Float Valve&Float Valve Sub
Prevent valve flap type

Float valve joint

Arrow float valve type
The Float Valve is normally installed in a standard bore-back of the bit sub, to provide fluid flow control at the bottom of the drill stem. It also prevents backflow of cuttings from plugging the drill bit jets while making connections. Plunger Type and Flapper type valve are available.
The Float Valve Sub is a bit sub equipped with a float valve. Based on the connections appointed by user, supplier put a float valve into the inner bore of the sub in accordance with API standard.
When ordering, please specify:
1. Drill collar or drill pipe OD
2. Drill collar or drill pipe connection size and type 
3. Model of Valve Assemble.
4. Bore
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