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Hydraulic Jar


Product Number: KW-DST-11 Hydraulic Jar is also called Big John Jar, is included as part of a tool string to help remove stuck tools


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KINGWELL Hydraulic Jar Features & Benefits:
 
Hydraulic Jar is also called Big John Jar, is included as part of a tool string to help remove stuck tools.
The jar helps free a stuck tool or tool string by resisting a pull on the work string. When the work string is stretched by the pull, tension in the jar is released and an upward impact is delivered to the stuck tool.
 
KINGWELL Hydraulic Jar Technical Data:
 
Specifications 3 7/8″ 5″
Outside Diameter 99 127.5
Drift Diameter 38 57
Total Length 1574 1708
Amount of Stretching 255 255
Pulling Power 177.9KN 222.2KN
Working Pressure 70MPa 70MPa
Working Temperature 29℃~177℃ 29℃~177℃
Resistance to Tension 1197 1406
Internal Pressure Strength 135MPa 118MPa
Outer Pressure Resistance 159MPa 77MPa
Torque Strength 32KN.m 22KN.m
Binding Screw Thread 2 7/8″ CAS&2 7/8″EU 3 7/8″ CAS& 3 1/2″IF

KINGWELL Hydraulic Jar Drawing:






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