1)Double tube core Barrels are suitable for coring in all formation types. 2)Be manufactured from cold drawn steel tube

 Features:

     1)Suitable for use with water or mud as the flushing medium.This design is especially advantageous when working with heavy cores as it prevents overloading the bearings and thus prolongs the life of the core barrel

        2)The Inner Tube and Outer Tube are manufactured from cold drawn steel tube with a very high tensile strength and straightness

Size:

size	Hole dia.(mm)	Core(mm)	Head Thread
wLB	59.3	36.2	WLB ROD BOX
WLN	75.2	47.6	WLN ROD BOX
WLH	95.6	63.5	WLH ROD BOX
WLP	122	85	WLP ROD BOX