Hot Water Pipe (PE-RT)

Vinilon/Hansen Polyethylene – Raised Temperature (PERT) Pipes for Hot Water System

The Hansen PE-RT (Ethylene-Octene Copolymer) Hot Water pipes, together with their Nylon 6 fittings, provide a cost effective solution towards your hot water requirements.

PE-RT (Polyethylene Raised Temperature) pipes are very widely used in Europe for hot and cold water networks (plumbing), heat exchangers, solar panels, floor heating, radiator connections etc.

tested and passed the MS ISO 10508 Standard. It has a Class 2 rating, ie, a working temperature of 70°C at a working pressure of 4 bar.

Thermal & Mechnical Properties

Properties	PE-RT
Max operating temperature for water as medium	95 °C
Long-term operation 50 years, IS) 10508 class 2 Hot water supply (in case of malfunction 1000h 95 °C	4 bar/70 °C
Thermal conductivity	0.4W/mK
Coefficient of elongation	0.2mm/mK
Surface roughness k (according to Prandti-Colebrook)	0.007 mm
Oxygen diffusion DIN 4726, 40 °C (heating pipe)	< 0.1 mg/l d

TESTS UNDERGONE BY THE HANSEN HOT WATER SYSTEM

1. Hydrostatic Pressure Resistance

Internal hydraulic pressure of 6 bar for a period of at least 1 hour at 20°C ± 2°C.
Internal hydraulic pressure for a period of 1000 hours at 95°C ± 2°C (for accelerated aging) of a value determined by dividing the 1000 hour expected stress level for the pipe material by (d-e)/2e.

2. Thermal Cycling

5,000 cycles each of duration 30 min ± 2 min at a constant internal pressure of 4 bar. Each cycle will comprise 15 min of cold water (at temperature 20°C ± 2°C) and 15 min of hot water at 90°C.

3. Cyclic Pressure Shock

Tested at 23°C ± 2°C for 10,000 cycles of alternate internal positive pressure of 1 bar ± 0.5 bar and 15 bar ± 0.5 bar at a frequency of aat least 30 pressure cycles per minute.

4. Resistance to pull-out of assembled joint

A constant tension, calculated from a pressure of 15 bar, applied to the total cross sectional area of the pipe for 1 hour at 23°C ± 2°C.
A constant tension, calculated at 4 bar applied to the total cross sectional area of the pipe for 1 hour at 90°C.

5. Resistance to bending of assembled joint

When the assembly is bent to a radius of 20 times the diameter of the pipe at 23°C, the jointed assembly shall withstand for 1 hour, an internal hydraulic pressure without leakage of 15 bar.