10.Ball Check Valve

Ball Check Valve

Ball check valve is a wellhead inside blowout tool, in order to realize safety control in drilling operation.It can effectively solve the overflow, kick occur in trip process. Put it into the well with drill stem and control the mud back flow pressure automatically.

Description
Inquiry

Specification

Model	OD mm(inch)	lDmm(inch)	Conn.	Working Pressure (MPa)
FQ165	165(6 1/2)	71(2 13/16)	NC50	35,70
FQ127	127(5)	57.2(2 1/4)	NC38
FQ120	120.7(4 3/4)	57.2(2 1/4)	NC38
FQ105	104.8(4 1/8)	50.8(2)	NC31

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