Ouman District heating valve VD 220-2.5

Ouman district heating valve VD220-2.5. 

VD valves are very good at high temperatures and pressures for heating and domestic hot water. 

Function: the valve closes with a spring
Nominal pressure : PN25
Adjustment ratio: 50:1
Leakage value: max. 0.05% kVS
Movement length of spindle: 6.5 mm
Closing pressure: 0...1600 kPa with a 300 N motor
Operating pressure : 0...215000 kPa with 400 N motor

Valve body
Connections: external thread according to ISO 228/1
Material: red metal (DIN 1705)

Used with VD valves
engines M31C150 (heating) and M41A15 (hot water).

400 N with motor - 2500 kPa
300 N with engine - 1600 kPa
kVS (m3/h) - 2.5
Adapter kit order number - AK20-15
Size - DN20