YSJ Type Hydraulic Drilling Jar
YSJ Type hydraulic up jar reach up jarring purpose by applying hydraulic principle and big elastic energy released suddenly from elastic deformed drill tool. It will obtain better result when used with ZJS type jar intensifier.
Technical specifications and parameters
ParameterType |
YSJ114B |
YSJ121B |
YSJ159B |
YSJ178B |
YSJ203B |
O.D.(mm) |
114 |
121 |
159 |
178 |
203 |
I.D.(mm) |
38 |
38 |
57 |
57 |
70 |
Work stroke(mm) |
289 |
290 |
380 |
380 |
390 |
torque(kN.m) |
4.9 |
7.8 |
15 |
19.6 |
23.5 |
Max.jarring lifting tons(tf) |
200 |
300 |
710 |
750 |
800 |
Sealing pressure(MPa) |
20 |
20 |
20 |
20 |
20 |
temperature |
150 |
150 |
150 |
150 |
150 |
API connection |
NC31 |
NC38 |
NC50 |
NC50 |
6 5/8 REG |
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