VFQ 2, PN 25, DN 40, 20.00 m³/h, Flange
065B2671
VFQ2 PN25 40/20 2-way flange flow/return
Product specifications
Characteristic | Value |
---|---|
Application | District Heating |
Cavitation factor | 0.55 |
Cavitation factor 100% | 0.34 |
Cavitation factor 25% | 0.58 |
Cavitation factor 50% | 0.52 |
Cavitation factor 75% | 0.50 |
China RoHS compliance | Out of scope |
Connection types | Flange |
Description | VFQ2 PN25 40/20 2-way flange flow/return |
DG Indicator Profile | Not relevant for dangerous goods |
Diameter [mm] | 40 mm |
Differential pressure range [bar] [Max] | 20.00 bar |
EU RoHS compliance | Out of scope |
Flow characteristic | Linear optimized |
Function | Pressure relief |
In scope of WEEE and contain batteries | No |
Kvs values [m³/h] | 20.00 m³/h |
Leakage through port max. [% Kvs] | 0.03 |
Material Description | VFQ2 PN25 40/20 2-way flange flow/return |
Media pH [Max] | 10 |
Characteristic | Value |
---|---|
Media pH [Min] | 7 |
Media temperature [°C] [Max] | 200 °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 25 |
Pressure nominal [bar] | 25 bar |
Product group | Pressure flow controllers |
Product line | District Energy Controls |
Product Type | VFQ 2 |
REACH Candidate List substances | Lead (CAS no. 7439-92-1) |
Spindle position | Normally open |
Stroke [mm] | 8.00 mm |
UK RoHS compliance | Out of scope |
Valve body material | GGG 40.3 |
Valve cone material | Stainless steel, mat. No. 1.4404 |
Valve size | DN 40 |
General specifications
Characteristic | Value |
---|---|
Gross weight | 15.246 Kilogram |
Net weight | 15.246 Kilogram |
Volume | 26.754 Liter |
Characteristic | Value |
---|---|
EAN | 5702421809358 |
Proposition 65 | Cancer and Reproductive Harm |