Air-driven hollow DTH hammer, China Suppliers and Manufacturers

Air-driven hollow DTH hammer

Supplier Info

Jiangsu Wallong-Hsin Import & Export Corporation

[China Supplier]

Contact Person : Mr. James

Tel : 86-510-82701813

Fax : 86-510-82725039,82710822 Address: 15/F,Jinhui Mansion,45 West Renmin Road Zip: 214031 Country/Region: China (Mainland) Province/State: Jiangsu City: Wuxi

Product Detail

Used together with dual concentric drill pipe, can perform continuous reverse circulation core drilling.

Type Parameter	GQ80	GQ89	GQ100	GQ108	GQ127	GQ146	GQ160	GQ200	GQ250
Outside diameter	80	89	95	108	127	146	160	184	240
Diameter of drilling hole	28	33	38	44	44	44	60	62	60
Diameter of drilling hole	84-95	95-110	98-105	112-132	132-152	152-175	168-250	205-257	260-350
Air consumption	3	4-5	2-3.5	5-7	8-10	10-12	10-12	10-20	10-25
Air pressure difference across hammer	0.5-1.1	1.2-1.4	0.5-1.1	1.0-1.4	1.0-1.4	1.0-1.4	1.0-1.2	1.0-1.2	1.0-1.5
Single impact energy	50-120	140-155	66-145	110-130	250-280	400-450	500-640	650-850	680-880
Impact frequency	18	17-19	13.5-18.6	16-18	16-18	16-18	14-16	14-16	14-16

Used together with dual concentric drill pipe, air-driven hollow down-the-hole hammer can perform continuous reverse circulation core (sample) drilling and other drilling technology. It is suitable for geological exploration core drilling, well drilling, engineering drilling in hard or complicated formations and it has advantages of high drilling efficiency, long life of bit, high quality of drilling hole and core, etc.

Or produce according to your requirement!

Air-driven hollow DTH hammer