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Part-turn actuators, Modular allrounders

SQRVEx

With the SQVEx .2 part-turn actuators for modulating duty, AUMA offers electric actuators with variable operating time, certified for use in potentially explosive atmospheres.

Part-turn actuators of the SQRVEx .2 type range are designed for modulating duty (class C) S4 - 25 %.

Torque range

150 Nm to 2400 Nm

Variable speed, explosion-proof for modulating duty

Design features

  • Limit and torque sensing
  • Mains connection 1-phase and 3-phase
  • Handwheel for manual operation
  • Mechanical position indicator

Service conditions

  • Wide temperature range
  • Highest enclosure protection
  • High quality corrosion protection

Options

  • Intermediate position switches
  • Switches in tandem version
  • Position transmitter
  • Magnetic limit and torque transmitter

Interfaces

  • Electrical connection via AUMA plug/socket connector (terminals as an option)
  • Cable entries in different versions
  • Valve attachments according to DIN and ISO standards

Interface and functional properties

  • Programmable, potential-free output contacts for status signalling
  • Soft start and stop for gentle valve operation
  • Avoiding pressure surge by an operating time profile
  • EMERGENCY behaviour and safety behaviour with separate specified operating times
  • Process controller (PID)
  • Fieldbus control
  • Behaviour in case of emergency situations and communication loss (programmable)
  • Operation data logging
  • Bluetooth interface to notebook and Android tablet

Specifications

Key information at a glance

Design features

Service conditions

Approvals