Design Specifications
The inside BOP is a heavy-duty drop check valve. It is used to connect quickly with drill tools when blow out is happened in drilling operation. It has the following features: high pressure resistant, seal reliable, operate easily and switch quickly.
型号 Type | 外径 O.D mm(inch) | 内径 I.D mm(inch) | 连接螺纹 CONNECTION | 总长 mm(inch) OVERALL LENGTH |
FP95 | 95(3-3/4) | 35(1-3/8) | NC26 | 660（26） |
FP111 | 111(4-3/8) | 35(1-3/8) | NC31 | 670（26 3/8） |
FP121 | 120.7(4-3/4) | 45(1-25/32) | NC38 | 685（26 31/32） |
FP159 | 159(6-1/4) | 57.2(2-1/4) | NC50 | 760（29 59/64） |
FP165 | 165(6-1/2) | 57.2(2-1/4) | NC50 | 760（29 59/64） |
FP178 | 178(7) | 57.2(2-1/4) | HT55 | 988（38 57/64） |
FP203 | 203(8) | 71.4(2-13/16) | 6-5/8REG | 988（38 57/64） |
FP241 | 241(9-1/2) | 71.4(2-13/16) | 7-5/8REG | 988（38 57/64） |
In China
