Koehler K18290 Water Spray Apparatus

Spesifikasi Koehler K18290 Water Spray Apparatus


Complete Water Spray Apparatus meeting ASTM specifications, including spray chamber, delivery system and constant temperature reservoir. Sprays water at the specified rate and temperature on a test panel coated with sample grease. To test for water spray resistance, fill reservoir with 8L of tap water and set thermostat at test temperature. Circulate the water through the system to attain temperature equilibrium and insert the coated test panel in the spray chamber. Adjust water spray to 40psi (276kPa) and continue for 5 minutes. Water spray system includes 1⁄3hp positive displacement pump; spray nozzle with snubber fitting: 0-60psi pressure gauge; bypass valve; shut-off and drain valves; and flexible high pressure water lines. Hinged acrylic spray chamber cover is recessed into the chamber housing to insure watertight operation. Two thermometer wells permit separate monitoring of eservoir and water spray temperatures. Standardized grease application fixture coats test panel with the required thickness of sample grease. Uses tap water; does not require water hook-up.

Test Method

Evaluates the ability of a lubricating grease to adhere to a metal surface when subjected to a direct water spray under controlled conditions. The percentage of grease sprayed off a stainless steel test panel after a specified period is determined by weight.


Conforms to the specifications of: 

ASTM D4049 Circulation System

Drive Motor: 1⁄3hp, 1725rpm

Pump: rotary gear positive displacement type

Pressure Gauge: 0-60psi

Temperature Control Stability: ±1°F (±0.5°C)


  • Conforms to ASTM D4049 specifications
  • Improved spray chamber design

Included Accessories

  • Stainless Steel Test Panel
  • Grease Application Fixture

Additional Accessories

  • 250-000-37C ASTM 37C Thermometer, Range: –2 to +52°C
  • K18210 Stainless Steel Test Panel
  • K18220 Grease Application Fixture

Electrical Requirements

115V 60Hz, Single Phase, 13.3A
220-240V 50Hz, Single Phase, 6.8A
220-240V 60Hz, Single Phase, 6.8A

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