api oil float valve and float valve sub

float valve and float valve sub:
1.It conforms to API Standard.
2.It prevents backflow of cuttings from plugging th

float valve and float valve sub:
1.It conforms to API Standard.
2.It prevents backflow of cuttings from plugging the drill bit

float valve and float valve sub

1. It conforms to API Standard.
2. It also prevents backflow of cuttings from plugging the drill bit jets while making connections.

The float valve sub is a bit sub equipped with a float valve. Based on the connections appointed by used, supplier put a float valve into the inner bore of the sub in accordance with API Standard.

 

 

Type	OD (mm/inch)	ID (mm/inch)	Length (mm/inch)	Thread API	Float valve size
FVJ121D	121(4-3/4)	50.8(2)	915(36)	3-1/2″REG B× NC38B	2F-3R
FVJ165D	165(6-1/2)	71.4(2-13/16)	915(36)	4-1/2″REG B× NC50B	4R
FVJ203D	203.2(8)	71.4(2-13/16)	915(36)	6-5/8″REG B× 6-5/8″REGB	5F-4R
FVJ229D	228.6(9)	76.2(3)	915(36)	7-5/8″REG B×7-5/8″REGB	5F-4R