The Limitorque QXM Series B (QXMb) multi-turn electric actuator from Flowserve offers superior reliability and precision while reducing ownership costs across various demanding applications. The QXMb builds upon the QXb platform, delivering precise multi-turn output that can be combined with a linear base (LB) for linear output, making it ideal for control valve applications.
| Industries | Power: Conventional Steam, Combined Cycle, Concentrated Solar Power (CSP), Biomass & MSW, Chemicals: Biofuels, Water: Water Management, Wastewater, Oil & Gas: Upstream Exploration & Production, Midstream Transportation, Downstream Processing, General Industries: Mining, Other Industries |
| Thrust Range | 3 to 40 kN (593 to 9065 lbf) |
| Enclosure Rating | IP68 (double-sealed, preventing dust and water ingress), NEMA 4X |
| Options | Additional conduits, linear base for linear control valves, Bluetooth diagnostics, enhanced safety features |
| Ratings, Approvals, and Testing | AWWA C542: Electric Motor Actuators for Valves, ASTM B117: Standard Practice for Salt Spray Tests, UL1709: Fire-Resistance Standard, FM, FM Canada, ATEX and IECEx, IP68, CCC |
| Motor | Brushless DC Motor (H or L) |
| Controls Options | LED Display with Advanced diagnostics with real-time display and torque logs |
| Output Speed Range | 3 to 24 RPM |
| Network Communications | Modbus, Foundation Fieldbus H1, DeviceNet, Profibus, HART |
| Torque Range | 135 to 2031 Nm (100 to 1500 ft-lb) |
| Design Temperature | -30°C to 70°C |
| Mounting | ISO 5210 F05 to F14, MSS SP-102 FA05 to FA14 |
| Type | Smart Non-Intrusive Multi-Turn Electric Actuators |
| Configurations | QXb: quarter-turn, non-intrusive electric valve actuator, QX: non-intrusive multi-turn electric actuator, QXM: limited multi-turn, non-intrusive electronic valve actuator |
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