Fluid handling, regulation and control

Fluid handling, regulation and control

Fluid handling, regulation and control

GEMÜ 648 2/2-way metal diaphragm valve

Category Brand

Description

The GEMÜ 648 2/2-way metal diaphragm valve has a motorized linear actuator. The motor has a plastic housing and is designed for DC and AC operating voltages. The integrated gear translates the rotary motor movement into a linear movement.

The actuator of the GEMÜ 648 2/2-way metal diaphragm valve is available as an on/off version or with an integrated positioner and additional process controller. The membrane keypad and the backlit display are at the front of the unit and easily accessible.

The integrated electronic system of the GEMÜ 648 2/2-way metal diaphragm valve enables easy setting of actuating speed, control parameters and other functions.


TECHNICAL SPECIFICATIONS

  • Connection: Spigot
  • Actuator: Motorized
  • Body material: 1.4408, PFA lined; 1.4408, investment casting; 1.4435, forged body; 1.4435, investment casting; ABS; EN-GJL-250; EN-GJS-400-18-LT (GGG 40.3), PFA lined; EN-GJS-400-18-LT (GGG 40.3), PP lined; EN-GJS-400-18-LT, hard rubber lined; EN-GJS-500-7, PFA lined; EN-GJS-500-7, PP lined; PP; PP inliner / outliner; PVC; PVDF
  • Max. operating pressure: 10 bar
  • Max. media temperature: 150 ° C
  • Nominal sizes
  • Control valve

FEATURES

  • Suitable for inert and corrosive liquid and gaseous media
  • OPEN/CLOSE function or CONTROL version
  • Actuating speed and control parameters easily adjustable
  • Optimized initialisation and valve control
  • Parameterisation during operation
  • Torque limitation
  • Electronic limitation of opening and closing stroke
  • Positioner and process controller are synchronized with each other
  • Optional integrated emergency power supply module with selectable safety position
  • Setting of functions via display

ADVANTAGES

  • Can be combined with virtually all GEMÜ diaphragm valve bodies
  • 2-colour LEDs with good visibility for indication of end position and t ravel direction
  • Extensive integrated diagnostic functions
  • Simple commissioning and versatile operating facilities:

– Fascia keys

– PC connection with Internet browser MS® Internet Explorer

– Field bus interfaces, e.g. Profibus DP

– e.sy-com interface for connecting a Bluetooth module or industrial modem to enable access via PDA or PC

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