DV-KV-3080
Fully welded-body ball valve with butt-weld ends for buried district heating lines.
The fully welded body leaves no leak path. Stem extensions and street boxes are available on request.
| Nominal size | DN 50–200 |
|---|---|
| Pressure rating | PN 25 |
| Operating temperature | −10 … +150 °C |
| Body material | Steel P235GH (1.0345) |
| Closing element | Stainless steel AISI 316 (1.4401) |
| Seat and seal | Reinforced PTFE (RPTFE) |
| Stem | Stainless steel 1.4021 |
| Connection | Butt-weld ends |
| Flange standard | — |
| Face-to-face standard | — |
| Design standard | EN 488 |
| Testing standard | EN 12266-1 |
| Operation | Gearbox with handwheel |
| Media | Hot water and heating water, Water |
| Coating | Primed steel surface for buried lines |
| DN | Inch | L (mm) | Weight (kg) | Kv (m³/h) |
|---|---|---|---|---|
| DN 50 | 2" | 230 | 8 | 300 |
| DN 80 | 3" | 280 | 18.6 | 768 |
| DN 100 | 4" | 300 | 27.9 | 1,200 |
| DN 150 | 6" | 350 | 57.8 | 2,700 |
| DN 200 | 8" | 400 | 97 | 4,800 |
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2014/68/EU
Valves classed as pressure equipment are designed to this directive and made under notified body supervision. For the buyer, the valve can legally enter the EU market, and the declaration of conformity ships with it.
2014/68/EU
CE is not a certificate but the manufacturer's declaration. On these valves it is applied under the PED, together with the notified body number. Small valves that fall under Article 4.3 of the PED carry no CE marking.
Steam, superheated water, thermal oil and district heating lines.