VM

Control valves with electrical actuator

DN15 to DN300 Valves
Electrically operated control valves
Designed primarily to regulate the flow of water and steam in
* Throttling
* Mixing
* Distribution
* Steam converting
* Boiler feed pump protection
* Bottom blowdown systems.
These valves are available in two-way and three-way mixing configurations.
- With Positioner
- Available with Profibus-DP and CANOpen fieldbus

Process inputs:

Several control signals available:

- Voltage (V):  0...10 V
- Current (mA): 0/4...20 mA

Process outputs

Valve type

- Two-way
- Three-way mixing
- Feedback potentiometer
- Limit switches

Functions

- Various Body materials, Spindle packing and Cone types according to the application requirements
Electric control valves for throttling, mixing and distribution of liquids, steam and gasses in two way or three way design

Control valves for feed water control system of steam boilers with protection of boiler-feed pump from falling below the minimum flow rate

Emergency closing device for motorized valves

Aprooved by TUV as an actuator fro water and steam with safety function in heating systems

Pressure reduction with simultaneous cooling by water injection

Special valves for boiler applications

Communication and programming:

Interfaces

- Field bus ports to CANOpen or Profibus -DP

Installation

Mounting method: Flanged
Valve sizes from DN15 to DN300
With standard or special Kvs

Connectable to:

- Any controller with the appropriate input type

Used for:

- Heating/cooling system for water, steam and thermal oil
- HVAC system
- Refrigeration plants
- Power plants

WARNING! To properly identify the valve, you have to let us know the W.Nr. or the S/N (serial number) that are punched in the upper left on the aluminum plate placed on the valve body. (see pictures)

Click here to download the video demo of positioner RE 3447 first initialisation
Click here to download the video demo of positioner RE 3447 reinitialisation
Click here to download the video demo of actuator ST 5112 installation

 

 
large SN 0  large WNr 1