Float Valve Sub

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Product Description

Product Parameters

Float Valve Sub is an important tool in petroleum exploration and drilling engineering. The float valve sub is connected at upper part of drill bit. The float valve sub is near the bit connecting thread. Thefloat valve sub can also be used at different necessary position of drill string when required. The main application is, when connected with single piece pipe, it prevents mud from coming in and up blocking the hole. When blowout takes place, blowout in drill string will be avoided because nozzle is closed automatically by valve cap of the float valve assembly .

When ordering please specify:

Float valve type (Model F or Model G);

Float valve size;

Connection and O.D of sub.

Specifications - Float Valve Sub

Model	Product Code ( with arrow type float valve)	Product Code ( with plate type float valve)	Sub O.D. (mm)	Joint Connection	Valve O.D.(mm)	I.D.(mm)
FFJT241	J0917110	J1017110	Φ241.3	7 5/8 REG B×B	Φ121（5F6R）	Φ76.2
FFJT228	J0916140	J1016140	Φ228.6	7 5/8 REG B×B	Φ121（5F6R）	Φ76.2
FFJT209	J0915040	J1015040	Φ209.6	6 5/8 REG B×B	Φ121（5F6R）	Φ71.4
FFJT203	J0914110	J1014110	Φ203.2	6 5/8 REG B×B	Φ121（5F6R）	Φ71.4
FFJT178	J0912090	J1012090	Φ177.8	4 1/2 REG B×NC50 B	Φ88（4R）	Φ71.4
FFJT165	J0909240	J1009240	Φ165.1	4 1/2 REG B×NC50 B	Φ88（4R）	Φ71.4
FFJT159	J0908070	J1008070	Φ158.8	4 1/2 REG B×NC50 B	Φ88（4R）	Φ71.4
FFJT127	J0907130	J1007130	Φ127	3 1/2 REG B×NC38 B	Φ61（2F3R）	Φ50.8
FFJT105	J0904060	J1004060	Φ104.8	2 7/8 REG B×NC31 B	Φ48（1F2R）	Φ38.1