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Asphalt/bituminous mixture

Automatic Marshall compactors, ASTM

ASTM D1559 | AASHTO T245 | ASTM D6926
Main features
  • Both versions feature automatic control and a reliable rammer lifting device
  • High resolution graphical display 128x80 pixels and 6 keys membrane keyboard 
  • Noise reduction cabinet available
  • CE versions complete with safety guards for operator protection and emergency stop button
General description
General description
CE versions 76-B4442, 76-B4443, 76-B4444
The apparatus automatically compacts the sample and stops after a preset number of blows has been completed. All moving parts are protected with safety guard, which stop automatically the compactor when opened and the control panel is fit with an emergency stop red button, all conforming to CE prescriptions. The compactor is supplied complete with wooden pedestal. 
The moulds have to be ordered separately. See accessories.
 
The compactors can be factory installed inside the 76-B4000/CB Noise reduction and CE security cabinet. See accessories.
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Technical specifications

Models 76-B4442
76-B4443
76-B4444
Power rating 800 W
Drop frequency (lows/min) 55 ± 5
Tamping face dia. 98.5 mm
Rammer weight 4536 ± 9 g
Drop height 457 ± 3 mm
Overall dimensions 385x470x1867 mm
Weight approx. 150 kg
 

Ordering info

CE versions with safety guards, for 101.6 mm (4”) dia. specimens

76-B4442
Marshall impact automatic compactor for 101.6 mm dia. (4”) specimens. CE version with safety guards. 230 V, 50 Hz, 1 ph

76-B4443
Marshall impact automatic compactor for 101.6 mm dia. (4”) specimens. CE version with safety guards. 220 V, 60 Hz, 1 ph

76-B4444
Marshall impact automatic compactor for 101.6 mm dia. (4”) specimens. CE version with safety guards. 110 V, 60 Hz, 1 ph

Accessories

76-B4000/CB
Noise reduction cabinet for automatic Marshall ASTM and EN compactors

Description
The Marshall automatic compactors can be factory installed inside the cabinet which provides either the sound isolation (less than 78 dB) or operator safety conforming CE prescriptions,  as the machine stops automatically opening the door.
The cabinet is delivered disassembled with instructions for the easy laboratory fitting.
  • Dimensions: 850x670x2200 mm approx
  • Weight approx.: 130 kg

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