VFG 21, PN 16, DN 20, 6.3 m³/h, Flange
065B2503
VFG21 PN16 20/6,3 2-way flange flow/ret
065B2503
产品规格
特性 | 值 |
|---|---|
| Cavitation factor | 0.60 |
| Cavitation factor 100% | 0.41 |
| Cavitation factor 25% | 0.69 |
| Cavitation factor 50% | 0.62 |
| Cavitation factor 75% | 0.60 |
| China RoHS compliance | Out of scope |
| Contains batteries | No |
| DG Indicator Profile | Not relevant for dangerous goods |
| Differential pressure range [bar] [Max] | 16.00 bar |
| EU RoHS compliance | Out of scope |
| Flow characteristic | Linear optimized |
| Kvs values [m³/h] | 6.30 m³/h |
| Leakage through port max. [% Kvs] | 0.01 |
| Material Description | VFG21 PN16 20/6,3 2-way flange flow/ret |
| Media pH [Max] | 10 |
| Media pH [Min] | 7 |
| Medium alternative | Glycolic water up to 30% |
| Mounting version | Free |
| Number of ports | 2 |
| Permissible media | District heating/cooling circulation water |
特性 | 值 |
|---|---|
| Pressure class | PN 16 |
| Pressure nominal [bar] | 16 bar |
| Product line | District Energy Controls |
| REACH Candidate List substances | Lead (CAS no. 7439-92-1) |
| Sealing material | EPDM |
| Spindle position | Normally open |
| Stroke [mm] | 6.00 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 20 |
| 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 20/6,3 2-way flange flow/ret |
| 產品群組 | Pressure flow controllers |
| 產品類型 | VFG 21 |
| 直徑 [mm] | 20 mm |
| 連接類型 | Flange |
一般规格
特性 | 值 |
|---|---|
| 總重 | 6.85 千克 |
| 淨重 | 6.63 千克 |
| Volume | 11.93 公升 |
特性 | 值 |
|---|---|
| EAN/UPC | 5702421804209 |
| Proposition 65 | Cancer and Reproductive Harm |