Float Valve

Name	Float Valve

Description	Drill pipe valve is connected on the bit, used for preventing well kick or blow. It can also used for crossover while no tools are running in. In fact, it’s a one-way valve; it can not prevent mud normal circulation, but can prevent well kick or well blow.

Specification：
DP float valve
Model	OD（mm）	Bearing Back Pressure	Connection	Connecting DC(in)
ZFF127	￠127	35Mpa 70Mpa	NC38×NC38	5”
ZFF159	￠159	35Mpa 70Mpa	NC46×NC46	6 1/4”
ZFF165	￠165	35Mpa 70Mpa	NC50×NC50	6 1/2”
ZFF178	￠178	35Mpa 70Mpa	NC50×NC50	7”
ZFF203	￠203	35Mpa 70Mpa	6 5/8REG×6 5/8REG	7”
ZFF228.6	￠228.6	35Mpa 70Mpa	7 5/8REG×7 5/8REG	9”
ZFF241	￠241	35Mpa 70Mpa	7 5/8REG×7 5/8REG	9 1/2”