LL-F Type Reverse Circulating Junk Basket

LLF type reverse circulating junk basket drillingis designed to remove all types of small junks such as bit cones, cutters and hand tools from the bottom of the wellbore.

Working principle: Begin circulation of the junk basket to wash the hole. Stop circulation and drop the steel ball. When the steel ball is dropped into the valve seat, reverse fluid circulation is activated. The fluid travels outward and downward through the inner passage of the barrel and out through the vents in the lower end. The fluid is then deflected to the center of the tool and up through the return holes in the upper end of the barrel.

Technical Specification of LL-F Type Reverse Circulating Junk Basket:

Specifications - Reverse Circulating Junk Basket
Model	OD of barrel (mm)		OD of steel ball (mm)	Connection (Box)	Hole (mm)	Product Code
LL-F86	86	51	23	NC26	92 〜98	L11-86000
LL-F89	89	57	23	NC26	95 〜102	L11-89000
LL-F92	92	57	23	NC26	95 〜102	L11-920000
LL-F101	101		23	NC26	105〜114	L11-101000
LL-F114	114	78	28	NC31	117〜127	L11-114000
LL-F123	123		28	NC31	130〜140	L11-123000
LL-F130	130	95	34	NC38	143〜152	Lil-130200
LL-F146	146	111	34	NC38	155〜165	L11-146000
LL-F159	159	121	34	NC46	168〜187	L11-159100
LL-F178	178	130	42	NC50	190〜210	L11-178000
LL-F200	200	154	42	NC50	212〜241	L11-200000
LL-F206	206	157	45	NC50	216〜241	L11-206000
LL-F232	232	179	57	NC50	244〜270	L11-232000
LL-F257	257	194	57	65/8REG	273〜295	L11-257000
LL-F279	279	211	57	6 5/8REG	298〜317	L11-279000
LL-F301	301	219	57	65/8REG	320〜346	L11-301000
LL-F330	330	249	57	65/8REG	349〜406	L11-330000
LL-F381	381	279	57	65/8REG	406〜444	L11-381000
LL-F508	508	406	57	7 5/8REG	559〜660	L11-508000
LL-F559	559	426	57	75/8REG	610〜711	L11-559000

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