Spiral without fins:
Material: thick-walled steel pipe Tube diameter: Ø 32 mm, Ø 57 mm, Ø 76 mm, Ø 89 mm, Ø 108 mm Max. working temperature: 120 °C Max. working overpressure: 1000 kPa Testing overpressure: 1300 kPa Connection threads: 2 x G1/2" Radiators HRA1, HRAT2 and HRAT3 are suitable for connection to a low-temperature system in a vertical version only!