Controles y Válvulas S.A. de C.V.

Automatización, Medición y Control

You are here: Productos por función Válvulas de mariposa GEMU 428 Butterfly Valve, Metal


The motorized GEMU 428 2/2 way butterfly valve has a low maintenance electrical actuator with a powerful reversible DC motor. The secondary gear in the motor, consisting of a threaded spindle with swivel lever, provides the rotation through 90°. GEMU 428 has an optical position indicator and a manual override.


  • Suitable for inert, corrosive, liquid and gaseous media
  • Insensitive to media with high viscosities
  • Quick on/off operation
  • Electrical position indication by 2 potential-free, adjustable limit switches
  • Opening and closing behaviour is independent of the operating pressure


  • Adjustable end positions by means of micro-switches
  • Emergency power supply with 24V DC types through the emergency power supply module type 1570
  • Various seal materials are available to suit the medium
  • Low maintenance
More in this category: GEMU 415 Butterfly Valve, Metal