Double Function Arrow-shaped Back Pressure Valve Type SJF

Categories: Downhole Tools
Model:SJF
Condition:New
FUNCTION:drilling tools
CERTIFICATE:API 7-1
Port:China port
Terms of Payment:L/C,Western Union,MoneyGram,T/T

The double function arrow-shaped back pressure valve type SJF is an integrated tool which has functions of both the arrow-shaped back pressure valve and the mud globe valve. The tool can not only prevent downhole kick from blowout, but also prevent the mud in the Kelly and hose from flowing out. Moreover, it can reduce mud loss and ensure a clean rig floor.

Specification Series and Performance Parameters

Type	O.D. mm（in.）	Upper Connection API	Lower Connection API	Max. KickPreventing Pressure MPa	Cut-off Pressure MPa	Overall Length mm （in.）
SJF89	89 (3 1/2)	NC26	NC26	50	0～3	500 (19.69)
SJF121	121 (4 3/4)	NC38	NC38	50	0～3	474 (18.66)
SJF159	159 (6 1/4)	NC50	NC50	50	0～3	561 (22.09)
SJF165	165 (6 1/2)	NC50	NC50	50	0～3	642 (25.28)
SJF178	178 (7)	5 1/2FH	NC50	50	0～3	561 (22.09)

Specification Series and Performance Parameters

Type	O.D. mm（in.）	Upper Connection API	Lower Connection API	Max. KickPreventing Pressure MPa	Cut-off Pressure MPa	Overall Length mm （in.）
SJF89	89 (3 1/2)	NC26	NC26	50	0～3	500 (19.69)
SJF121	121 (4 3/4)	NC38	NC38	50	0～3	474 (18.66)
SJF159	159 (6 1/4)	NC50	NC50	50	0～3	561 (22.09)
SJF165	165 (6 1/2)	NC50	NC50	50	0～3	642 (25.28)
SJF178	178 (7)	5 1/2FH	NC50	50	0～3	561 (22.09)

KeyWords:

Arrow-shaped Back Pressure Valve ,Back Pressure Valves ,Workover Equipment ,Oil Production Tool ,Drilling Tool ,Oil Extraction Equipment