The CAL-PRO expansion vessels absorb the water volume variations in closed heating systems maintaining constant pressure, helping to reduce energy consumption.
The broad range available meets the requirements of various heating systems.
capacity: from 4-900 litres
Crimped or welded carbon steel shells
Synthetic SBR rubber according to DIN 4807-3 norms suitable for every capacity for maximising tank drawdown.
Vessels are painted externally with long-lasting epoxy polyester
Installation and Operations Manual