer 25 bar composite pipe with a UV-stabilised black outer layer, for pressure lines that run in the open.
PN12.5/25 · 25 bar · OD 20–110 mm · 4 m lengths
- UV-exposed and outdoor pressure lines
- Hot and cold water at high pressure
- Well water and industrial transfer
Why this pipe
- UV-resistant outer layer protects the pipe from flaking in sunlight
- Composite layer gives rigidity with memory, so runs lay straighter
- Manufactured as per KS ISO minimum requirements
- Composition
- 4 layers (outer layer mixture of PP-R and UV stabilizer & inner layer)
- Pressure rating
- 25 bar (PN12.5/25)
- Length
- 4 metres
- Colour
- Outer layer black, second layer white, third layer maroon & inner layer white
- Manufactured to
- KS ISO minimum requirements
Catalogue advantages
Protected against UV rays
The UV protected layer is comprised of UV resistant materials which protect the pipe from flaking when exposed to sunlight over time.
Rigid with memory
The composite material provides rigidity with memory to the pipes allowing them to be laid straighter.
Chemical & mechanical endurance
They offer very high resistance against abrasion by hard particles. This is especially important in cases of well water or industrial applications, where the transferred liquids may contain abrasive particles.
Corrosion and chemical resistance
These pipes are resistant to corrosion and aggressive environment; their transmission capacity is high due to smooth inner surface.
Durability
It can endure the temperature and pressure strain of hot water systems. At the same time it is able to structurally withstand impacts even in cold weather installations without any risk of cracking or breaking, unlike other common types of plastic piping.
Dimensions, pressure ratings and product codes
| Dimension | 20 | 25 | 32 | 40 | 50 | 63 | 75 | 90 | 110 |
|---|---|---|---|---|---|---|---|---|---|
| OD (mm) | 20 | 25 | 32 | 40 | 50 | 63 | 75 | 90 | 110 |
| ID (mm) | 14.4 | 18.0 | 23.2 | 29.0 | 36.2 | 45.8 | 54.4 | 65.4 | 79.8 |
| S (mm) | 2.80 | 3.50 | 4.40 | 5.50 | 6.90 | 8.60 | 10.3 | 12.3 | 15.1 |
| PN | 10°C – 30°C | 30°C – 65°C | 80°C – 90°C |
|---|---|---|---|
| 12.5/25 | 25 bar | 20 bar | 8 bar |
Product codes
PN12.5/25
- PPCU20
- PPCU25
- PPCU32
- PPCU40
- PPCU50
- PPCU63
- PPCU75
- PPCU90
- PPCU110
Catalogue pages 4, 14 and 20
Other PP-R systems
PP-R Pipe
The standard single-layer polypropylene random copolymer pipe for hot and cold water plumbing inside buildings.
View productPP-R Composite Pipe
A three-layer PP-R pipe rated to 25 bar, built for hot and cold water transfer, under-floor and central heating.
View productPP-R UV Protected Pipe
A two-layer PP-R pipe with a UV-stabilised black skin over a green PP-R core, built for drinking water lines exposed to sunlight.
View productPP-R Thermal Insulated Pipe
A three-layer PP-R pipe with a thermal insulating middle layer, for hot and cold water runs where heat loss matters.
View product
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Every dimension table, pressure rating and product code is published on the product range page.

