VFG 2, PN 25, DN 20, 6.30 m³/h, Flange | Controllers for Oil Applications | Pressure and Flow Controllers | Climate Solutions for heating

Product details

Gross weight	8.46 Kilogram
Net weight	7.014 Kilogram

Volume	21.228 Liter
EAN	5702421803196

Application	District Heating
Cavitation factor	0.6
Cavitation factor 100%	0.41
Cavitation factor 25%	0.69
Cavitation factor 50%	0.62
Cavitation factor 75%	0.6
China RoHS compliance	Out of scope
Connection types	Flange
Description	VFG2 PN25 20/6,3 2-way flange flow/ret
Diameter [mm]	20 mm
Differential pressure range [bar] [Max]	20 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]	6.3 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 25
Pressure nominal [bar]	25 bar
Product group	Pressure flow controllers
REACH Candidate List substances	Lead (CAS no. 7439-92-1)
Spindle position	Normally open
Stroke [mm]	6 mm
Type	VFG 2
UK RoHS compliance	Out of scope
Valve body material	Ductile cast iron EN-GJS-400-18-LT (GGG 40.3)
Valve cone material	Stainless steel, mat. No. 1.4404
Valve seat material	Stainless steel, mat. No. 1.4021
Valve size	DN 20

Application	District Heating
Cavitation factor	0.6
Cavitation factor 100%	0.41
Cavitation factor 25%	0.69
Cavitation factor 50%	0.62
Cavitation factor 75%	0.6
China RoHS compliance	Out of scope
Connection types	Flange
Description	VFG2 PN25 20/6,3 2-way flange flow/ret
Diameter [mm]	20 mm
Differential pressure range [bar] [Max]	20 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]	6.3 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 25
Pressure nominal [bar]	25 bar
Product group	Pressure flow controllers
REACH Candidate List substances	Lead (CAS no. 7439-92-1)
Spindle position	Normally open
Stroke [mm]	6 mm
Type	VFG 2
UK RoHS compliance	Out of scope
Valve body material	Ductile cast iron EN-GJS-400-18-LT (GGG 40.3)
Valve cone material	Stainless steel, mat. No. 1.4404
Valve seat material	Stainless steel, mat. No. 1.4021
Valve size	DN 20