Eres expansion vessels are manufactured to meet the requirements of PED 97/23/EC Directive, and BS EN 13831:2007 ‘Closed expansion vessels with built in diaphragm for installation in water’.
sections together which results in a very reliable structure suitable for internal pressures up to 5 or 6 bar.
Epoxy coated and available in red.
Non-replaceable diaphragm held securely in place by a flange.
Suitable for temperatures up to 100ËšC
Resistant to ethylene or propylene glycol mixtures and has low gas permeability.
In the event that the diaphragm within the expansion vessel could be subjected to continuos temperatures above 100ËšC, the vessel must be protected by an additional vessel (VDI 6002 directive).
