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Construction
  • Low maintenance electrical actuator with a powerful, reversible dc motor
  • The rugged reduction gear in the motor, consisting of a threaded spindle with swivel lever, provides the rotation through 90°
  • Plastic housing
  • Optical position indicator
  • Manual override
Features
  • Suitable for inert and corrosive liquid and gaseous media
  • Insensitive to viscose media
  • Body with integrated mounting facility
  • Electrical position indication by 2 potential-free, adjustable limit switches
Advantages
  • Adjustable end positions by means of microswitches
  • Emergency power supply with 24V DC types through the emergency power supply module GEMU 1570
  • Various seal materials are available to suit the medium
  • Low maintenance

Specifications

Type 423
Nominal Size 15 mm20 mm25 mm32 mm40 mm50 mm
Body Configuration Straight through
Connection IPS socket union ends Union ends with DIN solvent cement sockets
Valve Body Material PVC-U (butterfly disc PVDF)
Seal Material EPDM FPM
Supply Voltages/Frequency 12 V DC 24 V DC 12 V 50/60 Hz 24 V 50/60 Hz 100-250 V 50/60 Hz
Torque Torque 6 Nm, operating time 4 sec; Spur gear; DN 15-25 Torque 15 Nm, operating time 11 sec; Planetary gear; DN 15-50 Torque 6 Nm, operating time 4 sec; Spur gear; DN 15-25 Torque 15 Nm, operating time 11 sec; Planetary gear; DN 15-50
Special Design
K-No. 6410 - Parallel operation K-No. 6597 - With additional potential-free limit switches and connection with 2 Hirschmann sockets DIN 43651 Type N6RFFS11 K-No. 6598 - Connection with 1 Hirschmann socket DIN 43651 Type N6RFFS11 K-No. 6722 - With additional potential-free limit switches and connection with 2 Harting plugs Type HAN 7D K-No. 6812 - Mains and signal galvanically separated, connection with 2 Hirschmann sockets DIN 43651 Type N6RFFS11
Ambient Temperature -10 to +60 ºC
Storage Temperature -20 to +60 ºC
Protection Class to EN 60529 IP 65
Manual Override with Allan key SW3
Note Special designs are available upon request

Working Medium

Working Medium Inert, corrosive gaseous and liquid media which have no negative impact on the physical and chemical properties of the body, disc and seal materials
Max. Perm. Pressure of Working Medium 6 bar
Max. Perm. Temperature of Working Medium 60 ºC

Turn Range

Nominal Turn Range 90 º
Max. Turn Range 93 º
Min. Setting Range Limit Switch -2 to 12 º
Max. Setting Range Limit Switch 76 to 91 º