DEMULSIBILITY TEST APPARATUS-(WATER SEPARABILITY TEST APPARATUS)-(ASTM D2711)

DEMULSIBILITY TEST APPARATUS-(WATER SEPARABILITY TEST APPARATUS)-(ASTM D2711)

Model Number : EIE-PTLT-124

The demulsibility characteristics of lubricating oils as per ASTM D2711-22 involve evaluating the oil’s ability to separate from water. This is crucial for applications where water contamination is possible, as the presence of water can impact the oil's performance and protection of machine parts. Here's a summary of the test, along with apparatus specifications and critical dimensions:


Compliance with following international standards:

ASTM D2711

Test Summary

The ASTM D2711-22 method tests the ability of a lubricating oil to separate from water. The oil sample is mixed with a specified volume of water under controlled conditions and stirred at a set speed and temperature. After stirring, the mixture is allowed to settle, and the volume of separated oil, water, and emulsion are measured. This provides an indication of the oil's demulsibility.

Brief Construction Details:

Following accessories will be the part of standard supply.

  1. Heating bath
  2. Common Stirring paddles (Common electric motor)
  3. Special Graduated Separatory Funnels
  4. Digital temperature controllers for temperature controlling and its indication
  5. Manual Lift and drive mechanism for four different test positions

The detail descriptions of these parts and accessories are given below:

1) Heating Bath

  1. Double walled water‑bath with inlet provision
  2. Rectangular shape
  3. Stainless steel structure
  4. Outer body fabricated from Mild Steel material ‑ Powder coated in attractive shades
  5. Inner chamber fabricated from Stainless Steel ‑ 304
  6. Heavy insulation between inner chamber and exterior body
  7. Capable enough to maintain bath temperature at 82°C ± 1°C.
  8. Bath section is fitted with efficient heating elements and PT‑100 temperature Sensors
  9. Temperature is controlled by individual Microprocessor based dual display digital PID Temperature indicator cum controller
  10. Heating bath is equipped with 4 different test holes, 4 test cylinders and stainless Steel stirrer
  11. Entire Unit can accommodates 4 test positions ‑ 4 test cylinders
  12. Temperature control accuracy: ± 0.2°C
  13. Temperature display: LED
  14. Temperature range: 5 °C above ambient to 150 °C
  15. Supplied with over temperature protection safety cut‑off system
  16. Unit is also equipped with RPM indication an speed regulator

2) Special Graduated Separatory Funnel:

  1. No of Funnels: 02 Numbers
  2. Capacity: 500‑mL capacity
  3. MOC: Made of Borosilicate heat‑resistant glass
  4. Inside diameter: 50 mm I.D.
  5. Outside diameter: 54 mm

3) Stirring paddles:

  1. Material: Stainless steel material
  2. Length, mm (in): 120 ± 1.5 (43.4 ± 1.16)
  3. Width, mm (in): 19 ± 0.5 (3.40 ± 1.64)
  4. Thickness, mm (in): 1.5 (1.16)
  5. Revolution per minute: 4500 ± 500 rpm

Optional Accessories At Extra Cost:

Automatic Lifting mechanism with Touch Screen HMI Display and PLC System .

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