Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
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DHD112 DTH hammer of DTH drilling tools for foudation and micro pilling.
Usage: Drill holes from 311 mm to 445mm.
Matched products: drill rods with API 5 1/2"REG BOX
bits with Ql120,MACH120,SD12 shanks
Application fields: all kinds of fields, such as mining, quarry, tunnel, bridge, construction and etc., but extremely exellent to use with casing tubes during casing drilling.
Features: high impact power with low frequency, long service life, non-return flushing, reliable performance.
Techincal Parameters
| ITERM DESCRIPTION | ||||
| NO | PART LIST | |||
| 1 | TOP SUB | B1-TH12-A6001-05 | PRODUCT NAME | DHD112 |
| 2 | STEEL PAD RING | B1-TH12-A6001-06 | PRODUCT CODE | B1-TH12-A6001 |
| 3 | O RING | 218*7.2 | BIT TYPE | D112 WITH FOOT VALVE |
| 4 | ADJUSTING PAD | B1-TH12-A6001-07 | THREAD CONNECTION | API 6 5/8 REG |
| 5 | BELLEVILLE SPRING | B1-TH12-A6001-10 | WORKING PRESSURE (BAR) | 14-24 |
| 6 | CHECK VALVE | T2-129-05501 | AIR CONSUMPTION 24BAR (M3/MIN) | 21.8 |
| 7 | SRPING | T3-104-04601 | RECONMENDED ROTATION SPEED | 30-40 |
| 8 | O RING | 165*7 | OUTSIDE DIA (MM) | 274 |
| 9 | AIR DISTRIBUTING SEAT | B1-TH12-A6001-20 | LENGTH WITH OUT BITS | 1937 |
| 10 | INNER CYLINDER | B1-TH12-A6001-32 | WEIGHT | 791 |
| 11 | CHECK RING | B1-TH12-A6001-33 | NORMAL AXIAL PRESUURE (KN) | 25 |
| 12 | PISTON | B1-TH12-A6001-42 | REC HOLE SIZE(MM) | 311-445 |
| 13 | OUTER CYLINDER | B1-TH12-A6001-40 | ||
| 14 | RUBER RING OF BEARING | B1-TH12-A6001-41 | ||
| 15 | BUSH DRIVE SUB | B1-TH12-A6001-45 | ||
| 16 | O RING | 235*9.4 | ||
| 17 | ORING | 195*5.3 | ||
| 18 | CHUCK RING | B1-TH12-A6001-50 | ||
| 19 | CHUCK SLEEVE | B1-TH12-A6001-58 | ||