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FSD-1001-12.5 / 25

FSD-1001-12.5 / 25

The FSD-1001-12.5 / 25 models are part of SDTORK Controls Pvt. Ltd.’s advanced range of flameproof (Ex d) quarter-turn electric actuators, specifically engineered to deliver precise, reliable, and safe valve automation in hazardous and explosive environments. Designed with a strong focus on safety, durability, and performance, these actuators are ideally suited for industries where the presence of flammable gases, vapors, or dust demands the highest level of protection.

Built in compliance with internationally recognized standards such as IEC 60079-0:2011, IEC 60079-1:2014, and IEC 60529:2013, the FSD-1001 Series ensures complete containment of any internal ignition sources. The design effectively prevents flame propagation to the surrounding atmosphere, thereby minimizing the risk of external explosions and ensuring safe operation in Zone 1 and Zone 2 hazardous areas.

The actuator features a high-strength aluminum alloy enclosure, capable of withstanding high internal explosion pressures without structural damage. This rugged construction, combined with precision engineering, ensures long-term reliability even in harsh industrial conditions, including high temperature variations, corrosive environments, and continuous-duty operations.

Technical Overview

Parameter
Specification
Type
Flameproof (Ex d) Stayput Quarter-Turn Electric Actuator (Single / Three Phase)
Body Material
Aluminium Alloy – strong, corrosion-resistant, and explosion-proof
Torque Output
125 Nm & 250 Nm
Motor Type
Squirrel Cage Induction Motor
Duty Modes
On-Off / Inching / Modulating
Manual Operation
Non-rotating wheel type with worm reduction and self-locking function
Degree of Protection
IP65 / IP67 / IP68
Mounting Standard
ISO 5211 – F07 / F10 / F12
Operating Angle
0°–90° (adjustable ±5°)
Ambient Temperature
–20 °C to +70 °C
Single Phase
– 110 VAC / 230 VAC ±10%, 50 / 60 Hz
Three Phase
– 380 VAC / 415 VAC ±10%, 50 / 60 Hz
Paint
Standard RAL 5021
Paint
Standard RAL 5021

Industries Served:

Key Features

  • Fully enclosed, maintenance-free squirrel-cage motor
  • Self-locking gear train prevents back-drive and ensures stability
  • Integrated thermal switch safeguards motor from overload
  • Spur + worm gear mechanism for smooth torque transfer with minimal noise
  • Cam-operated travel limit switches for precise position control
  • Optional LED indicators for full OPEN / CLOSE position
  • Manual override operation available under de-energized conditions
  • Factory-filled with long-life synthetic grease – no additional lubrication required
  • Suitable for installation in any mounting direction

Why Choose ?

  • Complies with IEC explosion protection standards
  • Designed for hazardous and heavy-duty environments
  • Compact, efficient, and safe operation
  • Proven reliability in critical automation systems
  • Supported by SDTORK’s global expertise and after-sales service

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