AS4251C

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Overview

AS4251C double width hydraulic power extendible screed provides even material flow and unparalleled stability that result in smooth, high quality mats.

Specifications

Units:
Extender Mounting Rear-mounted Rear-mounted Less
Screed Type Tamper Bar Tamper Bar Less

Weights

Weight with Electric Heat 8233.0 lb 3730.0 kg Less
Weight with LPG Heat 8466.0 lb 3840.0 kg Less

Operating Specifications

Standard Paving Width Range 2.55-5 m (8.3-16.3 ft) 2.55-5 m (8.3-16.3 ft) Less
Maximum Paving Width 26.3 ft 8.0 m Less
Crown Adjustment +5% to –3% +5% to –3% Less
Heating System Electric, LPG Electric, LPG Less
Maximum Tamper Frequency 1700 rpm 1700 rpm Less
Maximum Vibrator Frequency 3000 vpm 3000 vpm Less
Minimum Paving Width 8.3 ft 2.55 m Less

Dimensions

Height 6.35 ft 1.9 m Less
Length, Front to Back, Endgates Attached 7.44 ft 2.27 m Less
Length, Front to Back, Endgates Removed 5.0 ft 1.52 m Less
Minimum Width, Endgates Attached 8.92 ft 2.73 m Less
Minimum Width, Endgates Removed 8.3 ft 2.55 m Less
Screed Plates Thickness 0.6 in 15.0 mm Less
Screed Plates Width, Front to Back, Extenders 15.0 in 400.0 mm Less
Screed Plates Width, Front to Back, Main Screed 15.0 in 400.0 mm Less

AS4251C Screed

The screed is available with variable frequency tamper and vibrators and with LPG or electric heating system. The screed control panels include material feeding controls for easy ground crew usage.


Tamper and Vibrator

Automatically operated when the paver advances following a preset ramp. Tamper starting and stopping ramps are adjustable in order to maintain an optimum mat finish. The AS4251C screed is equipped with electronic ignition, automatic and independent adjustment of the smoothing plate temperature for central and each mobil plate.


LPG Heating System

The system provides high efficiency burners and optimum thermostatic temperature control.


Electric Heating System

The system provides a tractor-mounted generator, replaceable heating elements and operator friendly controls providing a cleaner environment. Feature & benefits include simple operation, fast heat-up time, multi-zone heating elements and thermostatic control of all screed plates. Heavy-duty, user-friendly screed heating control unit with self-diagnostic control is positioned at the rear of the machine for easy ground crew usage.


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