

Hydrun's open expansion vessels are available in three sizes to meet various expansion volume requirements.
The vessels are designed for smooth installation and have been tested in a laboratory environment at RISE, where it was verified that the expansion vessels do not introduce oxygen into the system.
Easily connects to HY-P and HY-PD using flexible hoses.
Light weight and convenient format simplify both transport and installation.
The vessels are made of plastic and therefore run no risk of corrosion.
Hydrun PE vessels are made of recyclable material. An eco-friendly choice with a long service life.
The vessels are impact-resistant and handle temperatures up to 70°C.
Function and performance verified in independent tests by the Research Institutes of Sweden.

Model
HY-E-OV-200-25
Previous name: EXP. PE CYL 200
Previous part no.: HL10231
Volume: 200 litres
Working temperature: 0-70°C
Connections: DN25
Weight: 10 kg
Diameter: 500 mm
Height: 1150 mm
Medium: Water
Model
HY-E-OV-300-25
Previous name: EXP. PE CYL 300
Previous part no.: HL10251
Volume: 300 litres
Working temperature: 0-70°C
Connections: DN25
Weight: 13 kg
Diameter: 580 mm
Height: 1300 mm
Medium: Water
Model
HY-E-OV-500-25
Previous name: EXP. PE CYL 500
Previous part no.: HL10201
Volume: 500 litres
Working temperature: 0-70°C
Connections: DN25
Weight: 24 kg
Diameter: 714 mm
Height: 1400 mm
Medium: Water