Lubricated Fishing Bumper Subs

Lubricated Fishing Bumper Subs
Lubricated Fishing Bumper Subs
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The BXJ type lubricated fishing bumper sub is a mechanical down jarring tool featuring moving parts that are housed a lubricated and sealed chamber to enjoy a long service life. The bumper sub is suitable for use in deep hole and intermediately deep hole oil extraction projects.

Specifications
Parameter/ Type BXJ70B BXJ62B
OD(mm) 178 159
ID(mm) 70 57
Closed length(mm) 2950 2730
stroke(mm) 465 460
thread conn. NC50 NC50
Max. Tensile Load(T) 153 143
sealing pressure(MPa) 20 20

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