ZRC4-QL40 Techinical Specifications
Length w/o bit (mm)	Weight w/o bit (Kg)	Diameter (mm)	Thread	Rec. hole size
1097	41	99	API 2 3/8 REG	110-135
Work pressure (Mpa)	Impact Frequency (Hz)	Air consumption (m©ø/min)	Rec. rotation speed (r/min)
1.0-2.5	27 at 1.7 Mpa	6-15	25-40
ZRC4-QL40 DTH hammer features
1£®Mainly for blasting hole above 110mm, in mining and quarry;
2£®Adpot more realiable air distribution method, Valvess type air distribution;
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.