Foaming of lubricating oils in applications involving turbulence, high speed gearing or high volume pumping can cause inadequate lubrication, cavitation, overflow and premature oxidation. The sample....
Foaming of lubricating oils in applications involving turbulence, high speed gearing or high volume pumping can cause inadequate lubrication, cavitation, overflow and premature oxidation. The sample is blown with a controlled volume of air at different specified temperatures. The resultant foam is measured at the end of each aeration period and at different intervals afterward.
Rectangular single / double foam test model with double walled construction with toughened glass observation window (75W x 385H mm) suitable for 1, 2 3 sequence.
Illumination at rear.
Stirrer, heater and cooling coil installed in each bath.
This method consist of single / two test bath large enough to permit immersion of 1000ml graduated cylinder.
Digital temperature controller with PT-100 sensor.
The gas diffuser is of 1″ dia spherical made up to crystalline alumina grain.
Air flow meter with needle valve to maintain an airflow rate of 94 ± 5ml/min through the gas diffuser stone.
Diffuser arrangement consists of diffuser stone, air tube and gasket.
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