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Model | SL90 | SL120 | SL135 |
Max. Static load lb(kN) | 202320(900) | 269760(1200) | 303480(1350) |
Max. RPM(r/min) | 300 | 300 | 300 |
Max. working pressure psi(MPa) | 3932.5(27.5) | 5005(35) | 5005(35) |
ID of stem in.(mm) | 2.36(60) | 2.13(54) | 2.24(57) |
Thread for connection with stem | 4-1/2″ FH-LH | 4-1/2″”DP thread LH | 4-1/2″ REG-LH |
Thread for connection with kelly | 6-5/8″ REG-LH | 3-1/2″ REG-LH | 6-5/8″ REG-LH |
Overall dimensions in.(mm) | -- | 74.72×24.72×28.43(1898×628×722) | 90.20×25.12×25.51(2291×638×648) |
Model | SL160 | SL225 | DSL160 |
Max. Static load lb(kN) | 359680(1600) | 505800(2250) | 359680(1600) |
Max. RPM(r/min) | 300 | 300 | 300 |
Max. working pressure psi(MPa) | 5005(35) | 5005(35) | 5005(35) |
ID of stem in.(mm) | 2.24(57) | 2.99(76) | 2.24(57) |
Thread for connection with stem | 4-1/2″ REG-LH | 6-5/8″ REG-LH | |
Thread for connection with kelly | 6-5/8″ REG-LH | 6-5/8″ REG-LH | 3-1/2″ IF-LH |
Overall dimensions in.(mm) | 85.63×30.75×25.98(2175×781×660) | 107.87×39.76×33.86(2740×1010×860) | 94.4×44.2×25.98(2397×1123×660) |










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