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AFQM 2, PN 16, DN 250, Flow rate [m³/h]: 100.00 - 500.00, Flange, Mounting version: Free
AFQM 2, PN 16, DN 250, Flow rate [m³/h]: 100.00 - 500.00, Flange, Mounting version: Free

003G5513

Pressure independent control valve

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Product details

Gross weight 428.5 Kilogram
Net weight 401 Kilogram
Volume 796.8 Liter
EAN 5714279065176

 

Actuator diaphragm material EPDM (Rolling, fibre enforced)
Actuator size [cm²] 320 cm²
Application District heating and cooling
Cavitation factor 0.3
Cavitation factor 100% 0.22
Cavitation factor 25% 0.36
Cavitation factor 50% 0.36
Cavitation factor 75% 0.27
China RoHS compliance Out of scope
Connection size DN 250
Connection types Flange
Description Pressure independent control valve
Diameter [mm] 250 mm
Differential pressure range [bar] [Max] 10 bar
EU RoHS compliance Out of scope
Flow control Yes
Flow limitation Yes
Flow rate [m³/h] 500 m³/h
Flow rate [m³/h] [Max] 500 m³/h
Flow rate [m³/h] [Min] 100 m³/h
Flow restrictor diff.pressure - dpb [bar] 0.5 bar
Function Flow controller with int. control valve
Function VSP - P No
Function VSP - Q No
Function VSP - T No
In scope of WEEE and contain batteries No
Kvs values [m³/h] 800 m³/h
Leakage rate [% Kvs] 0.01
Leakage through port max. [% 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
Operating pressure [bar] [Max] 16 bar
Permissible media District heating/cooling circulation water
PN alternative VSP 25
Pressure class PN 16
Pressure controller No
Pressure nominal [bar] 16 bar
Pressure relieve system control valve insert Chamber
Product group Pressure flow controllers
Sealing CV material EPDM
Sealing DP material EPDM
Select if the Shock valve should be with a Fixed pressure or Adjustablepressure Fixed
Stem position Normally open
Stroke [mm] 32 mm
Type AFQM 2
UK RoHS compliance Out of scope
Valve body material Grey cast iron EN-GJL-250 (GG-25)
Valve cone CV material Stainless steel mat. No. 1.4021
Valve cone DP material Stainless steel mat. No. 1.4021
Valve seat DP material Stainless steel, mat. No. 1.4021
Valve seat material Stainless steel, mat. No. 1.4021
Valve size DN 250

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