Oil Well Drill Pipe Kelly Cock Valve
Kelly Valve
Product Explanation: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
Product types and specifications:
Name |
Type |
O.D. |
I.D. |
Connection |
Upper Kelly Valve |
XS197A |
197(7-3/4) |
76.2(3) |
6-5/8REG LH |
XS200-1 |
200(7-7/8) |
6-5/8REG LH |
||
XS203-1 |
203(8) |
6-5/8REG LH |
||
Lower Kelly Valve |
XS111-1 |
111(4-3/8) |
40(1-37/64) |
NC31 |
XS121-2 |
121(4-3/4) |
44.5(1-3/4) |
NC38 |
|
XS135-1 |
135(5-5/16) |
|||
XS168A |
168(6-5/8) |
71.4(2-13/16) |
NC50 |
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