Grundfos Heating Expansion Vessels
Grundfos GT expansion vessels ensure long, maintenance-free, reliable and controlled operation, tanks can be integrated in many different systems with a wide variety of pumps. The large number of tank sizes and types available makes it possible to select the pressure tank that best suits the application and system in question.
- domestic-heating and chilled-water systems
- commercial-building heating and chilled-water systems
- industrial-heating and chilled-water systems.
The GT-HR expansion vessels are available in sizes ranging from 8 to 1000 litres and are suitable for vertical installation.
The tanks have a non-replaceable diaphragm that is pre-charged with nitrogen (1.5 bar).
The tanks have a non-toxic butyl rubber diaphragm, dividing the tank chamber into two compartments.
The upper compartment contains compressed nitrogen. The lower compartment has a liner of polypropylene (PP) and is filled with water from the pump.