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Standard De-Airing Water System
Description & Specification
Standard De-Airing Water System
Categories:
Soil Mechanics Testing Equipment
Technical Specifications
De-airing the water, that will be used to fill triaxial cells, pressure systems and volume change measurement apparatus, is essential for properly saturating soil specimens.
The system comprises the following:
A de-airing tank (two versions are available with 7 or 23 L capacity)
Tubing and accessories
Vacuum pump with air drying unit
Valve panel.
De-airing tank
The tanks consist of a transparent acrylic cylinder fitted with a water spray inlet, an air outlet, a water outlet and a metal stand which can be wall-mounted at a suitable level to fill the triaxial system by gravity. two model are available 7 and 23 l capacity.
Valve panel
The valve panel is usually affixed to the laboratory wall directly underneath the de-airing tank at a suitable height to be operated by hand.
This panel controls the water going in and out of the de-airing tank. For connecting the de-airing tank to the vacuum pump. Includes water tap connection and two de-aired water outlets.
Vaccum pump with drying unit
The vacuum pump has to be used with the air drying unit filled with silica gel desiccant. This is recommended to avoid/limit water vapour mixing with the oil in the pump, which, in significant concentrations, may cause serious damage to the pump. When the pump will be used intensively, use of the outlet mist filter is also recommended, which collects any oil vapour issuing from the oil reservoir during operation.
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