ZRC5-DHD350 High Air Pressure with Footvalve DTH Hammer

ZRC5-DHD350 Techinical Specifications
Length w/o bitWeight w/o bitDiameterThreadRec. hole size
122675125API 2 3/8 REG135-155
API 2 3/8 IF
API 3 1/2 REG
Work pressureImpact FrequencyAir consumptionRec. rotation speed
1.0-2.525 at 1.7 Mpa9-2325-35
ZRC5-DHD350 DTH hammer features
1.Mainly for blasting hole above 135mm, in geothermal, water well, mining and quarry etc;
2.Adpot more realiable air distribution method, Valvess type air distribution;
3.Simple parts, more wear-resistence;
4.Low air consumption, energy saving, saving more than 10% oil than same model with footvalve type;
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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  • E-mail: zrxs006@126.com
  • Tel. / Fax.: +86 536 8802 715
  • Add.: No. 3701, Zhuangjian Road, Kuiwen Economic Development District, Weifang City, Shandong Province, China
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