L120

L120

The Flowserve Limitorque L120 electric actuator is engineered to perform reliably in diverse environmental conditions, making it ideal for use in power generation, oil and gas, and water management industries.

Brand: Limitorque
Category: Multi-Turn
Industries <ul><li><strong>Power:</strong> Conventional Steam, Combined Cycle, Concentrated Solar Power (CSP), Geothermal</li><li><strong>Chemicals:</strong> Petrochemicals</li></ul>
Thrust Range 4,500 to 225,000 kN (10,000 to 500,000 lbf)
Options Handwheel/declutchable, gear reduction, various control and network protocol options, analog feedback for DDC, Spring Compensation (L120S), Two-speed operation
Motor 3-phase, squirrel-cage induction motors, class F insulation, thermal protection
Housing Material <ul><li>Die-cast aluminum (L120-10 through –40)</li><li>Cast Iron (L120-85 through –2000)</li></ul>
Controls Options BIC, IRC, Modutronic 20, UEX electronic controls, network protocols including Modbus, Profibus, DeviceNet, Foundation Fieldbus
Output Speed Range 12-250 RPM (60 Hz), 10-210 RPM (50 Hz)
Torque Range 136 to 27,200 Nm (100 to 20,000 ft-lb)
Design Temperature -29°C to 66°C
Mounting Supplied to MSS (English taps) standard. Optional ISO bases available
Sizes L120-10 through L120-2000
Type Intrusive Multi-Turn Electric Actuators
Configurations <ul><li><strong>NCU:</strong> No Controls Unit</li><li><strong>BIC Control Package:</strong> Basic Integral Controls</li><li><strong>UEX Electronic Controls:</strong> Electronic Controls Package</li></ul>
Enclosure Ratings Weatherproof, submersible, and explosion-proof options (NEMA 3, 4, 4X, 6, IP68, FM Class I, Groups B, C, D, Division 1 & 2)
Ratings, Approvals, and Testing <ul><li>FM and CSA Certifications</li><li>NTS Labs, Acton, MA, Test Report #31437-94M dated 3/28/94 for Seismic and Vibration Criteria compliant with MILSTD-167, IEEE-344, and IEC 68-2-6</li><li>Nema 6 and IP68</li><li>AWWA</li><li>ISO 9001 certified</li></ul>

Electro-mechanical design

Proven safety with explosion-proof certification, torque overload protection, plus resistance to lightning, EMI, fire, vibration and high-pressure steam

Longer service life from aluminum and ductile iron housings, plus anti-friction bearing-supported alloy steel worm shafts with bronze worm gears

Broad application flexibility via integration with most network protocols through UEX electronic controls package

Extreme environment performance available from weatherproof, submersible and explosion-proof construction options

100% repeatable, geared limit switch with 300V rated contacts

300V rated torque switch

3-phase, 1-phase, and DC motors