hand rock drills pneumatic rock drill machine kaishan ZQS-20/2.0

hand rock drills pneumatic rock drill machine kaishan ZQS-20/2.0

ZQS-20/2.0
Working Presser	Mpa	0.4	0.5	0.63
Rated torque	N.m	16	20	24
Rated speed	r/min	830	920	950
Maximum power	kW	1.4	2	2.3
Air consumption	m3/min	2.5	3	3.8
No-load speed	r/min	1670	1860	1920
Half load speed	r/min	835	930	960
Half load torque	N.m	15	19	23
Stall Torque	N.m	30	40	46
Operating torque	N.m	28	38	43

    Company Information       Our Services  

1. Pre-sale service. Acting as a good adviser, our well-trained sales groups and professional technical team propose most rational solutions for our valued client as per practical project requirement. 1> Select suitable model & matched equipment. 2> Strong technical support. Reply clients’ questions within 24 hours. 2. Service during the sale. We have responsible team from raw material to finished products, and guarantee 100% pass rate.  1> Design and manufacture products basis of client’s special requirement 2> Inspect each machine & matched accessories strictly before delivery 3> Timely inform client of production progress. 3. After-sale service. We're always with you in after-sale service. 1> We can arrange related after-sales representatives for debugging and training at worksite when starting up. 2> E-mail, call or door-to-door service in later using.

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