SJF型双功能箭形回压阀
它是一种具有箭形回压阀和泥浆截止阀两种功能的工具。
Category:
详细介绍
它是一种具有箭形回压阀和泥浆截止阀两种功能的工具。它既能防止井下溢流从钻具内喷出,又能防止方钻杆和水龙带里的泥浆流出,减少泥浆的损失和保持钻台的清洁。
Model “SJF” Double Function Arrow-shaped Back Pressure Valve is a integrated tool which has functions of both the arrow-shaped back pressure valve and the mud globe valve. When used, the tool can not only prevent down-hole kick from blowout, but also prevent the mud in the Kelly and hose from flowing out, thus reducing mud loss and ensuring a clean of rig floor.
Specifications
|
型号 Model |
外径 O.D. mm(in) |
上端接头螺纹 Connection thread of upper end API |
下端接头螺纹 Connection thread of lower end API |
防溢压力 Max. Kick preventing Pressure MPa |
截止压力 Check pressure MPa |
总长 Overall length mm(in) |
|
SJF89 |
89(3 1/2) |
NC26 |
NC26 |
50 |
0 ~ 3 |
500(19 5/8) |
|
SJF121 |
121(4 3/4) |
NC38 |
NC38 |
50 |
0~3 |
474(18 5/8) |
|
SJF159 |
159(6 1/4) |
NC50 |
NC50 |
50 |
0~3 |
561(22) |
|
SJF165 |
165(6 1/2) |
NC50 |
NC50 |
50 |
0~3 |
642(25 3/4) |
|
SJF178 |
178(7) |
51/2FH |
NC50 |
50 |
0~3 |
561(22) |
关键词:
高峰石油机械设备、油气钻采井下工具
Previous
Next
Previous
Next
联系我们
相关产品