VM 2, 25.00 m³/h, G 2 1/2 A


VM 2 PN25 50/25 2-way seated ext. thr

Product details

Gross weight 3.494 Kg
Net weight 3.171 Kg
Volume 5.001 Liter
EAN 5702421509029


Application District Heating
Application alternative VSP Heating
Cavitation factor 0.5
Connection size G 2 1/2 A
Connection types External Thread
Control ratio 50:1
Description VM 2 PN25 50/25 2-way seated ext. thr
Diameter [mm] 50 mm
Differential pressure range [bar] [Max] 16 bar
Flow characteristic Split
Function Pressure relief
Kvs values [m³/h] 25 m³/h
Leakage through port max. [% Kvs] 0.05
Media pH [Max] 10
Media pH [Min] 7
Media temperature [°C] [Max] 150 °C
Media temperature [°C] [Min] 2 °C
Medium alternative Glycolic water up to 30%
Number of ports 2
Permissible media District heating/cooling circulation water
PN alternative VSP 16
Pressure nominal [bar] 25 bar
Product Group Motorized control valves
REACH Candidate List substances 0.1 Lead
Spindle position Normally open
Stroke [mm] 10 mm
Stuffing box sealing material EPDM
Type VM 2
Valve body material Red bronze, mat. No. 2.1096.1 (RG5)
Valve cone material Stainless steel
Valve seat material Stainless steel
Valve stem material Stainless steel


Spare Parts






Software and firmware to extend functionality