Altecnic offer a complete range of expansion vessels to meet the requirements of most heating or cooling systems.
Expansion vessels for heating systems 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’.
The two halves of the vessel and the diaphragm are retained by a crimped collar to give a pressure tight seal on all sizes.
Non-replaceable diaphragm.
Epoxy coated in grey.
Suitable for flow temperatures up to 120˚C, resistant to ethylene or propylene glycol mixtures and has low gas permeability.
Altecnic expansion vessels are all tested according to the Pressure Equipment Directive.