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Asphalt Rolling Thin Film Oven

  photo of superpave rtfot James cox and sons ovenتصویرآون دوارافت وزنی جیمزکاکس اند سانز rtfot

The SuperpavePG binder specification looked for tests which would closely simulate field performance. Hotmix asphalt binder experiences significant aging during the manufacturing and laying process. Investigating this phenomenon within a laboratory environment, with a repeatable and simple test is very useful within the design process.

The Rolling Thin Film Oven (RTFO) test is used to measure the effect of heat and air on a moving film of semi-solid asphalt binder. The results of this treatment are determined from measurements of the binder properties before and after the test.

Repeatability of the test is directly related to the accuracy with which the oven temperature can be maintained and the reproducibility of the thermal rise time of the system. The invention of RTFO by Cooper is led to the present day AASHTO,ASTM and EN standards for Rolling Thin Film Oven test.

Key Features

  • Super accurate P.I.D. controller
  • Low thermal mass RTD
  • Over temperature safety cut-out
  • Double walled temperature cabinet
  • Unique temperature control suppression
  • Made in California

    System Elements

  • Long life sustainable bearings to overcome temperature
  • Integrated unique controller which allows for the quickest
    response time without excessive overshoot
  • Testing jars (full set) supplied according to standard requirements
  • Stainless steel interior
  • Integral dual 4 digit LED displays allows viewing of the process temperature and set point simultaneously
  • Heavy duty “flush fit” door locking system
  • Double-walled construction.
  • 16-gauge welded steel exterior.
  • 18-gauge corrosion resistant stainless steel interior
Insulation mm (inch) 89 mm (3.5) of high density fiberglass insulation
Controller Programmable microprocessor UL listed
Temperature Display
  • Measured Temperature – 4 digit red LEDs
  • Temperature Set Point – 4 digit green LEDs
Thermal Protection Prevents oven from overheating in the event of control failure
Temperature Range Ambient to 200°C (390°F)
Vents Double exhaust vents for dissipation of expended volatile from specimen
Air Flow Adjustment Needle valve (long taper)
Air Pressure Gauge Range 0 – 100 psi
Electrical Supply
  • CRT-0325-1060: 1 Ph 208-230 V 60 Hz (Domestic)
  • CRT-0325-1061: 1 Ph 208-230 V 60 Hz (International)
  • CRT-0325-1062: 1 Ph 208-230 V 60 Hz (With Digital Flowmeter)
  • CRT-0325-1063: 1 Ph 208-230 V 60 Hz (With Digital Flowmeter – International)
  • CRT-0325-1050: 1 Ph 208-230 V 50 Hz (International)
  • CRT-0325-1051: 1 Ph 208-230 V 50 Hz (With Digital Flowmeter – International)
Dimensions (WxDxH) mm (inch) 1016 x 660 x 915 (40 x 26 x 36)
Estimated Weight Kg (lbs) 173 (380)
Click for quotation

آونRTFOT،آون دوار لايه نازك قير ،آون دوار،آون دوار چرخشی،آون کاکس،آون جیمزکاکس،James Cox & Sons RTFOT#

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