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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Back pressure in excess of a gage pressure of 70 kPa 10 psi can be generated when the bath medium is pumped at the required rate; this can cause fracture of the glass or slippage of the hose connections. A superscript epsilon e indicates an editorial change since the last revision or reapproval. 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.

Digital display temperature controller 4.

This test may not be suitable for ranking oils in applications where residence times are short and gas contents are high. The apparatus is equiped with densimeter. NOTE 4—Use of water in the bath has been found to minimize electrostatic effects. NOTE 15—The program was run by six laboratories, using?

However, entrained air can cause sponginess and lack of sensitivity of the control of turbine and hydraulic systems. Not exactly what you want?

The test vessel should be in a hood, or the air outlet tube should be connected to a vent that removes the vapors. Work Item s – proposed revisions of this standard. Link to Active This link will always route to the current Active version of the standard. Air from a cylinder or a nonpulsating pump may be used. Box 70, Burlington, NJ Current edition approved Nov.

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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. Send your message to this supplier. The component parts are described as follows: 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.

This standard is d327 to revision at any time by the responsible technical committee and must be reviewed every? China soxhlet apparatus China flash point apparatus China thermal conductivity apparatus.

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

However, the precision at these different temperatures is not known at present. Historical Version s – view previous astn of standard. Digital timer alarm, easy to operate. NOTE 8—Oil misting occurs during blowing.

Pt Platinum resistor 7. It is used to test the ability of turbine, hydraulic, and gear oils to separate entrained air. Calculation of Density 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. Ramsbottom Carbon Residue Tester Electric furnace method. This test may not be suitable for ranking aztm in applications where residence times are short and gas contents are high.

Request a custom order and have something just for you! Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Set the compressed air temperature to within 0.

ASTM D润滑油空气释放值测定_百度文库

The significance of this test method has not been fully established. You have seen all photos. A coil of copper tubing immersed in the circulating bath see 6.

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This will be noted if the time for the density to return to the initial? It is the last photo.

Since some reports were incomplete, this resulted f3427 48 pairs of replicated data. 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. Typical questions asked about products Does this product support customization? Warning—The use of glass vessels with glass host? Boiling Point of Engine Coolants Tester.

The two parts of each test vessel should be marked and preferably used as a pair. NOTE 3—The application of thermal insulation to the pipework carrying the heated compressed air is recommended. NOTE 1—This test method was developed for mineral based oils.

Air Release Value Apparatus ASTM D3427

Attach the sinker to the beam of the ashm 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. The required bath temperature setting and time for the specimen to equilibrate can be established for an equipment setup by making trial runs with a thermometer in the oil specimen.

Five samples were tested at one temperature and four at another. This apparatus measures the time for the entrained air content to fall to the relatively low value of 0. It is d427 responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.