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Limitorque MX Electric Actuator
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Flowserve
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Product description
Electric actuators must perform reliably in severe environments and harsh conditions. Any failure can compromise valve performance, plant productivity and employee safety.
That’s why Flowserve engineered the Limitorque MXb and QXb electric actuators for dependable performance across a broad range of tough applications, including:
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Oil and gas
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Petrochemical
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Commercial power
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Chemical
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Water
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Wastewater
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General industries
Ease of use
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Commissioning is 50% faster owing to a simplified menu and navigation, without the need for special tools.
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The high-resolution control panel display:
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Delivers instant and up-to-the-minute actuator status and valve position
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Shows clear historical and real-time graphs for critical process information such as torque, vibration and temperature profiles
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Automatically adjusts brightness to enable visibility in all lighting conditions
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Includes multiple languages for ease of use
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Rotates to accommodate equipment orientations and installations
Reduced costs
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Backward compatibility enables cost-effective upgrading
of existing MX and QX models to the advanced B series.
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Thermal resistance increases mean time between
failure (MTBF).
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Oil bath lubrication extends the actuator life, enables
storage and mounting in any orientation while
maintaining full coverage, and eliminates the need
for regular maintenance.
Design enhances reliability
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Improved reliability as the result of isolated inputs and outputs.
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Double-sealed enclosure up to IP68 (minimum 96 hours
at 15 m), with separate terminal compartment eliminates
the need for a heater and avoids the risk of water ingress during commissioning.
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Non-intrusive control knobs make it possible for the actuators to be sealed for life and eliminate risk of water/dust ingress.
Ensuring safe operation
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The independent handwheel disconnects the motor to enable manual reducing and provides a safety feature which can be engaged, even during motor operation.
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The LimiGard circuit monitor is designed for fail/no-action protection; it continually monitors the motor contactor, control relays, internal logic circuits and external command signal to detect and report malfunctions.
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