Water washout characteristics of Lubricating grease

Service Overview

Compliance Standard : ASTM D1264 – Water Washout Characteristics of Lubricating Greases, Equivalent to IP 215,
Application : The Water Washout Apparatus is used to determine the resistance of lubricating grease to washout by water from a bearing when subjected to water spray under controlled laboratory conditions.   Automotive wheel bearing greases, Marine and wet-environment lubricants,  Industrial machinery exposed to water, Quality control of lubricating greases.

Product Description : The apparatus simulates real operating conditions where grease in a bearing is exposed to water. A standard test bearing packed with grease is rotated at 600 ± 30 rpm while water at a controlled temperature is sprayed onto it for 1 hour. The percentage of grease washed out is determined by weight loss.  The unit consists of a bearing housing assembly, water spray system, constant speed motor, water bath with temperature control, and support frame.

Technical Specifications (Typical)

Feature

Specification

Standard

ASTM D1264

Test Bearing

Standard deep groove ball bearing

Bearing Speed

600 ± 30 rpm

Water Flow Rate

5 ± 0.5 mL/sec

Water Temperature

38 ± 1°C (100°F) or 79 ± 1°C (175°F)

Test Duration

60 minutes

Drive Motor

Heavy duty motor with speed control

Water Bath

Stainless steel bath with heater

Temperature Control

Digital PID controller

Frame

Mild steel powder coated / SS construction

Power Supply

230V, 50 Hz, Single phase

Apparatus Supplied :

  • Water washout test unit with motorized bearing assembly
  • Stainless steel water bath with heater
  • Digital temperature controller with sensor
  • Water spray nozzle arrangement
  • Bearing housing and guard
  • Standard test bearing
  • Flow control valve and piping
  • Instruction manual

Optional Accessories

  • Additional test bearings
  • Flow meter for precise water flow measurement
  • Thermometer with calibration certificate
  • Timer with alarm
  • Spare spray nozzles
  • Calibration certificate (NABL traceable)

Dimensions & Weight (Approx.)

Parameter

Value

Overall Size

600 × 450 × 600 mm

Net Weight

35 – 45 kg

Frequently Asked Questions