Introduction 
The TKBS21.XX can be used with electrical on/off-controls to activate several types of valves, the actuator is made for either 24V or 230V supply in normally closed.

Application
For the on/off control of water flow in water-based floor heating systems as zone valve used in Commercial buildings, Residential building, Light industrial buildings…

Features
It equips a synchronous motor and gear mechanism
Reliable longtime operation
Maintenance-free design
No mounting tools required
LED position indicator on actuator
Single signal line for all kinds of thermostats
No power consumption in end position

Technical data

Voltage: AC230V (AC110V / AC24V available) Power consumption: 6W Force: 150N Stroke: 3mm Running time: 6s Valve interface: cap nut M30*1.5mm Ambient temperature: -5～50℃ Cable Length: 1.2mm Housing material: anti-flammable ABS Protective housing: IP20 Mounting position: upright up to 85° Dimension: 95mm×55mm×75mm

Selection table

Please specify normally-open or normally-closed when ordering

Model No. Voltage Valve action Loading (PCS/Carton) TKBS21.10 230V Valve closed without current 60 TKBS21.24 24V Valve closed without current 60

Valve compatible to SEA21.XX

Model No. Valve type Kvs PN class TKBV246.15 Two-port 2.0 PN16 TKBV246.20 3.5 PN16 TKBV246.25 5.0 PN16 TKBV346.20 Three-port 3.5 PN16 TKBV346.25 5.0 PN16