Construction
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.
Features
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
Advantages
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
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