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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If the loss causes any part of the r3427 to be exposed, discontinue the test and repeat, using a sample that is 10 mL larger than previously used.

Last previous edition approved in as D — It may be used for some synthetic fluids; however, the precision statement applies only to hydrocarbon based oils.

Link to Active This link will always route to the current Active version of the standard. Find Similar Products By Category. A temperature sensor of at least equivalent performance is also suitable. The apparatus adopts digital display temperature meter, control temperature with high accuracy. The significance of this test method has not been fully established.

Since some reports were incomplete, this resulted in 48 pairs of replicated data. NOTE 2—By agreement between the customer and the laboratory, the oil may be e3427 at other temperatures. NOTE 6—Previously, chrome sulfuric acid was used in this procedure.

NOTE 15—The program was run by six laboratories, using? However, the precision at these different temperatures is not known at present. This can be implemented by recording the density at intervals, as required. A number in parentheses indicates the year of last reapproval. 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.

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ASTM D3427 Air release value apparatus

This may result in an inability to maintain oil pressure particularly with centrifugal pumpsincomplete oil films in bearings and gears, and poor wstm system performance or failure. You have seen all photos. Pt Platinum resistor 7. This can be obtained by an additional bath, or by using a separate steam or electric heat exchanger.

It is the last photo. Unless otherwise indicated, it is intended that all reagents conform to the speci? Other test asym for example, Test Method D have demonstrated ashm, statistically equivalent results when Nochromix or Micro is used to replace sulfuric chromic acid for cleaning. Ramsbottom Carbon Residue Tester Electric furnace method. Latest Products from This Supplier. Use of a pressure relief valve set at 70 kPa 10 psi is recommended.

No other units of measurement are included in this standard.

Aeration will switch the direction automatically 4. NOTE 8—Oil misting occurs during blowing. Integrated design with big pressure gauge. Enter between 20 to 4, characters.

If you feel that your comments have not received a fair hearing you should make your views known xstm the ASTM Committee on Standards, at the address shown below. Warning—Compressed gas under high pressure.

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ASTM D润滑油空气释放值测定_百度文库

NOTE 4—Use of water in the bath has been found to minimize electrostatic effects. Summary of Test Method 4. This test method was developed for hydrocarbon based oils. Where air release value information is required for such oils, an air releasing time curve may be drawn. This apparatus measures the time for the entrained air content to fall to the relatively low value of 0. Typical questions asked about products Does this product support customization?

The temperature of the air shall be measured by a thermometer located as close as possible to the testing vessel and meeting the speci? Send your message to this supplier. It may be used for some synthetic? The apparatus adopts the pressure regulator valve, pressure gauge displays.

This test may not be suitable for ranking oils in applications where residence times are short and gas contents are high.

This test may not be suitable for ranking oils in applications where residence times are short and gas contents are high. However, entrained air cancause sponginess and lack of sensitivity of the control of turbine and hydraulic systems. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

Preparation of Apparatus 8. Decent and beautiful design.