TH5-DHD350(5inch) DTH hammer for mining and well drilling
Application Range
It is widely applied to all kinds of rock drilling and excellent for casing systems and water well projects.
Design Principles
To pursuit smooth operation and reliability.
Outstanding Advantages
The simple structure ensures the easy operation and maintenance. The good seal effect eliminates the problem caused by water and flushing entering into the inner cylinder of hammer. They also have the features of large
1.Structure and Technical Parameters
3.Photos
ITERM DESCRIPTION | ||||
NO | PART LIST | |||
1 | TOP SUB | B1-SK05H-A10003-05 | PRODUCT NAME | DHD350 |
2 | TOP SUB RING | 90*3.55*3 | PRODUCT CODE | 05SH00 |
3 | CHECK VALVE | B1-SK05H-A10001-90 | BIT TYPE | D350WITH FOOT VALVE |
4 | SRPING | 110*26*3 | THREAD CONNECTION | API 2 3/8 REG |
5 | PRESSURE BEARING WAHSER | 103.5*83.5*22.5 | WORKING PRESSURE (BAR) | 12-24 |
6 | RUBER RING | 240030-C | AIR CONSUMPTION 24BAR (M3/MIN) | 19 |
7 | AIR DISTRIBUTING SEAT | 05SK20-C | RECONMENDED ROTATION SPEED | 30-50 |
8 | PISTON | 05SH50-L | OUTSIDE DIA (MM) | 126 |
9 | INNER CYLINDER | 05SH30-F | LENGTH WITH OUT BITS | 987 |
10 | OUTER CYLINDER | 05SH40-N | WEIGHT | 70 |
11 | BUSH DRIVE SUB | B1-TH05H-A1001-45 | NORMAL AXIAL PRESUURE (KN) | 9.2 |
12 | BIT RETAINER RING | B1-SK05H-A1001-50 | REC HOLE SIZE(MM) | 138-165 |
13 | O RING | 80*3.55 | FLAT WENCH(MM) | 74.5 |
14 | CHUCK SLEEVE | B1-SK05H-A1002-58 |