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ASTM D3427 PDF

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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The two parts of each test vessel should be marked and preferably used as a pair. Historical Version s – view previous d3247 of standard. The significance of this test method has not been fully established. The apparatus adopts digital display temperature meter, control temperature with high accuracy. Precision and Bias 7 9.

Your comments will receive careful consideration at a meeting of the responsible technical committee,1 which you may attend. Digital display temperature controller 4.

Digital air release properties tester, astm d3427 lubricating oil testing equipment

This can be implemented by recording the density at intervals, as required. Use of a pressure relief valve set at 70 kPa 10 psi is recommended. This test may not be suitable for ranking oils in applications where residence times are short and gas contents are high. Work Item s – proposed revisions of this standard. A number in parentheses indicates the year of last reapproval. Changsha Suny Electronic Technology Asttm.

ASTM D润滑油空气释放值测定_百度文库

It may be used for some synthetic? A temperature sensor of at least equivalent performance is also suitable. Enter between 20 to 4, characters. If the residence time in the reservoir is too short to allow the air bubbles to rise to the oil surface, a mixture aztm air and oil will circulate through the lubricating oil system.

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The temperature of the air shall be measured by a thermometer located as close as possible to the testing vessel and meeting the speci? Digital display temperature controller. If the loss causes any part of the sinker to be exposed, discontinue the test and repeat, using a sample that is 10 mL larger than previously used. Zstm reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. Ramsbottom Carbon Residue Tester Electric furnace method.

NOTE 4—Use of water in the bath has been found to minimize electrostatic effects.

This can be obtained by an additional bath, or by using a separate steam or electric heat exchanger. Find Similar Products By Category. Warning—The use asmt glass vessels with glass host? You have seen all photos. NOTE 1—This test method was developed for mineral based oils. This may take about 20 min. Once receive your question, the supplier will answer you asttm soon as possible. The significance of this test method has not been fully established.

This apparatus measures the time for the entrained air content to fall to the relatively low value of 0. However, entrained air can cause sponginess and lack of sensitivity of the control of turbine and hydraulic systems.

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ASTM D3427 Air release value apparatus

Aeration will switch the direction automatically 4. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

However, entrained ashm can cause sponginess and lack of sensitivity of the control of turbine and hydraulic systems. Warning—Compressed gas under high pressure.

Digital timer alarm, easy to operate. Last previous edition approved in as D — NOTE 11—The test may be run for a longer period of time by agreement between the laboratory and the customer. Not exactly what you want? NOTE 6—Previously, chrome sulfuric acid was used in this s3427. The component parts are described as follows: Current edition approved Nov.

A coil of copper tubing immersed in the circulating astn see 6. China kipps apparatus China weighing apparatus China melting point apparatus.

Build-in air heater, safe and fast Technical parameters 1. Back pressure in excess of a gage pressure of 70 kPa 10 psi can be generated when asfm bath medium is pumped at the required rate; this can cause fracture of the glass or slippage of the hose connections.

This test may not be suitable for ranking oils in applications where residence times are short and gas contents are high. Request a custom order and have something just for you!