方钻杆自动防漏阀
方钻杆自动防漏阀接在方钻杆下端，用以防止方钻杆内的钻井液溅出而污染钻台和恶化操作环境。在钻井及接单根过程中，使用方钻杆自动防漏阀可以节省钻井液。另外，本工具还具有操作简便、工作可靠，以及由于主要部位采用耐磨材料，因而耐冲刷、使用寿命长等优点。
Kelly automatic leakproof valve
Kelly automatic leakproof valve is connected to lower end of kelly so as to prevent platform and operating
environment being polluted by splashing drilling fluid.During drilling and connecting with single,using this
valve can s***e drilling fluid.Otherwise,the tool h***e easy operation and reliable cause of its abrasive
material in main part,the tool resistent to wash.The service life will be prolonged.
Kelly automatic leakproof valve is made of 1)joint body and leakproof valve unit. 2) valve disk 3)valve body 4)alloy seat 5)valve piston 6)sunk screw 7)alloy sleeve 8）valve body 9)valve barrel 10)spring 11)rubber mat 12)valve bar , figure
方钻杆自动防漏阀技术参数
Specification of Kelly Splash Valve
|
型号 Type |
外径 O.D. mm(in) |
内 径 I.D. mm(in) |
接头螺纹 Joint Thread |
|
FJF102 |
102(4 1/32) |
38(1 1/2) |
NC31 |
|
FJF146 |
146(5 3/4) |
45(1 3/4) |
NC38 |
|
FJF159 |
159(6 1/4) |
50(2) |
NC50 |
|
FJF165 |
165(6 1/2) |
50(2) |
NC50 |
|
FJF178 |
178(7) |
57(2 1/4) |
NC50 |
|
FJF184 |
184(7 1/4) |
57(2 1/4) |
NC50 |
|
FJF190 |
190(7 1/2) |
70(2 3/4) |
NC50 |
|
FJF200 |
200(7 7/8) |
70(2 3/4) |
NC50 |
|
FJF210 |
210(8 1/4) |
70(2 3/4) |
NC50 |