Welcome to our websites!

Double Function Arrow-shaped Back Pressure Valve Type SJF

Short Description:

Double Function Arrow-shaped Back Pressure Valve Type SJF Model “SJF” Double Function Arrow-shaped Back Pressure Valve is a integrated tool which has functions of both the arrow-shaped back pressure valve and the mud globe valve. When used, the tool can not only prevent down-hole kick from blowout, but also prevent the mud in the Kelly and hose from flowing out, thus reducing mud loss and ensuring a clean of rig floor. Specifications  Model  O.D. mm(in)  Connection thread of upper end ...


Product Detail

Product Tags

Double Function Arrow-shaped Back Pressure Valve Type SJF

Model “SJF” Double Function Arrow-shaped Back Pressure Valve is a integrated tool which has functions of both the arrow-shaped back pressure valve and the mud globe valve. When used, the tool can not only prevent down-hole kick from blowout, but also prevent the mud in the Kelly and hose from flowing out, thus reducing mud loss and ensuring a clean of rig floor.

Specifications

 Model  O.D. mm(in)  Connection thread of upper end

 

 Connection thread of lower end

 

 Max. Kick preventing Pressure

MPa

 Check pressure MPa  Length mm(in)
SJF89 89(3 1/2) NC26 NC26 50 0~3 500(19 5/8)
SJF121 121(4 3/4) NC38 NC38 50 0~3 474(18 5/8)
SJF159 159(6 1/4) NC50 NC50 50 0~3 561(22)
SJF165 165(6 1/2) NC50 NC50 50 0~3 642(25 3/4)
SJF178 178(7) 51/2FH NC50 50 0~3 561(22)

  • Previous:
  • Next:

  • Write your message here and send it to us