Electric valve actuator Limitorque® LQI

quarter-turnthree-phasesingle-phase

Product Overview
The LQI compact spring return fail-safe electric actuators offer superior reliability and performance as well as lower Total Cost of Ownership (TCO). LQIFS actuators are designed to provide fail-safe positioning with a wide range of quarter turn valves and dampers across power, oil & gas, chemical, water and general industry applications.

Features and benefits

• Anti-Condensation Heater prevents freezing and damage caused by humidity
• Clear mechanical indicator shows valve position at a glance, improving safety
• Standard control and auxiliary switches simplify automation and reduce setup time
• Permanently lubricated drive delivers smooth, maintenance-free performance and lowers operating costs
• Compact, service friendly housing speeds maintenance and supports up to 50% duty cycle

Configurations

• 2/3/4 Wire Discrete Controls
• Mod 4-20 mA - In & Out
• 12/24 V AC, 12/24 V DC, 1 PH, 3 PH 50/60 Hz up to 480 V
• Modbus control option
• Up to C5 corrosion resistance

Applicable industries

• Power
• Chemicals
• Water
• Oil & Gas
• General Industries

Caractéristiques / spécifications techniques

• Standards: IP67/68; CSA; CSAus; ATEX II 2 GD; IECEx
• Temperature range: -30°C to +70°C (-22°F to +158°F)
• Size range (Weather Proof): 50 - 360 Nm (445 - 3,185 in-lb)
• Size range (Explosion Proof): 50 - 260 Nm (445 - 2,300 in-lb)
• Fail-safe type: compact spring-return (spring return fail-safe)
• Control options and power: discrete wire controls, 4-20 mA I/O, Modbus option; 12/24 V AC/DC up to 480 V (1 PH / 3 PH)