YSJ type hydraulic up jar is used to be free from drilling sticking, through hydraulic principle, by means of elastic potential produced from drill tool elastic deformation. Once the elastic potential energy is released, it would produce a large up striking load to reach a purpose of fishing and coring. It features easy structures, strong jarring force, easy to return, convenient operation. If it is used with ZJS type jar intensifier, it may gain better jarring effect.
Specifications - YSJ Type Z Hydraulic Jar
Parameters/Model |
YSJ114B |
YSJ121B |
YSJ159B |
YSJ178B |
|
O.D. (mm) |
114 |
121 |
159 |
178 |
|
I.D. (mm) |
38 |
38 |
57 |
60 |
|
Work stroke (mm) |
289 |
290 |
380 |
380 |
|
Max.work torque (kN.m) |
4.9 |
7.8 |
15 |
19.6 |
|
Max.jarring lifting tons (tf) |
200 |
300 |
710 |
750 |
|
Sealing pressure (MPa) |
20 |
20 |
20 |
20 |
|
Max.work temperature (℃) |
150 |
150 |
150 |
150 |
|
Connection |
NC31 |
NC38 |
NC50 |
NC50 |
|
Weight (kg) |
130 |
200 |
350 |
420 |