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The Hydrun Pressurisation Unit is a fully automatic unit that regulates system pressure via a motor valve and a soft-start pressure maintenance pump.
The unit uses the motorized valve and soft-starting pump to maintain a constant and stable pressure.
The pressurisation unit is designed to manage expansion in heating and cooling systems smoothly and flexibly. The unit only requires a single pressure setpoint – the rest is handled automatically.
Clear connection logic and preset values reduce time on site.
Proven, service-friendly components from Grundfos, Danfoss, and Schneider Electric.
Modbus TCP, RTU, and BACnet for alarms, status, and logging directly to the BMS/DDC as standard.
The unit can be installed with both open and closed expansion vessels.
Function and performance verified in independent tests by the Research Institutes of Sweden.
Swedish manufacturing with traceable quality, short lead times, and prompt access to spare parts.
Model
HY-P-40
Previous name: Soft-X 40
Previous article no.: HL1060
RSK no.: 553 64 06
Max. operating pressure: 4 bar
Pressure class: 10 bar
Working temperature: 0-70°C
Voltage: 230V 1-phase
Fuse: 10 A
Power: 0.75 kW
Communication: Modbus TCP, RTU and BACnet
Media: Glykol <50%, Etanol <29%
Connections: 22CU / DN25
Dimensions: D:250 x W:500 x H:750 mm
Weight: 22.5 kg
Model
HY-P-40-AF (Autofill)
Previous name: Soft-X 40A
Previous article no.: HL1060A
RSK no.: 553 30 34
Max. operating pressure: 4 bar
Pressure class: 10 bar
Working temperature: 0-70°C
Voltage: 230V 1-phase
Fuse: 10 A
Power: 0.75 kW
Communication: Modbus TCP, RTU and BACnet
Media: Glykol <50%, Etanol <29%
Connections: 22CU / DN25
Dimensions: D:250 x W:500 x H:750 mm
Weight: 22.5 kg
Model
HY-P-55
Previous name: Soft-X 55
Previous article no.: HL1067
RSK no.: 553 30 35
Max. operating pressure: 5.5 bar
Pressure class: 10 bar
Working temperature: 0-70°C
Voltage: 230V 1-phase
Fuse: 10 A
Power: 0.75 kW
Communication: Modbus TCP, RTU and BACnet
Media: Glykol <50%, Etanol <29%
Connections: 22CU / DN25
Dimensions: D:250 x W:500 x H:750 mm
Weight: 23.8 kg
Model
HY-P-55-AF (Autofill)
Previous name: Soft-X 55A
Previous article no.: HL1067A
RSK no.: 553 30 36
Max. operating pressure: 5.5 bar
Pressure class: 10 bar
Working temperature: 0-70°C
Voltage: 230V 1-phase
Fuse: 10 A
Power: 0.75 kW
Communication: Modbus TCP, RTU and BACnet
Media: Glykol <50%, Etanol <29%
Connections: 22CU / DN25
Dimensions: D:250 x W:500 x H:750 mm
Weight: 23.8 kg
Model
HY-P-70
Previous name: Soft-X 70
Previous article no.: HL1068
RSK no.: 553 30 36
Max. operating pressure: 7 bar
Pressure class: 10 bar
Working temperature: 0-70°C
Voltage: 230V 1-phase
Fuse: 10 A
Power: 0.75 kW
Communication: Modbus TCP, RTU and BACnet
Media: Glykol <50%, Etanol <29%
Connections: 22CU / DN25
Dimensions: D:250 x W:500 x H:750 mm
Weight: 25.7 kg
Model
HY-P-70-AF (Autofill)
Previous name: Soft-X 70A
Previous article no.: HL1068A
RSK no.: 553 30 38
Max. operating pressure: 7 bar
Pressure class: 10 bar
Working temperature: 0-70°C
Voltage: 230V 1-phase
Fuse: 10 A
Power: 0.75 kW
Communication: Modbus TCP, RTU and BACnet
Media: Glykol <50%, Etanol <29%
Connections: 22CU / DN25
Dimensions: D:250 x W:500 x H:750 mm
Weight: 25.7 kg
Model
HY-P-90
Previous name: Soft-X 90
Previous art. no.: HL1069
Max. operating pressure: 9 bar
Pressure class: 10 bar
Working temperature: 0-70°C
Voltage: 230V 1-phase
Fuse: 10 A
Power: 0.75 kW
Communication: Modbus TCP, RTU and BACnet
Media: Glykol <50%, Etanol <29%
Connections: 22CU / DN25
Dimensions: D:2 x W:500 x H:750 mm
Weight: 26.4 kg
Model
HY-P-90-AF (Autofill)
Previous name: Soft-X 90A
Previous art. no.: HL1069A
Max. operating pressure: 9 bar
Pressure class: 10 bar
Working temperature: 0-70°C
Voltage: 230V 1-phase
Fuse: 10 A
Power: 0.75 kW
Communication: Modbus TCP, RTU and BACnet
Media: Glykol <50%, Etanol <29%
Connections: 22CU / DN25
Dimensions: D:2 x W:500 x H:750 mm
Weight: 26.4 kg
From Töcksfors to Europe—products that keep the heat (or cooling) where it belongs in the system.
support@hydrun.se
sales@hydrun.se
+46 (0)573-21 630
Hydrun AB
att: HL Hydronics
Bögatan 40
672 41 Töcksfors
Sweden
