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API Kelly Valve Plug Drill Pipe Safety Valve

  • API Kelly Valve Plug Drill Pipe Safety Valve
  • API Kelly Valve Plug Drill Pipe Safety Valve
  • API Kelly Valve Plug Drill Pipe Safety Valve
  • API Kelly Valve Plug Drill Pipe Safety Valve

API Kelly Valve Plug Drill Pipe Safety Valve

    Min. Order: 1 Piece/Pieces
    Packaging: wooden case
    Brand: Youlong
    Transportation: Ocean,Land,Air
    Place of Origin: China
    Supply Ability: 1000PCS
    Port:  China Sea-port,Railway station,Airport

Product Description

API Kelly Valve Plug Drill Pipe Safety Valve

Kelly valve also named Kelly cock or drill pipe safety valve. It is a hand Control Valve in drill string circulating system and it is one of the effective tools to prevent blowout. Kelly valve is divided into Upper Kelly Valve and Lower Kelly Valve. Upper Kelly Valve is connected between swivel sub and Kelly. Lower Kelly valve is connected between lower end of Kelly and top of drill pipe or lower end of Kelly save sub. Rotating the wrench of full opening safety valve 90° to realize on and off. In the drilling operation, in order to avoid malignant accidents, Kelly valves should be connected to both end of Kelly to prevent loss of drilling flid and blowout.

Kelly cock valve, which is a manually operated ball valve run in I.D of drill string, is one of effective tool for preventation from blowout.

The kelly cock is divided into upper kelly cock valve 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 drill pipe and lower end of kelly or connected between lower end of kelly saver subs.

Kelly Cock PngKelly Valve PngDrill Pipe Safety Valve 2 JpgDrill Pipe Safety Valve 3 Jpg
The kelly cock features a simple operation,the kelly cock can be opened on or closed off by only turning the special operationg spanner at 90 degrees according to indicating direction. During drilling operation the kelly cock shall be connected at upper end and lower end of kelly.


Characteristics and features

The valve is composed of upper and lower joint bodies, upper and lower valve seats, spheres, rotary switches, sealing rings, springs and compression caps.
It can be opened and closed by rotating the corresponding marks on and off at the hexagon of the outer surface.


The position of rotary switch shall be reserved, which can not be used as throttling. When in use, one end of external thread must face down.

Specifications and parameters

A:2-3/8TBG 、2-3/8UPTBG 2-7/8TBG 、2-7/8UPTBG 3-1/2TBG 、3-1/2UPTBG

B:As Per Customers'

We can also supply Oilfield equipments:such as Cementing and Fracturing Equipment,Wellhead & Well Control Equipment,Gate Valve and wellhead Christmas Tree,Plunger Pumps and Mud Pumps, Flow line Products, Solid Control Equipment, Drilling Rigs and Work over Rigs Matching Equipment etc.

If you are interested in our Company or products, Please feel free to contact us!


Henan Youlong Petroleum Engineering Technology Co.,Ltd

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Henan Youlong petroleum Engineering Technology Co.,Ltd., Located in the beautiful petroleum city - Puyang City in the zhongyuan oil filed located, is a production research and development enterprise with product research and development organizations and perfect service teams, mainly engaged in the management, research and development of petroleum drilling and well repair equipment, special oilfield equipment, oil extraction equipment, wellhead and down hole tools, and the provision of petroleum engineering design schemes and petroleum engineering technical services.

And also our Leading groups mainly engaged in oil and gas industry nearly more than 40 years.

Our main products and Service are as following:

* Oilfield equipment production and supply : Cementing and Fracturing Equipment, Gate Valve and wellhead Christmas Tree, Plunger Pumps and Mud Pumps, Flow line Products, Solid Control Equipment, Drilling Rigs and Work over Rigs Matching Equipment etc.

* Engineering & workers supply to oilfield site.

* With Professional Teams experienced in the maintenance of drilling machinery,TDS,SCR equipment, we can undertake pumping unit oil well on-site management services.Long-term supply accessories of drilling rigs,work over rigs,mud pump and beam pumping unit, and distribute drill pipe, drill collar, casing, tubing, special drill pipe sub etc...


If you are interested in our Company or products, Please feel free contact us!


Thank you for stopping here!

Introduction Pic

Company Info

  • Company Name: Henan Youlong Petroleum Engineering Technology Co.,Ltd
  • Representative: Tian Zongfeng
  • Product/Service: Cementing and Fracturing Equipment , Gate Valve and wellhead Christmas Tree , Plunger Pumps and Mud Pumps , Flowline Products , Solid Control Equipment , Drilling Rigs and Workover Rigs Matching Equipment
  • Capital (Million US $): 6000000RMB
  • Year Established: 2019
  • Total Annual Sales Volume (Million US $): US$5 Million - US$10 Million
  • Export Percentage: 61% - 70%
  • Total Annual Purchase Volume (Million US $): US$5 Million - US$10 Million
  • No. of Production Lines: 200
  • No. of R&D Staff: 11 -20 People
  • No. of QC Staff: 5 -10 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 10,000-30,000 square meters
  • Factory Location: No. 41, Zhongyuan West Road,Puyang,Henan,China
  • Contact Person: Mr. Jason
  • Tel: +86-393-8417400
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