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Aggregate Testing Equipments

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Mechanical Properties of Aggregates
Aggregate Crushing Value Apparatus
IS 2376 (PART-IV) & BS 812:111
For Measuring of Resistance of Aggregate to Crushing.

The Aggregate Crushing Value (ACV) test set provides a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. Each set consists of steel cylinder, plunger, base plate, cylindrical measure and tamping rod. All parts of the apparatus are powder coated or galvanized steel, heat treated and ground before manufacturing to make it durable and reliable.

Consists of M.S. Cylindrical Container 150mm +/-0.5mm dia x 130mm to 140mm high with base plate 200 to 230mm/sqr x 6mm thick. A Plunger of 148mm +/-0.5mm dia x 100 to 115mm high. Supplied complete with Tamping Rod, 16mm dia x 600mm long, both ends rounded, 1 no. Metal Measure 115+/- 0.5mm dia x 180 +/- 0.5mm high.

Note :
On Special Request Aggregate Crushing Value Apparatus having 75mm dia or 300mm dia cylinder size can be supplied.
Aggregate Impact Tester With Blow Counter
IS 2386 (PART IV) 9377 & BS 812:112
It is robustly designed to determine the aggregate impact value (AIV) of aggregates which provides a relative measure of the resistance of an aggregate to sudden shock or impact. The counter fitted to the machine automatically records the number of blows delivered to the sample, manufactured from heavy duty plated steel to resist corrosion.

  •  The instrument consists of a circular base with Two vertical guides.
  •  The Hammer of weight 13.75 +/-0.25kg can be raised to fall freely down the vertical guides.
  •  The Height of fall can be adjusted through 380 +/- 5mm.
  •  The Hammer is provided with a locking arrangement.
  •  The hammer falls freely to the base and is removable for employing.
  •  Supplied complete with metal measure 75mm dia x 50mm high (For specimen preparation) and Tamping Rod 230mm long x 10mm diameter.
  •  A Blow Counter to count the number of strokes is fitted on top of the equipment.
Accelerated Polishing Machine
  •  High ground steel main spindle running in precision sealed ball bearings additionally protected by a labyrinth seal spindle axially loaded to eliminate end play
  •  Adjustable 3 phase motor speed control with adjustable timing belt drive, reducing power consumption and improves control
  •  Inverter drive to motor for precise speed control
  •  Digital display preset timer and revolution counter
  •  Robust welded steel mainframe, standing on adjustable pads
  •  Specimens manufactured and easily removed from precision machined moulds
  •  14 Specimens located on ‘Road Wheel’ by rubber rings and held by simple side fixing
  •  Water gravity fed from high level tank through calibrated flow meter
  •  Used abrasive and water collected in easily removable tray
  •  Loaded tyre raised and lowered to the running surface by mechanical lifting device
  •  Protection by covers and guards may be easily removed for maintenance

Specifications :
  •  Road Wheel Speed - 320 ± 5 rev min -1
  •  Tyred Wheel Set Diameter mm - 200 ± 3
  •  Tyred Wheel Set Width mm - 38 ± 2
  •  Tyred Wheel Hardness - (69 ± 3) mm IRHD
  •  Applied Load on the Wheel - (725 ± 10) Newton
  •  Electrical Supply - 230v / 110v. 50/60 Hz Single Phase 13 amp
  •  Dimensions mm (WxDxH) - 810 x 790 x 1230
  •  Water Tank Height cm - 155
  •  Palletised Dimensions mm (WxDxH) - 1200 x 800 x 1280
  •  Weight (max) Kg - 210
Skid Resistance And Friction Tester Standard
EN 13036-4 (Also Conforming to EN 1097-8, ASTM E103)
Used for the measurement of surface friction properties, the apparatus is suitable for both site and laboratory applications and for polished stone value tests using curved specimens from accelerated polishing tests. The equipment is supplied with :

  •  Additional scale for tests on polished stone value specimens
  •  6 rubber sliders for site use, complete with conformity certificate
  •  Thermometer -10 to +110°c for surface temperature measurement
  •  1 litre washing bottle, for surface wetting
  •  Tool set with case, for machine assembly
  •  Rule for sliding length verification

Specification :
  •  Rocker weight : 1500 +/- 30 g
  •  Distance between rocking centre & center of gravity : 410 +/- 5 mm
  •  Positive static pressure on pavement : 22.2 +/-0.5 kn
  •  6 rubber slider and base plate dimension (mm) : 700×360×700
Contact Us
H-20 (Ground Floor), Pocket-F, Sector-1,
Bawana (DSIDC), New Delhi - 110039, India
91-8130516662, 8130516663

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