Danfoss 065B2689 - VFQ 2, PN 40, DN 250, 400 m³/h, Flange

Detalles del producto

Tipo		VFQ 2
Grupo de producto		Pressure flow controllers
Aplicación		District Heating
Cavitation factor		0.2
Cavitation factor 100%		0.16
Cavitation factor 25%		0.2
Cavitation factor 50%		0.31
Cavitation factor 75%		0.31
Conformidad RoHS China		Fuera del ámbito
Connection types		Flange
Contiene baterías		No
Descripción		VFQ2 PN40 250/400 2-way flange flow/ret
Diameter [mm]		250 mm
Differential pressure range [bar] [Max]		10 bar
Conformidad RoHS UE		Fuera del ámbito
Flow characteristic		Linear optimized
Function		Pressure relief
Kvs values [m³/h]		400 m³/h
Leakage through port max. [% Kvs]		0.05
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		25
Pressure class		PN 40
Pressure nominal [bar]		40 bar
REACH Candidate List substances		Lead (CAS no. 7439-92-1)
Spindle position		Normally open
Stroke [mm]		24 mm
Valve body material		GS-C 25
Valve cone material		Stainless steel, mat. No. 1.4021
Valve size		DN 250

Operating guides, design guides, certificates and CAD drawings for 065B2689 are available on request. Solicitar documentos →