Rehau Rauvipex Duo Pipe 75+75/225 SDR11
Original price was: £344.77£287.31.£150.84£125.70Current price is: £150.84£125.70. £150.84£125.70 inc VAT Incl. VATExcl. VAT
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Description
RAUVIPEX DUO 75mm – 441035
RAUVIPEX DUO 75mm is a pre-insulated twin pipe system designed for underground heating installations with higher heat demands. It combines flow and return pipes within a single casing for buried pipework.
The twin-pipe design allows both flow and return pipes to be installed within one trench, reducing excavation compared to separate single-pipe systems. The insulated construction helps limit heat loss over longer underground runs.
This size is typically used for larger underground heating networks supplying multiple buildings or higher heat loads from a central energy centre.
RAUVIPEX DUO 75mm is compatible with REHAU-approved jointing systems. It is commonly specified for larger district heating and biomass heating projects requiring dependable twin-pipe underground pipework.
| Type | d (mm) | s (mm) | di (mm) | Dmax (mm) | U-value W/(mK) | Volume (l/m) | 2.4m x 1.2m Standard coil (m) | 2.8m x 1.6m Special coil (m) | Weight (kg/m) |
|---|---|---|---|---|---|---|---|---|---|
| UNO 25/100 | 25 | 2.3 | 20.4 | 100 | 0.095 | 0.33 | 325 | – | 1.6 |
| UNO 25/125 | 25 | 2.3 | 20.4 | 125 | 0.079 | 0.33 | 215 | – | 2.0 |
| UNO 32/100 | 32 | 2.9 | 26.2 | 100 | 0.116 | 0.54 | 325 | – | 1.5 |
| UNO 32/125 | 32 | 2.9 | 26.2 | 125 | 0.093 | 0.54 | 215 | – | 2.1 |
| UNO 40/100 | 40 | 3.7 | 32.6 | 100 | 0.145 | 0.84 | 325 | – | 1.6 |
| UNO 40/125 | 40 | 3.7 | 32.6 | 125 | 0.109 | 0.84 | 215 | – | 2.2 |
| UNO 50/125 | 50 | 4.6 | 40.8 | 125 | 0.144 | 1.31 | 215 | – | 2.4 |
| UNO 63/150 | 63 | 5.8 | 51.4 | 150 | 0.151 | 2.08 | 165 | 305 | 3.4 |
| UNO 75/175 | 75 | 6.8 | 61.4 | 175 | 0.155 | 2.96 | 110 | 210 | 5.7 |
| UNO 90/175 | 90 | 8.2 | 73.6 | 175 | 0.199 | 4.25 | 110 | 210 | 5.7 |
| UNO 110/175 | 110 | 10.0 | 90.0 | 175 | 0.287 | 6.36 | 110 | 210 | 5.7 |
| UNO 110/200 | 110 | 10.0 | 90.0 | 200 | 0.199 | 6.36 | 105 | 140 | 7.2 |
| UNO 125/200 | 125 | 11.4 | 102.2 | 200 | 0.286 | 8.20 | 105 | 140 | 7.5 |
| UNO 140/225 | 140 | 12.7 | 114.6 | 225 | 0.285 | 10.32 | 90 | 120 | 9.3 |
| DUO 20 + 20/125 | 20 | 1.9 | 16.2 | 125 | 0.111 | 0.21 | 215 | – | 2.4 |
| DUO 25 + 25/125 | 25 | 2.3 | 20.4 | 125 | 0.134 | 0.33 | 215 | – | 2.4 |
| DUO 32 + 32/125 | 32 | 2.9 | 26.2 | 125 | 0.176 | 0.54 | 215 | – | 2.3 |
| DUO 40 + 40/150 | 40 | 3.7 | 32.6 | 150 | 0.200 | 1.31 | 165 | 305 | 3.3 |
| DUO 50 + 50/175 | 50 | 4.6 | 40.8 | 175 | 0.181 | 2.07 | 110 | 210 | 5.7 |
| DUO 63 + 63/200 | 63 | 5.8 | 51.4 | 200 | 0.219 | 2.07 | 105 | 140 | 7.4 |
| DUO 75 + 75/225 | 75 | 6.8 | 61.4 | 225 | 0.253 | 2.96 | 90 | 120 | 9.1 |
1) Special order production
2) 2.8m x 1.2m
The documents and links below provide installation guidance and product information to support the use of the Rehau Rauvipex product range.
Below are some useful videos on Rehau Rauvipex.
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