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 use with ZJS type jar extensifier.
Specification of Hydraulic Up Jar
|
Type
|
YSJ114B
|
YSJ121B
|
YSJ159B
|
YSJ178B
|
YSJ203B
|
|
O.D.(mm)
|
114
|
121
|
159
|
178
|
203
|
|
Waterhole(mm)
|
38
|
38
|
57
|
57
|
70
|
|
Max 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
|
|
Connection
|
NC31
|
NC38
|
NC50
|
NC50
|
6 5/8 REG
|