Close system expansion vessels with membrane (AR).
Usage: expansion vessel for drink and usage water
Standard pre-charge value: 1.5 bar (2 l > 3 bar).
Max pressure: 10 bar
Operating temperature: -10 °C ÷ 100 °C
Membrane: repalceable EPDM DIN4807
Color: RAL9010 white

Closed solar expansion vessels (VS)
Used for solar systems.
Standard pre-charge valeu: 2.5 bar
Max. pressure: 8 bar
Operation temperature: -10 °C ÷ 140 °C
Membrane: EPDM DIN4807
Color: RAL9010 epoxy white