AVTB, PN 16, 5.50 m³/h, 0 °C - 30 °C, 2.0 m, Internal thread
AVTB, PN 16, 5.50 m³/h, 0 °C - 30 °C, 2.0 m, Internal thread


AVTB 25 Thermostatic valve 0-30#C

Product details

Gross weight 1.82 kg
Net weight 1.77 kg
EAN 5702421100271


Ambient temperature [°C] [Max] 70 °C
Ambient temperature [°C] [Min] 0 °C
Approval standard ETA VA 1.54/18952
Capillary tube length [m] 2 m
Cavitation factor 0.4
Cone /seat sealing material NBR / Brass W. No 2.0402
Connection size Rp 1
Connection standard ISO 7/1
Connection types Internal thread
Description AVTB 25 Thermostatic valve 0-30#C
Diameter [mm] 25 mm
Differential pressure range [bar] [Max] 10 bar
Flow characteristic Linear
Flow control No
Function Temp. controller
Function VSP - P No
Function VSP - Q No
Function VSP - T Yes
Impulse tube material Copper mat. No 2.0090
Kvs values [m³/h] 5.5 m³/h
Media pH [Max] 10
Media pH [Min] 7
Media temperature [°C] [Max] 130 °C
Media temperature [°C] [Min] 2 °C
Media temperature at sensor [°C] [Max] 55 °C
Medium alternative Glycolic water up to 30%
Mounting version free
Number of ports 2
Permissible media District heating/cooling circulation water
PN alternative VSP 10
Pressure class PN 16
Pressure nominal [bar] 16 bar
Product Group Temperature controllers
REACH Candidate List substances >0.1% Lead
Rection time close [sec] 15 s
Rection time open [sec] 3 s
Return limiter function No
Sensor connection M22x1 / R3/4 ext thread acc. DIN 2999
Temperature control yes
Temperature sensor diameter [mm] 18 mm
Temperature sensor length [mm] 210 mm
Temperature sensor material Copper mat. No 2.0090
Temperature setting range [°C] [Max] 30 °C
Temperature setting range [°C] [Min] 0 °C
Time constant [sec] 3 s
Transport temperature [°C] [Max] 50 °C
Transport temperature [°C] [Min] -20 °C
Valve body material Brass CuZn40Pb2 W. no 2.0402
Valve cone material NBR rubber
Valve seat material Cr Ni steel W.no 1.4301


Spare Parts






Software and firmware to extend functionality