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Shaanxi Gaoton Petroleum Machinery Co.,Ltd

Tel:0086-29-87872212

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Email:sales@sxgtpm.com

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Kelly Valve (Kelly Cock Valve, Upper Kelly Valve, Lower Kelly Valve)

Kelly Valve (Kelly Cock Valve, Upper Kelly Valve, Lower Kelly Valve)

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...

Detailed description

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.

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