API drill pipe float valve sub
Product pictures of API drill pipe float valve sub
API drill pipe 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 assembly in sub is near the bit connecting thread and the float valve sub also can be necessary position of drill string.
The main application is,when connect with single piece pipe, to prevent mud coming in, mud up returning and blocking hole. When blowout takes place,blowout in drill string will be avoided because nozzle is closed automatically by valve cap for float valve assembly .
When ordering please specify:
1. Float valve type (Model F or Model G);
2. Float valve size;
3. Connection and O.D of sub.
Specifications - Float valve Sub
Specification ---Float Valve
Type |
O.D.(mm) |
Bearing Back Pressure |
Connection |
Drill Pipe (in) |
ZFF127 |
φ127 |
35MPa 70MPa |
NC38×NC38 |
5″ |
ZFF159 |
φ159 |
35MPa 70MPa |
NC46×NC46 |
6 1/4″ |
ZFF165 |
φ165 |
35MPa 70MPa |
NC50×NC50 |
6 1/2″ |
ZFF178 |
φ178 |
35MPa 70MPa |
NC50×NC50 |
7″ |
ZFF203 |
φ203 |
35MPa 70MPa |
6 5/8REG×6 5/8REG |
7″ |
ZFF228.6 |
φ228.6 |
35MPa 70MPa |
7 5/8REG×7 5/8REG |
9″ |
ZFF241 |
φ241 |
35MPa 70MPa |
7 5/8REG×7 5/8REG |
9 1/2″ |
Now we have API drill pipe float valve sub in stock, send your requests to my email: sales@chancematedrilling.com , Me- Mr Mike will be here to give you the best service 24 hours online.
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