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KXJ type bumper jar is a mechanical jarring tool . It can make jar repeatedly the stuck drill stem to free from stuck point. When stuck drill stem can not be released by lifting and jarring, the bumper jar can be rotated to make releasable fishing tool to release fish. When used with mechanical internal cutter, it can provide an expected feeding force to the internal cutter so as to cutting steadily. When used with reversing unit , it can compensate the rising stroke for threads after reversing.
|
TYPE Parameter |
KXJ44B KXJ114B |
KXJ46B KXJ121B |
KXJ56B KXJ146B |
KXJ62B KXJ160B |
KXJ70B KXJ178B |
KXJ76B KXJ197B |
KXJ80B KXJ203B |
|
O.D.(mm) |
114 |
121 |
146 |
160 |
178 |
197 |
203 |
|
I.D. (mm) |
38 |
38 |
51 |
51 |
70 |
70 |
70 |
|
Sealing pressure (Mpa) |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
|
Max. tension (tf) |
112 |
122 |
132 |
143 |
153 |
163 |
180 |
|
torque(kN.m) |
7 |
8 |
10 |
13 |
15 |
20 |
20 |
|
Workstroke(mm) |
1000 |
1000 |
1200 |
1400 |
1400 |
1500 |
1500 |
|
Thread code |
NC31 |
NC38 |
NC40 |
NC50 |
NC50 |
6 5/8REG |
6 5/8REG |
|
Closed length (mm) |
2100 |
2110 |
2350 |
2604 |
2650 |
2730 |
2730 |
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