Original
By certification 
Kelly Valve Type: upper Kelly valve and lower Kelly valve
Kelly Valve is also called Kelly Cock Valve, which is a manual control valve in drilling string cycle system. It is one of the effective tools for preventing blowout.Upper kelly cock is located at the position between lower end of swivel and the top of kelly stem.Lower kelly cock is located at the position between lower end of kelly stem and drilling rod or kelly stem saver sub.With special spanner according to instruction and requirement to roll operational key 90 degree, so that can achieve to open and close. In order to avoid blowout, it should be assembled kelly cock valve on two ends of kelly stem.
When ordering please specify:
●Upper or Lower type;
●Tool OD;
●Working Pressure: 5,000 / 10,000 / 15,000 PSI;
●Tool connection.
Technical Parameter -- Upper Kelly Valve
Model |
O.D.(mm) |
Thread connection |
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 |
Technical Parameter -- 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 |
If you have any further requirements, please feel free to contact us by sales@sxgtpm.com
Within those famous China oil and gas kelly valve manufacturers, GAOTON is a professional such supplier, producer and provider, welcome to wholesale petroleum and oilfield API kelly valve from our factory.
