High pressure dth hammer

Our DTH hammer and bits are compatible with CIR, DHD, QL,SD,Mission, etc. series of Atlas and Sandvik etc. They are with high efficiency, low failure rate and long service life. Even for all kinds of high hardness, high abrasive rocks and other harsh conditions, our drilling tools can also realize efficient and economical drilling.

Type and Technical Specification of High Pressure DTH Hammers
Item	GL330	GL335	GL340A	GL345	GL350	GL355	GL360	GL380	GL3120
Drilling Dia. (ф/mm)	82-85	90-93	105-130	105-130	130-152	130-152	152-305	203-350	302-508
Hammer Length(mm)	867	908	1052	1034	1387	1220	1450	1551	1934
Outside Dia. (ф/mm)	71	81	92	98	114	124	136	181	275
Weight(kg)	19	21.8	38	39	69	74	126	277	642
Working Pressure(Mpa)	0.8-2.1	0.8-2.1	0.8-2.1	0.8-2.1	0.8-2.1	0.8-2.1	0.8-2.1	0.8-2.1	0.8-2.1
Air Consumption (M3/Min.)	3-12	4.3-14.2	3.5-18	3.5-15	5.7-18	6.5-18	8.5-25	12-31	14-45
Torque(N.M)	150	205	304	335	590	700	822	1560	2410
Impact Frequency (Times/Min.)	≥800	950-1500	≥800	≥800	810-1470	810-1500	820-1475	860-1510	980-1446
Connection 1	48.8×4.2	API 2-3/8	API 2-3/8	API 2-3/8	API 3-1/2	API 2-3/8	API 3-1/2	API 4-1/2	API 6-5/8
Connection 2	ф47-6	ф53-8	ф64-8	ф64-8	ф84-8	ф84-8	ф99.5-8	ф128-10	ф184-8

High Efficient High Pressure Hammer

Item	GL345A	GL355K	GL360K	GL380K
Drilling Dia. (ф/mm)	105-130	140-152	165-219	203-350
Hammer Length(mm)	1034	1098	1372	1504
Outside Dia.(ф/mm)	98	124	152	180
Weight(kg)	39	70	92	230
Working Pressure(Mpa)	0.8-2.1	0.8-2.1	0.8-2.1	0.8-2.1
Air Consumption (M3/Min.)	3.5-15	4.5-18	9-26	9.6-24.8
Torque(N.M)	335	800	1150	1870
Impact Frequency (Times/Min.)	≥800	840-1500	950-1650	1100-1550
Connection 1	API 2-3/8	API 2-3/8	API 3-1/2	API 4 1-2
Connection 2	Ф64-8	Ф84-8	Ф99.5-8	ф128-10