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Good User Reputation for Mechanical External Cutter - Double Function Arrow-shaped Back Pressure Valve Type SJF – Gaofeng Detail:
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) |
Product detail pictures:
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While in the past few years, our organization absorbed and digested innovative technologies both equally at home and abroad. Meanwhile, our organization staffs a group of experts devoted for the advancement of Good User Reputation for Mechanical External Cutter - Double Function Arrow-shaped Back Pressure Valve Type SJF – Gaofeng , The product will supply to all over the world, such as: Georgia, Vancouver, Switzerland, Our company insists on the purpose of "takes service priority for standard, quality guarantee for the brand, do business in good faith, to offer skilled, rapid, accurate and timely service for you". We welcome old and new customers to negotiate with us. We are going to serve you with all sincerity!