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 temperature of the air shall be measured by a thermometer located as close as possible to the testing vessel and meeting the speci? NOTE 1—This test method was developed for mineral based oils.

Build-in air heater, safe and fast Technical parameters 1. Warning—Compressed gas under high pressure. This test method was developed for hydrocarbon based oils. How do you ship the products? Precision and Bias 7 9. This can be obtained by an additional bath, or by using a separate steam or electric heat exchanger. Where air release value information is required for such oils, an air releasing time curve may be drawn.

Latest Products from This Supplier. 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.

This may result in an inability to maintain oil pressure particularly with centrifugal pumpsincomplete oil? Changsha Suny Electronic V3427 Limited. Attach the wire to the beam and maintain a distance of 10 6 2 mm between the bottom of the sinker and the bottom of the test vessel.


For ready comparison, the above statement is shown v3427 DIN terms in Table 1.

NOTE 6—Previously, chrome sulfuric acid was used in this procedure. You have seen all photos. It may be used for some synthetic? Originally approved in Integrated design with big pressure gauge. Air from a cylinder or a nonpulsating pump may be used.

Find Similar Products By Category. Interchanged parts may be used so long as the resultant test vessel conforms to the stated dimensions. Five samples were tested at one temperature and four at another. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. A number in parentheses indicates the year of last reapproval.

It is used to asttm the ability of turbine, hydraulic, and gear zstm to separate entrained air. Once receive your question, the supplier will answer you as soon as possible. However, entrained air cancause sponginess and lack of sensitivity of the control of turbine and hydraulic systems.

ASTM D3427 Air release value apparatus

Your f3427 will receive careful consideration at a meeting of the responsible technical committee, which you may attend. It may be used for some synthetic fluids; however, the precision statement applies only to hydrocarbon based oils. The apparatus adopts the pressure regulator valve, pressure gauge displays. This will be noted if the time for the density to return to the initial? Digital display temperature controller.

Air Release Value Apparatus ASTM D3427

Balanced Reflux Boiling Point Tester. NOTE 16—The precision statement was developed using 1. Unless otherwise indicated, it is intended that all reagents conform to the speci? Typical questions asked about products Does this product support customization?


Historical Version s – view previous versions of standard.

The apparatus adopts digital display temperature meter, control temperature with high accuracy. Boiling Point of Engine Coolants Tester.

ASTM D润滑油空气释放值测定_百度文库

Current edition approved Nov. Send This is not what you are looking for? If the time is greater than 30 min, discontinue the test. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. 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.

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

NOTE 12—For some applications, the shape of the air release time curve may be required. Asym, entrained air can cause sponginess and lack of sensitivity of the control of turbine and hydraulic systems.

NOTE 15—The program was run by six laboratories, using? It is used to test the ability of turbine, hydraulic, and gear oils to separate entrained air.

This test may not be suitable for ranking oils in applications where residence times are short and gas contents are high. NOTE 3—The application of thermal insulation to the pipework carrying the heated compressed air is recommended.

A temperature sensor of at least equivalent performance is also suitable.