Danfoss 065B2508 - VFG 21, PN 16, DN 65, 50 m³/h, Flange

Détails du produit

Type		VFG 21
Groupe de produits		Pressure flow controllers
Application		District Heating
Cavitation factor		0.5
Cavitation factor 100%		0.42
Cavitation factor 25%		0.71
Cavitation factor 50%		0.58
Cavitation factor 75%		0.5
Conformité RoHS Chine		Hors champ
Connection types		Flange
Contient des piles		Non
Description		VFG21 PN16 65/50 2-way flange flow/ret
Diameter [mm]		65 mm
Differential pressure range [bar] [Max]		16 bar
Conformité RoHS UE		Hors champ
Flow characteristic		Linear optimized
Function		Pressure relief
Kvs values [m³/h]		50 m³/h
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
Permissible media		District heating/cooling circulation water
Pressure class		PN 16
Pressure nominal [bar]		16 bar
REACH Candidate List substances		Non
Sealing material		EPDM
Spindle position		Normally open
Stroke [mm]		12 mm
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 65

Operating guides, design guides, certificates and CAD drawings for 065B2508 are available on request. Demander les documents →