Design.

Manufactured in Noryl plastic or stainless steel Pre-pressurised air chamber with synthetic rubber compound bladder. The internal surface of the vessels in contact with the water are resistant to corrosion, thus maintaining water quality. External surfaces are black or a natural finish for stainless steel. Suitable for temperatures up to 90 ̊C, resistant to ethylene orpropylene glycol mixtures and has low gas permeability.