Product category:
Seals
News Release from: Freudenberg Simrit LP | Subject: Custom diaphragms
Edited by the Engineeringtalk Editorial
Team on 10 March 2005
Novel diaphragm helps leading-edge PC
keep cool
A differential diaphragm developed by Freudenberg Simrit plays a crucial role in the thermal management of one of today's leading-edge PCs.
A new high-power PC from one of the world's leading PC manufacturers incorporates two 2.5GHz processors This not only ensures a huge leap in the PC's processing performance, it also results in a sharp increase in heat buildup
This article was originally published on Engineeringtalk on 18 Oct 2004 at 8.00am (UK)
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So to ensure the processor and components are always kept at the ideal temperature, an innovative liquid cooling system has been integrated into the PC.
The decisive advantage of the new system is that the fans can be operated at very low speeds, making the system three times more silent than the preceding model.
The closed cooling system, which is integrated into the PC, constantly flushes liquid around the processors.
To compensate for both the thermal expansion of the coolant and small fluctuations in pressure, the closed circuit needs a compensation chamber.
At the heart of this container, which is attached to the pump flange, is a differential diaphragm developed by Freudenberg Simrit.
This diaphragm is sprung and compensates for fluctuations in the volume of liquid simply, economically, and highly effectively.
In view of the demands for permanent hermetic sealing in such applications, this diaphragm, which has a diameter of only 61mm, meets specific parameter requirements.
For example, it is made of a special chlorinated butyl rubber, which is extraordinarily resistant to the medium used in the cooling system.
This material also helps create the permanent hermetic seal required in the coolant circuit.
Moreover, the diaphragm features a sealing lip made of the same material, which ensures the required static sealing function in the mounting area.
Long-term tests have shown that this chlorinated butyl rubber diaphragm is highly durable in all areas.
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