ZRC3.5A-DHD3.5 High Air Pressure without Footvalve DTH Hammers

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ZRC3.5A-DHD3.5 Techinical Specifications
Length w/o bitWeight w/o bitDiameterThreadRec. hole size
(mm)(Kg)(mm)
8652080API 2 3/8 REG90-110
Work pressureImpact FrequencyAir consumptionRec. rotation speed
(Mpa)(Hz)(m³/min)(r/min)
1.0-2.525 at 1.7 Mpa5-925-40
ZRC3.5A-DHD3.5 DTH hammer features
1.Mainly for blasting hole above 90mm, in mining and quarry;
2.Adpot newest rock drilling theory, better transmission of energy, bigger power for each impact;
3.Simple parts, more wear-resistence;
4.Low air consumption, energy saving, fast penetration speed;
5.Simple structure, easy maintance; highly matched parts, more realiable, low faliure rate; low disamble rate, long service life, low operating cost, very steady in performance.


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