Date: 2011-08-09 Hits: 3602
Bypass Valve of Drill Tool 
Specifications:
|
Type |
0.D |
Bearing Back Pressure |
Thread |
Drill Pipe (in) |
|
ZFF127 |
Φ127 |
35 MPa、70 APa |
NC38XNC38 |
5” |
|
ZFF159 |
Φ159 |
35 MPa、70 APa |
NC46XNC46 |
61/4” |
|
ZFF165 |
Φ165 |
35 MPa、70 APa |
NC50XNC50 |
61/2” |
|
ZFF178 |
Φ178 |
35 MPa、70 APa |
NC50XNC50 |
7” |
|
ZFF203 |
Φ203 |
35 MPa、70 APa |
65/8REGX65/8REG |
8” |
|
ZFF228.6 |
Φ228.6 |
35 MPa、70 APa |
75/8REGX75/8REG |
9” |
|
ZFF241 |
Φ241 |
35 MPa、70 APa |
75/8REGX75/8REG |
91/2” |
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