3.1/2''
24/7
1year
Casting
Oxidation
20-50MP
Alloy
Standard
API 6A Kelly Valve / Kelly Cock / Drill Pipe Safet
5000psi-15000psi
2-3/8"~6-5/8"
GOLDENMAN
Export Packing
3.1/2"-8"
8431
Product Description
API 6A Kelly valve / kelly cock / Drill Pipe Safety Valve


Kelly Valve also named Kelly Cock/Drill Pipe 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 control blowout pressures, or as a lower Kelly Valve to prevent loss of drilling fluid when the Kelly is disconnected. It has a pressure rating of 5,000psi or 10,000psi or 15,000psi.
Upper or Lower type;Tool OD;Working Pressure: 5,000 / 10,000 / 15,000 PSI;Tool connection.
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Specifications - Upper Kelly Valve
Model | O.D. (mm) | Thread Connection (LH) | I.D. (mm) | Max.Sealing Pressure (Mpa) |
CS 146 | 146 | 4 1/2 REG | 50 | 68.6 |
CS 200 | 200 | 6 5/8 REG | 76.2 | 68.6 |
Specifications - Lower Kelly Valve
Model | O.D. (mm) | Thread Connection | I.D. (mm) | Max.Sealing Pressure (Mpa) |
XS105 | 105 | NC31 | 41.3 | 68.6 |
XS121 | 121 | NC38 | 50 | 68.6 |
XS127 | 127 | NC38 | 50 | 68.6 |
XS165 | 165 | NC46 | 61 | 68.6 |
XS178 | 178 | NC50,5 1/2FH | 71.4 | 68.6 |


