Specifications
float valve sub:1.It conforms to API Standard.
2.It also prevents backflow of cuttings from plugging the drill bit jets.
float valve sub
- It conforms to API Standard.
- 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 | ID | Length | Thread | 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 |
