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Intelligent Quarter-Turn Electric Actuator for Butterfly Valve Ball Valve1
Valve Parts, Quarter-Turn Electric Actuator, Intelligent Motorized Valve
Jiangsu Leicester Measurement and Control Technology Co., Ltd.
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Product DescriptionProduct DescriptionOverview:Overview:The RST-Q Series Part-Turn Electric Actuators are designed to automate 90° rotary valves such as butterfly valves, ball valves, and plug valves. Featuring a compact and integrated design, these actuators are available in ON/OFF, modulating, and explosion-proof types, suitable for a wide range of industrial applications and control systems. The actuators meet GB/T 24923-2010 standards for general-purpose devices, and optional ExdIIBT4 explosion-proof configurations comply with GB3836 regulations.Key Features:Versatile Valve Compatibility: Ideal for 90-degree rotation valves including butterfly, ball, and damper valves.Reliable Manual Operation: Integrated handwheel with automatic/manual switch-over without the need for levers.Integrated Transmission Design: Compact structure, reduced installation space, and simplified appearance.Multi-Environment Readiness: Available in general-purpose or explosion-proof models with IP65/IP67/IP68 protection.Flexible Control Options: ON/OFF control, modulating control (4–20mA), and intelligent infrared remote setting.Precision Positioning: Supports digital calibration of open/close positions and adjustable torque settings.High Customizability: Optional ESD positioning, signal loss response, output feedback, and RS485 communication.SpecificationItemSpecification (Range by Model)Model RangeRST-Q05 to RST-Q500Torque Output50 Nm – 5000 NmRotation Angle90° (Part-turn)Output Speed0.5–1 rpmPower SupplyAC380V 50Hz (Optional AC220V/440V/660V)Insulation ClassFProtection GradeIP65/IP67 (Optional IP68)Explosion-proof OptionExdIIBT4Ambient Temperature-20°C to +60°C (optional -40°C to +70°C)Control ModeON/OFF, Modulating, Bus-typeValve Mounting StandardISO 5211 flange compatibleManual OverrideYes (integrated handwheel)Working Time (Duty Cycle)Short-time S2: 10 min (optional 15–30 min)Optional FeaturesESD, signal loss behavior, output feedback, RS485CoatingHigh-temperature baking finishOur AdvantagePacking & DeliveryFAQQ1: What type of valves is the RST-Q actuator compatible with?A: It's designed for part-turn valves such as butterfly valves, ball valves, plug valves, and air dampers.Q2: Can this actuator be used in explosive environments?A: Yes, the ExdIIBT4 explosion-proof version meets GB3836.1 and GB3836.2 standards.Q3: How is the manual operation handled?A: Manual override is built-in, with automatic switching from electric to manual mode without levers.Q4: Does it support signal feedback to DCS or PLC?A: Yes, it supports 4–20mA current feedback and RS485 communication if ordered with feedback modules.Q5: Can open/close positions be calibrated?A: Yes, intelligent types support both mechanical and digital calibration via remote or local panel.Q6: Is it waterproof and dustproof?A: Yes, standard protection is IP65/IP67; IP68 available upon request.
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