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HERZ pressure-independent control valve in flanged design
| Code | Description |
|---|---|
| F400662 | HERZ pressure-independent control valve flanged DN 50 |
| F400663 | HERZ pressure-independent control valve flanged DN 65 |
| F400664 | HERZ pressure-independent control valve flanged DN 80 |
| F400665 | HERZ pressure-independent control valve flanged DN 100 |
| F400666 | HERZ pressure-independent control valve flanged DN 125 |
| F400656 | HERZ pressure-independent control valve flanged DN 125 HF |
| F400667 | HERZ pressure-independent control valve flanged DN 150 |
| F400657 | HERZ pressure-independent control valve flanged DN 150 HF |
| F400668 | HERZ pressure-independent control valve flanged DN 200 |
| F400658 | HERZ pressure-independent control valve flanged DN 200 HF |
| F400648 | HERZ pressure-independent control valve flanged DN 200 UHF |
| F400669 | HERZ pressure-independent control valve flanged DN 250 SF |
| F400659 | HERZ pressure-independent control valve flanged DN 250 HF |
SKU: F400662
Details
| Feature | Details |
|---|---|
| Max. Operating Pressure | 16 bar (PN 16), 25 bar (PN 25) |
| Differential Pressure Across Restrictor | 0.2 bar |
| Min. Operating Temperature | -20 °C (frost protection) |
| Max. Operating Temperature | 130 °C |
| Type of Connection | Flanged (EN 1092-2) |
| Valve Body Material | GG 25 (PN 16), GGG 40.3 (PN 25) |
| Gasket Material | FPM (ISO1629) |
| Cones, Stem, Seat Material | WN1.4057, WN1.4404, WN1.4021 |
| Impulse Tube Material | WN1.4301 |
| Diaphragm Material | EPDM |
| Water Purity Standard | In accordance with ÖNORM H 5195 and VDI 2035 |
| Glycol Compatibility | Ethylene and propylene glycol can be mixed to 25–50 vol.% |



