Cal-Pro fixed diaphragm tanks are used in closed heating systems.
Separated SBR rubber membranes:
Pre-pressure diaphragm filled with nitrogen at the factory (max. 2.5 bar).
It is used for central heating system.
Suitable for tank heating systems other than drinking water heating systems!
All tanks are factory tested.
Made of carbon steel with MIG welded joints. The outer surface is made of durable epoxy-polyester powder coating.
SBR diaphragms comply with the European Pressure Equipment Directive PED / 97/23 / EC