Safety Joint Type AJ
Model “AJ” Safety Joint, is an essential safety tool for connecting the pipes string in the well. It can adopt the wider buttress threads for connecting, which has two kinds of thread (right-hand & left-hand), And it is used for drilling, fishing, washing, workove and test operation, with the advantages of simple structure and convenient operation. So, it is a indispensable tool for hole operation.
Specifications
| Model | O.D.mm(in) | I.D.mm(in) | Connection | Max.working LoadkN(lbf) | Max.Working TorquekN∙m(lbf∙ft) |
| AJ95 | 95(3-3/4) | 32(1-1/4) | NC26 | 1 370(308200) | 10.15(7480) |
| AJ105 | 105(4-1/8) | 54(2-1/8) | NC31 | 1 340(301000) | 12.7(9364) |
| AJ108 | 108((4-1/4) | 54(2-1/8) | NC31 | 1400(314000) | 13(9585) |
| AJ121 | 121(4-3/4) | 57(2-1/4) | NC38 | 1 515(340000) | 17.65(13013) |
| AJ127 | 127 (5) | 57(2-1/4) | NC38 | 1 550(348000) | 17.8(13124) |
| AJ159 | 159 (6-1/4) | 80(3-1/8) | NC50 | 3 110(699000) | 38.9(28681) |
| AJ165 | 165(6-1/2) | 83(3-1/4) | NC50 | 3 360(755000) | 48.9(3654) |
| AJ178 | 178(7) | 92(3-5/8) | 51/2FH | 3 385(761000) | 57.0(42026) |
| AJ197 | 197(7-3/4) | 89(3-1/2) | 65/8REG | 3 650(820000) | 82.75(61012) |
| AJ203 | 203 (8) | 89(3-1/2) | 65/8REG | 3 700(831000) | 83.5(61565) |