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The Belimo H6125S lift valve for precise flow control in heating and HVAC systems, featuring a robust cast iron body and flanged connection for reliable operation. More information
Out of stock - can be requested
| Connection size | DN 125 |
| Connection Type | Flange |
| Flow | 220 m3/h |
| Lift | 40 mm |
| Max. water temperature | 5...150 °C |
| Pressure | PN 16 |
| Type of valve | Two-way valve |
| Weight | 5.00 kg |
Data sheet EN download
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Installation guide download
Download PDFThe Belimo H6125S 2-way lift valve with flanged connection is designed for continuous control in closed water and steam HVAC systems. It features an equal percentage flow characteristic and very tight closure for stable and precise control.
The body made of grey cast iron EN-GJL-250 with a stainless steel interior and PTFE V-seal shaft ensures long service life even at media temperatures of 5...150 °C. The valve can be mounted from vertical to horizontal position (not with the shaft downwards).
| Designation | H6125S |
| DN | 125 |
| Kvs | 220 m³/h |
| Cone Stroke | 40 mm |
| Nominal Pressure | PN 16 |
| Medium | Water, steam; water with glycol (up to 50% vol.) |
| Medium Temperature | 5...150 °C |
| Characteristic | Equal percentage (optimized in the opening range) |
| Tightness | ≤ 0.05% Kvs |
| Pipe Connection | Flange, ISO 7005-2 |
| Body Material | EN-GJL-250 (GG 25) with protective coating |
| Internal Parts | Closure body / seat / shaft: stainless steel; shaft seal: PTFE V-ring |
| Mounting Positions | Vertical to horizontal; not with the shaft downwards |
| Note on Δp | Max. differential/closing pressure according to the selected actuator; do not exceed the values for the given actuator |
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