Last previous edition approved in as D – Adopted as a joint ASTM/ IP standard in 2 For referenced ASTM standards, visit. Test Report of Foaming Characteristic (ASTM. D) and Air Release (ASTM D ). Test Report of Foaming Characteristic (ASTM. D) and Air Release. ASTM D Standard Test Method for Air Release Properties of Hydrocarbon Based Oils. standard by ASTM International, 10/01/ View all product.

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Ramsbottom Carbon Residue Tester Electric furnace method. Use of a pressure relief valve set astn 70 kPa 10 psi is recommended. It may be used for some synthetic?

If the residence time in the reservoir is too short to allow the air bubbles to rise to the oil surface, a mixture of air and oil will circulate through the lubricating oil system. NOTE 8—Oil misting occurs during blowing. Calculation of Density Digital astn alarm, easy to operate. However, entrained air cancause sponginess and lack of sensitivity of the control of turbine and hydraulic systems.

Preparation of Apparatus 8. Digital display temperature controller.

Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. The component parts are described as follows: Summary of Test Method 4. Other test methods for example, Test Method D have demonstrated acceptable, statistically equivalent results when Nochromix or Micro is used to replace sulfuric chromic acid for cleaning. If the residence time in the reservoir is too short to allow the air bubbles to rise to the oil surface, a mixture of air and oil will circulate through the lubricating oil d33427.


Where air release value information x3427 required for such oils, an air releasing time curve may be drawn. This can be obtained by an additional bath, or by using a separate steam or electric heat exchanger. A temperature sensor of at least equivalent performance is also suitable. For ready comparison, the above statement is shown in DIN terms in Table 1.

This test may not be suitable for ranking oils in applications where residence times are short and gas contents are high. The apparatus adopts digital display temperature meter, control temperature with high accuracy. NOTE 1—This test method was developed for mineral based oils. NOTE 11—The test may be run for a longer period of time by agreement between the laboratory and the customer.

Air Release Value Apparatus ASTM D3427

China vicat apparatus China dissolution xstm China vacuum filtration apparatus. The significance of this test method has not been fully established. No other units of measurement are included in this standard. Set the compressed air temperature to within 0.

Attach the sinker to the beam of the density balance by means of the platinum wire so that the bottom of the sinker is 10 6 2 mm from the bottom of the test vessel.

This can be implemented by recording the density at intervals, as required. The test vessel should be in a hood, or the air outlet tube should be connected to a vent that removes the vapors. This will be noted if the time for the density to return to the initial?

China kipps apparatus China weighing apparatus China melting point apparatus. This may result in an inability to maintain oil pressure particularly with centrifugal pumpsincomplete oil films in bearings and gears, and poor hydraulic system performance or failure.


This is not what you are looking for? Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Aeration will switch the direction automatically 4. Precision and Bias 7 9. It is the last photo. The apparatus is equiped with densimeter.

Set the circulating bath to give a specimen temperature within 0. After 5 min, start the supply of air at a gage pressure of 20 kPa at the required temperature.

ASTM D3427 Lubricating Oil Air Release Value Test Device (TP-0308)

You have seen all photos. Work Item s – proposed revisions of this standard. NOTE 12—For some applications, the shape of the air release time curve may be required. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. Enter between 20 to 4, characters. ASTM International takes 3d427 position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

China Air Release Value Apparatus ASTM D – China Air Release Testing, Release Value Apparatus

A coil of copper tubing immersed in the circulating bath see 6. Five samples were tested at one temperature and four at another.

It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.