Diaphragm vessel CH 25

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Diaphragm vessel CH 25

Diaphragm vessels absorb water volume fluctuations in the closed system of a central heating system, maintaining constant pressure and helping to reduce energy consumption. The wide range of diaphragm vessels available meets the requirements of various heating systems and sizes. In a closed central heating system, water cannot be compressed and any increase in water volume due to a rise in temperature is absorbed by the diaphragm vessel. When the water is cold, the pre-pressure of the vessel presses on the diaphragm. As the temperature rises, the increasing volume of water presses on the diaphragm and water flows into the vessel providing additional space in the system. As the temperature drops, the air absorbs the forces and the water flows back into the system. This allows the system to maintain pressure, helping to reduce the energy consumption of the central heating system.

Technical specifications:

• Operating temperature range: -10^o C +100^o C
• Maximum operating pressure: 10 bar (5 bar for 35l vessel)
• Initial pressure: 1.5 bar
• Diaphragm type: SBR (non-replaceable)
• Capacity: 5-40l
• Made in Italy
• 3 year warranty on the entire vessel
• Special diaphragm mounting system to minimize the possibility of leakage at the flange connection to the vessel
• No contact between the liquid inside the membrane and the vessel walls