Pumps avoid hazardous leaks
A
CDR Pumps (UK) product story
Edited by the Engineeringtalk editorial team
Jul 8, 2008
The magnetic drive pump concept removes the need for traditional mechanical seals, which suffer from wear due to heavy contact of the mating seal faces.
P and G Processors is a chemical milling machine manufacturer which has experienced problems with the pumping of etchant ferric chloride.
These problems were solved when CDR Pumps magnetic drive units were used for the processors.
Ferric chloride is heated and maintained at 50C and sprayed at pressures of 2.5bar against materials such as stainless steel, brass, aluminium and steel to chemically 'etch' the surfaces.
This process lends itself to producing items such as microchip bases, printed circuit board manufacture, stencils, nameplates and other intricate parts.
CDR magnetic drive pumps lend themselves to handling this aggressive liquid, which can easily contaminate the surrounding area with the slightest leak.
The magnetic drive pump concept removes the need for traditional mechanical seals, which suffer from wear due to heavy contact of the mating seal faces.
The magnetic drive coupling ensures that these seals are removed, which means a totally-sealed pump unit is in operation and the only opportunity for leakage is in the case of catastrophic failure.
To protect against this, the company recommends installing a digital load monitor, which trips the motor if adverse operating conditions occur.
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