Model " DX" Jar belongs to the advanced product of Surface Bumper Jar Type DJ . It can adopt
lock mechanism with higher reliability. And the jarring operation can be performed for many times and long service. Also, down-jarring can be operated continuously. The jarring force can be adjusted conveniently on drill platform. It can not only bear heavy load and strong torque but also have good sealing property and withstand the slurry circulation of high pressure produced by the pump.
|
Model |
O.D. mm(in) |
I.D. mm(in) |
Connection API |
Max. Jarring Force kN(lbf) |
Max working Load kN(lbf) |
Tensie Yield Strength kN(lbf) |
Max.Workin g Torgue kN·m(lbf·ft) |
Torsional Yield Strength kN·m(lbf·ft) |
Max. Stroke mm |
Length mm |
|
DX121 |
121 (4-3/4) |
38.1 (1-1/2) |
NC38 |
500 (112400) |
1000 (225000) |
1950 (438000) |
15 (11000) |
27 (20000) |
1600 (63) |
5482 (216) |
|
DX178 |
178 (7) |
57.2 (2-1/4) |
NC50 |
1000 (224800) |
2400 (540000) |
4650 (1050000) |
30 (22000) |
80 (59000) |
1223 (48) |
4830 (190-3/16) |
|
DX178T |
178 (7) |
57.2 (2-1/4) |
NC50 |
1000 (224800) |
3200 (719360) |
4800 (1079040) |
35 (22000) |
90 (59000) |
1223 (48) |
5705 (224-5/8) |