Overflow valve
Overflow valve is used to fill and dump the drill string during drilling tol round-trips.
Specifications and product range
|
|
КП75 |
КП95 |
КП106 |
КП120 |
КП165 |
КП172 |
КП240 |
|
Max OD, mm |
78 |
106 |
106 |
121 |
168 |
176 |
203 |
|
Total length, mm |
461 |
676 |
614 |
477 |
767 |
567 |
587 |
|
Body length, mm |
385 |
600 |
525 |
375 |
653 |
440 |
460 |
|
Pin |
З-65 |
З-86 |
З-86 |
З-102 |
З-133 |
З-147 |
З-171 |
|
Box |
З-65 |
З-73 |
З-86 |
З-102 |
З-133 |
З-147 |
З-171 |
|
Min thru bore, mm |
15 |
28 |
28 |
28 |
50 |
50 |
55 |
|
Mud flow-rate, l/sec |
3…5 |
5…10 |
5…12 |
10…20 |
14…29 |
25…37 |
30…75 |
|
Mud sand content %, max |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
|
Bypass opening pressure differentiation, kgf/cm2 |
2,1±0,2 |
2,1±0,2 |
2,1±0,2 |
2,1±0,2 |
2,1±0,2 |
2,1±0,2 |
2,1±0,2 |
|
Weight, kg |
11 |
25 |
26 |
28 |
76 |
76 |
81 |
