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Bulkbuy China High Quality DHD340 120mm DHD340 130mm High Pressure DTH Button Bit Down The Hole Drill Bit price comparison, get China China High Quality DHD340 120mm DHD340 130mm High Pressure DTH Button Bit Down The Hole Drill Bit price comparison from DTH Drill Bit, DTH Hammer Bit manufacturers & suppliers on Video Channel of Made-in-China.com .
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Get Price2020-7-3 · An approximate thrust pressure might be 9 kg per diameter millimetre in hard rock at 24.1 bar of air pressure. 25 MARTILLO EN FONDO DTH ... Martillos en fondo Down the hole hammers. DTH equipment ... 8,8 09005-0256 TALLANTE BIT DHD340 130 mm BAL/BAL CONVEXO/CONVEX 9,4 09005-0255 TALLANTE BIT DHD340 130 mm ESF /SPH F ...
Get Price2016-10-18 · As the air moves through the bit and up the hole, the pressure will eventually drop to atmospheric pressure again, at a high volume. At 15,000 ft (4,572 m), the same compressor is still taking in 1,900 cubic feet of air per minute. However, the number of molecules of air is reduced by approximately 42%, calculated by comparing the air pressure ...
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