QT type electric actuator1
QT type electric actuator2
QT type electric actuator3
QT type electric actuator4

QT type electric actuator

Body Materials:

Introduction

Valve Actuator Technical Specifications and Features  
 
Operational Performance  60 seconds
 
- Stroke Time: Minimum 60 seconds for both Close to Open and Open to Close operations.  
- Actuator Sizing Calculation: Designed to handle 125% of the pipeline’s design pressure for enhanced safety and reliability.  
- Power Transmission: Utilizes a robust Worm and Spur or Helical Gear Combination for efficient power transfer.  
- Thrust Load Receiving: Engineered to withstand high thrust loads, ensuring durability in demanding applications.  
 
Power and Electrical Specifications  
- Power Supply: 220 660VAC, Three (3) Phase, 60 Hz for high-performance operation.  
- Control Voltage: 24VDC for safe and reliable control.  
- Input Signal: 4-20mA for precise control signal input.  
- Position Transmitter: 4-20mA output for accurate valve position feedback.  
 
Motor and Drive Features  
- Motor Type: Squirrel Cage Induction Motor for reliable and efficient operation.  
- Motor Insulation: Class F insulation for superior thermal protection.  
- Winding Overheating Protection: Prevents motor damage due to excessive heat.  
- Motor Jam Protection: Safeguards against motor stalling or jamming.  
- Single Phase Protection: Protects the motor during phase loss or imbalance.  
 
Actuator Protection and Safety Features  
- Jammed Valve Protection: Automatically stops operation if valve jamming is detected to prevent damage.  
- Anti-Hammer Protection: Reduces the risk of water hammer, protecting the pipeline and valve.  
- Torque Switch By-pass: Allows manual override during torque switch activation for flexibility.  
- Display Protection: Ensures the display remains functional in harsh environments.  
 
Remote Control and Monitoring Capabilities  
- Remote Operation: Enables off-site control of the valve for convenience and safety.  
- Remote Position Indications: Provides 4-20mA output for remote monitoring of valve position, integrated with DCS at POS and Remote Hand Station.  
- Indicating Relays: Offers real-time status feedback for operational monitoring.  
- Monitor Relays: Tracks system conditions to ensure optimal performance.  
- Alarm Indications: Monitors valve and actuator health, alerting operators to potential issues.  
 
Manual Operation and Local Control  
- Hand Wheel: Allows manual operation in case of power failure or maintenance.  
- Local Controls: Provides on-site operation options for quick adjustments.  
- Selector Switch: Three-position switch (Local, Off, Remote) with pad-lockable functionality for secure operation.  
- Open and Close Control Switch: Intuitive controls for easy valve operation.  
 
Display and Configuration  
- Actuator Display: Features a Local and Set-up menu for easy configuration and monitoring.  
- Home Screen: Displays critical operational data at a glance.  
- Set-up Menus: User-friendly interface for quick adjustments and settings.  
- Commissioning and Configuration: Streamlined setup process for efficient installation.  
- Battery Backup: Built-in backup power ensures Local and Remote Position Indications remain active during main power outages.  
 
Asset Management and Data Capture  
- Asset Management Feature: Simplifies maintenance scheduling and tracking for improved lifecycle management.  
- Setting, Commissioning, and Data Capture: Facilitates easy setup and data collection for performance analysis.  
 
Cable Gland Entry  
- Size: Includes 1 entry of 1-1/2" diameter NPT and 2 entries of 1/2" diameter NPT for flexible cable routing.  
 
Additional Features  
- Position Measurement: Accurate tracking of valve position for precise control.  
- Single Phase Protection: Ensures motor safety during phase loss or imbalance.  
- Anti-Corrosion Design: Built to withstand harsh environments, ensuring long-term reliability.  
- Modular Design: Allows for easy maintenance and part replacement, reducing downtime.  
 
This valve actuator combines advanced technology, robust construction, and user-friendly features to deliver exceptional performance in pipeline and process control applications. Whether for remote monitoring, manual operation, or asset management, this actuator is designed to meet the highest standards of reliability and efficiency.

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