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YSJ Type Hydraulic Up Jars
YSJ Type hydraulic up jar reach up jarring purpose by applying hydraulic principle and bigelastic energy released suddenly from elastic deformed drill tool. It will obtain better result when use with ZJS type jar extensifier.
Thechnical specifications and parameters:
Parameter\Type |
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 |
Max.work 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 |
Max.work temperature |
150 |
150 |
150 |
150 |
150 |
API connection |
NC31 |
NC38 |
NC50 |
NC50 |
6 5/8 REG |
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