AFQM, PN 25, DN 65, Flow rate [m³/h]: 5.60 - 28.00, Flange, Mounting version: Free


AFQM PN25 65/50 /0,2 flange flow/return

Product details

Gross weight 77.6 Kg
Net weight 58.5 Kg
Volume 487.812 Liter
EAN 5702421809020


Actuator diaphragm material EPDM (Rolling, fibre enforced)
Actuator size [cm2] 250 cm²
Application District Heating
Cavitation factor 0.5
Connection size DN 65
Connection types Flange
Description AFQM PN25 65/50 /0,2 flange flow/return
Diameter [mm] 65 mm
Differential pressure range [bar] [Max] 20 bar
Flow control Yes
Flow limitation Yes
Flow rate [m3/h] 28 m³/h
Flow rate [m3/h] [Max] 28 m³/h
Flow rate [m3/h] [Min] 5.6 m³/h
Flow restrictor diff.pressure - dpb [bar] 0.2 bar
Function Flow controller with int. control valve
Function VSP - P No
Function VSP - Q No
Function VSP - T No
Kvs values [m³/h] 50 m³/h
Leakage rate [% Kvs] 0.01
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%
Mounting version free
Number of ports 2
Permissible media District heating/cooling circulation water
PN alternative VSP 16
Pressure class PN 25
Pressure controller No
Pressure nominal [bar] 25 bar
Pressure relieve system control valve insert Bellows (Stainless steel M. No. 1.4571)
Product Group Pressure flow controllers
REACH Candidate List substances 0.1 Lead
Sealing CV material EPDM
Sealing DP material EPDM
Setting type NONE
Stem position Normally open
Stroke [mm] 12 mm
Valve body material Ductile iron EN-GJS-400-18-LT (GGG 40.3)
Valve cone CV material Stainless steel mat. No. 1.4404
Valve cone DP material Stainless steel mat. No. 1.4404
Valve seat material Stainless steel M. No. 1.4021
Valve size DN 65


Spare Parts






Software and firmware to extend functionality