Danfoss logo
2-way seated valve type VFG 2

VFG 21, PN 16, DN 50, 32 m³/h, Flange

065B2507

VFG21 PN16 50/32 2-way flange flow/ret

产品规格

特性
Cavitation factor0.50
Cavitation factor 100%0.34
Cavitation factor 25%0.58
Cavitation factor 50%0.52
Cavitation factor 75%0.50
China RoHS complianceOut of scope
Contains batteriesNo
DG Indicator ProfileNot relevant for dangerous goods
Differential pressure range [bar] [Max]16.00 bar
EU RoHS complianceOut of scope
Flow characteristicLinear optimized
Kvs values [m³/h]32.00 m³/h
Leakage through port max. [% Kvs]0.01
Material DescriptionVFG21 PN16 50/32 2-way flange flow/ret
Media pH [Max]10
Media pH [Min]7
Medium alternativeGlycolic water up to 30%
Mounting versionFree
Number of ports2
Permissible mediaDistrict heating/cooling circulation water
特性
Pressure classPN 16
Pressure nominal [bar]16 bar
Product lineDistrict Energy Controls
REACH Candidate List substancesLead (CAS no. 7439-92-1)
Sealing materialEPDM
Spindle positionNormally open
Stroke [mm]12.00 mm
Valve body materialGrey cast iron EN-GJL-250 (GG-25)
Valve cone materialStainless steel, mat. No. 1.4404
Valve seat materialStainless steel, mat. No. 1.4021
Valve sizeDN 50
介質溫度 [°C] [最大值]150 °C
介質溫度 [°C] [最小值]2 °C
功能Pressure relief
應用District Heating
描述VFG21 PN16 50/32 2-way flange flow/ret
產品群組Pressure flow controllers
產品類型VFG 21
直徑 [mm]50 mm
連接類型Flange

一般规格

特性
總重18.6 Kilogram
淨重17.852 Kilogram
Volume21.764 Liter
特性
EAN/UPC5702421804247
Proposition 65Cancer and Reproductive Harm