VFG 2, PN 16, DN 40, 20.00 m³/h, Flange | Controllers for Oil Applications | Pressure and Flow Controllers | Climate Solutions for heating

Product details

Gross weight	15.598 Kilogram
Net weight	14.313 Kilogram

Volume	21.629 Liter
EAN	5702421803097

Application	District Heating
Cavitation factor	0.55
Cavitation factor 100%	0.34
Cavitation factor 25%	0.58
Cavitation factor 50%	0.52
Cavitation factor 75%	0.5
China RoHS compliance	Out of scope
Connection types	Flange
Description	VFG2 PN16 40/20 2-way flange flow/return
Diameter [mm]	40 mm
Differential pressure range [bar] [Max]	16 bar
EU RoHS compliance	Out of scope
Flow characteristic	Linear optimized
Function	Pressure relief
In scope of WEEE and contain batteries	No
Kvs values [m³/h]	20 m³/h
Leakage through port max. [% Kvs]	0.03
Media pH [Max]	10
Media pH [Min]	7

Media temperature [°C] [Max]	200 °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
Pressure class	PN 16
Pressure nominal [bar]	16 bar
Product group	Pressure flow controllers
REACH Candidate List substances	No
Spindle position	Normally open
Stroke [mm]	8 mm
Type	VFG 2
UK RoHS compliance	Out of scope
Valve body material	Grey cast iron EN-GJL-250 (GG-25)
Valve cone material	Stainless steel, mat. No. 1.4404
Valve seat material	Stainless steel, mat. No. 1.4021
Valve size	DN 40

Application	District Heating
Cavitation factor	0.55
Cavitation factor 100%	0.34
Cavitation factor 25%	0.58
Cavitation factor 50%	0.52
Cavitation factor 75%	0.5
China RoHS compliance	Out of scope
Connection types	Flange
Description	VFG2 PN16 40/20 2-way flange flow/return
Diameter [mm]	40 mm
Differential pressure range [bar] [Max]	16 bar
EU RoHS compliance	Out of scope
Flow characteristic	Linear optimized
Function	Pressure relief
In scope of WEEE and contain batteries	No
Kvs values [m³/h]	20 m³/h
Leakage through port max. [% Kvs]	0.03
Media pH [Max]	10
Media pH [Min]	7
Media temperature [°C] [Max]	200 °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
Pressure class	PN 16
Pressure nominal [bar]	16 bar
Product group	Pressure flow controllers
REACH Candidate List substances	No
Spindle position	Normally open
Stroke [mm]	8 mm
Type	VFG 2
UK RoHS compliance	Out of scope
Valve body material	Grey cast iron EN-GJL-250 (GG-25)
Valve cone material	Stainless steel, mat. No. 1.4404
Valve seat material	Stainless steel, mat. No. 1.4021
Valve size	DN 40