Danfoss 065B5528 - VFG 221, PN 25, DN 65, 60 m³/h, Flange

Product details

Type		VFG 221
Product group		Pressure flow controllers
Application		District heating and cooling
Cavitation factor		0.42
Cavitation factor 100%		0.36
Cavitation factor 25%		0.6
Cavitation factor 50%		0.49
Cavitation factor 75%		0.42
China RoHS compliance		Out of scope
Connection size		DN 65
Connection standard		EN 1092-1
Connection types		Flange
Contains batteries		No
Description		Pressure operated valves
Diameter [mm]		65 mm
Differential pressure range [bar] [Max]		20 bar
EU RoHS compliance		Out of scope
Kvs values [m³/h]		60 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]		25 bar
Permissible media		District heating/cooling circulation water
Pressure class		PN 25
Pressure nominal [bar]		25 bar
Pressure relieve system control valve insert		Chamber
Sealing DP material		EPDM
Sealing type		Soft sealing cone
Valve body material		Ductile iron EN-GJS-400-18-LT (GGG 40.3)
Valve cone DP material		Stainless steel mat. No. 1.4021
Valve seat DP material		Stainless steel, mat. No. 1.4021
Valve size		DN 65

Operating guides, design guides, certificates and CAD drawings for 065B5528 are available on request. Ask for documents →