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Nepal LHLDY-0362 Coarse Aggregate Flow Time Tester
This instrument is used to determine the time required for a certain volume of coarse aggregate to pass through a fixed size opening, indirectly evaluating the angularity of the coarse aggregate. This method is applicable to the angularity determination of coarse aggregate with a nominal maximum size of 9'~19mm.
Product Description
This instrument is used to determine the time required for a certain volume of coarse aggregate to pass through an opening of a fixed size, indirectly evaluating the angularity of the coarse aggregate. This method is suitable for determining the angularity of coarse aggregate with a nominal maximum particle size of 9'~19mm.
Complies with the national mandatory industry standard JTG 3432-2024 "Highway Engineering Aggregate Test Procedures"
Technical Parameters
| Overall Height | Approximately 1225mm |
| Base Size | 2.1400mm x 400mm, consisting of a vibrating table (including rubber suspension, vibration motor, base, etc.) and a flow device (including sample cylinder, flow channel, etc.) |
| Vibration Motor, Speed | 2970r/min+20r/min1 |
| Base | 100kg±10kg |
| The flow device has a frequency of 50Hz and an amplitude of 0.18mm±0.02mm under no-load conditions. | |
| Flow Device | Consists of a plastic sample cylinder and a metal flow channel, with a total mass of 42.3kg±0.1kg |
| The inner diameter of the sample cylinder is 125mm±1mm, and the height is 610mm±10mm | |
| The inclination angle of the flow channel is 10°±0.5°, the internal width is 90mm±1mm, and the plastic is embedded. | |
| Metal baffle plate, adjustable to make the opening 42mm±1mm or 60mm±1mm | |
| Operating Voltage | 220V |
| Power | 0.5KW |
| Overall Weight | 150KG |
| Balance | Sensitivity not greater than 0.1% of the weighing mass |
| Stopwatch | Accurate to 0.1 seconds |
| Receiving Container | Volume approximately 10L |
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