Products

Shock Sub (SJ Type)

China Shock Sub (SJ Type), Find details about China Double

Model NO.
SJ Type
HS Code
8431431
Model NO.
SJ Type
HS Code
8431431
The SJ type double way bumper 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 due 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.
Type O. D.
(mm)		 I. D.
(mm)		 Max. stroke
(mm)
Ambient
temperature		 Max.
torque
(KN. m)		 Max. bit
weight
(KN)		 Tensile load
(KN)		 Pull-down
overallength
(mm)		 Thread
conn.
SJ121B 121 38 120 -40~150 10 200 1000 5300 3   1/2" REG
SJ160B 160 45 120 -40~150 15 340 1500 5252 NC46
SJ178B 178 57 120 -40~150 15 400 1500 5350 NC50
SJ203B 203 64 120 -40~150 20 480 1960 5853 6   5/8" REG
SJ229B 229 71 120 -40~150 20 540 1960 5900 7  5/8" REG

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