Kelly Valves Downhole Tools Cross Over Subs
Specifications
1. API standard.2. ISO certificate.
3. Register with Sinopec.
4. Technical service.
5. Professional service for export.
Description
Kelly Valve is also named kelly Cock/Drill piple Safety Valve allowing free passage of drilling fluid without pressure loss. The valve can be used as a dill pipe safety valve or upper Kelly valve to prevent loss of drilling fluid when the Kelly is disconnected. It has a pressure rating of 5,000psi, 10,000pasi or 15,000psi.
Specification
O.D |
I.D |
Upper Box |
Bottom Pin |
Overall length |
8(203) |
2 (74) |
6 REG-left(LH) |
6 REG-left(LH) |
22 (566.3) |
7 (196.8) |
3 (78) |
6 REG-left(LH) |
6 REG-left(LH) |
24 (627) |
7(178) |
3 (78) |
6 REG-left(LH) |
6 REG-left(LH) |
24 (627) |
7 (184) |
2 (71) |
5 FH |
5 FH |
24 (627) |
7(178) |
2 (66) |
NC 50 |
NC 50 |
20 (532) |
6 (168) |
2 (71.4) |
NC 50 |
NC 50 |
22 (566.3) |
5 (135) |
1 (44.5) |
NC 38 |
NC 38 |
18 (470) |
4 (121) |
1 (44.5) |
NC 38 |
NC 38 |
17 (448) |
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