Intended use
1 Intended use
The electrical actuators EA 11/21/31/42 are intended for mounting on a valve and for
connection to a control system.
The electrical actuators EA 11/21/31/42 are intended to activate valves with pivoting
movements up to 180° (e. g. ball valves and butterfly valves).
The product is not intended for any types of use other than those described here.
Failure to follow the instructions in this manual shall lead to the termination of the
manufacturer's liability for the above mentioned products.
2 Regarding this document
This document contains all necessary information for the installation, operation and
service of the product.
2.1 Safety Instructions and Warnings
This instruction manual contains warning notices that shall prevent you from death,
injuries or material damages. Always read and observe these warning notices!
Warning symbol
CAUTION
WARNING
WARNING
CAUTION
36
Meaning
Imminent danger!
Failure to observe these warnings could result in death or very
serious injuries.
Measurements to avoid the danger.
Possible imminent danger!
Failure to observe these warnings could result in very serious
injuries.
Measurements to avoid the danger.
Dangerous situation!
Failure to observe these warnings could result in small
injuries.
Measurements to avoid the danger.
Dangerous situation!
Failure to observe these warnings could result in material
damages.
Measurements to avoid the danger.
Electrical actuators type EA 11/ 21/ 31/ 42