DV-SV-1025
Metal-seated gate valve with a cast steel body for steam and superheated water lines.
Stellite-faced seats and a flexible wedge give a tight shut-off up to 400 °C. The rising stem shows the valve position from outside.
| Nominal size | DN 50–250 |
|---|---|
| Pressure rating | PN 25, 40 |
| Operating temperature | −10 … +400 °C |
| Body material | Cast steel GP240GH (1.0619) |
| Closing element | Stainless steel 1.4021 |
| Seat and seal | Stellite-faced metal seat |
| Stem | Stainless steel 1.4021 |
| Connection | Flanged |
| Flange standard | EN 1092-1 |
| Face-to-face standard | EN 558 Series 15 |
| Design standard | EN 1984 |
| Testing standard | EN 12266-1 |
| Operation | Handwheel |
| Media | Steam, Hot water and heating water, Oil and fuel |
| Coating | Heat-resistant aluminium paint |
| DN | Inch | L (mm) | Weight (kg) | Kv (m³/h) |
|---|---|---|---|---|
| DN 50 | 2" | 250 | 18 | 520 |
| DN 80 | 3" | 280 | 41.9 | 1,331 |
| DN 100 | 4" | 300 | 62.7 | 2,080 |
| DN 150 | 6" | 350 | 130 | 4,680 |
| DN 200 | 8" | 400 | 218.3 | 8,320 |
| DN 250 | 10" | 450 | 326.2 | 13,000 |
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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.