Ecvv Trade
the pre-existence of Tianhe Petroleum Machinery Joint-Stock Co., Ltd

China Manufacturer with main products: Drilling Tool, Fishing Tools, Such as Stabilzer, Bucking Unit, Drill Collar, Heavy Weight Drill Pipe, Casing Scraper

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Kelly Cock


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Specifications

The kelly cock ,which is a manually operated ball valve connected in the bore of drill string ,is one of effective tool for preventation from blowout . The kelly cock is divided into upper kelly cock and lower kelly cock . The upper kelly cock is connected between lower end of swivel and upper end of kelly . The lower kelly cock is connected between upper end of drillpipe and lower end of kelly or connected between lower end of kelly saver subs. The kelly cock valve features a simple operation, the kelly cock can be opened on or closed off by only turning the special operating spanner at 90 degrees according to indicating direction. During drilling operation, in order to avoid serious well kick or blowout accident, the kelly cock shall be connected at upper end and lower end of kelly.
              
 
                 . Upper Kelly Cock
Type 
OD.
mm
Thread
API
I.D.
mm
Max. rated working pressure (psi)
CS146
146
41/2REG LH
57
68.6
 
CS200
200
65/8 REG LH
75
68.6
  
                       Lower Kelly Cock
Type
O.D
mm
Thread
API
I.D.
mm
Max.Sealing Pressure
Mpa
XS105
105
NC31
40
68.6
XS121
121
NC38
51
68.6
XS127
127
NC38
57
68.6
XS178
178
NC50
70
68.6

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

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  • Product Quality Commitment

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  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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