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product name: SJ Type Double Way Shock Absorbers
Description:
SJ Type Double Way Shock Absorber is a kind of double-way shock absorbing tool which is used to simultaneously slow down or eliminate the vertically or horizontally shock from drill string. It can reduce the damage sue to shocking to drill bit, drilling tool and surface drilling tool so that the purpose of raising drilling speed and of reducing drilling cost shall be reached.
   Specification
Specification of Double Way Shock Absorber
 
Type
I.D.
(mm)
Waterhole
(mm)
Max Stroke(mm)
Ambient   Temperature(℃)
Max  Torque(KN.m)
Max
Drilling
Pressure
(KN)
TensileLoad
(KN)
Pull-down Overall
Length
(mm)
Connection
SJ121B
121
38
120
-40~150
10
200
1000
4490
NC38
SJ160C
160
47
120
-40~150
15
340
1500
5150
NC46
SJ178C
178
57
100
-40~150
15
400
1500
5590
NC50
SJ203B
203
64
120
-40~150
20
480
1960
5800
6 5/8 REG
SJ229B
229
71
120
-40~150
20
540
1960
5630
7 5/8 REG
 
 
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