Check Valve, NVD 402, Flange


NVD 402 PN10 DN250

Product details

Gross weight 92.2 Kg
Net weight 92.2 Kg
Volume 249.6 Liter
EAN 5710104065731


Application District Heating
China RoHS compliance Out of scope
Connection types Flange
Description NVD 402 PN10 DN250
Diameter [mm] 250 mm
EU RoHS compliance Out of scope
Function Non-return
In scope of WEEE and contain batteries No
Kvs values [m³/h] 2010 m³/h
Media pH [Max] 10
Media pH [Min] 7
Media temperature [°C] [Max] 100 °C
Media temperature [°C] [Min] -10 °C
Medium alternative Glycolic water up to 50%
Medium alternative 2 Domestic water
Mounting orientation free
Number of ports 2
Operation type Self-operating
Permissible media District heating/cooling circulation water
Pressure nominal [bar] 10 bar
Product group Butterfly valves
REACH Candidate List substances Lead (CAS no. 7439-92-1)
SCIP dossier no. e7217506-d988-44de-bf3d-a0870db16632
SCIP dossier product name 065B7478
Type NVD 402
UK RoHS compliance Out of scope
Valve body material Grey cast iron EN-GJL-250 (GG-25)
Valve type Check Valve


Spare Parts






Software and firmware to extend functionality