Flow direction & closure
Define flow rate, installation orientation and allowable pressure loss. Include reverse-flow conditions and the required closing behaviour.
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| Available Sizes | DN15-DN300 |
|---|---|
| Connection Type | Flanged |
| Pressure Rating | PN16 · PN25 · PN40 |
| Size | DN15 · DN20 · DN25 · DN32 · DN40 · DN50 · DN65 · DN80 · DN100 · DN125 · DN150 · DN200 · DN250 · DN300 |
| Body Material | Carbon Steel · SS304 · SS316 |
| Disc Material | SS316 + Stellite · SS420 |
| Seat Material | SS304 · Stellite |
| Working Temperature | Confirm for selected body, trim and pressure |
| Reference Model | H41 DIN lift check |
Catalogue options. Operating limits depend on the selected size, materials and configuration.
Flanged lift check valve for automatic non-return service in process or steam pipework. Select body, disc and seat materials for the medium and pressure-temperature conditions, and confirm installation orientation and pressure loss.
Applications: Steam control
For technical documentation or assistance with your selection, contact Nordic Valves.
Reference: H41 DIN lift check
DIN H41 lift-check family, PN16/25/40. Source dimensions, Kv and mass cover DN15-DN300. The selectable size range is limited to these documented rows.
| Class | Nominal MPa | Shell test MPa | Seat test MPa |
|---|---|---|---|
| PN16 | 1.6 | 2.4 | 1.8 |
| PN25 | 2.5 | 3.8 | 2.8 |
| PN40 | 4 | 6 | 4.4 |
Values retain the rounding used in the published check-valve table.
| DN | L mm | H mm | Kv | PN16 kg | PN25 kg | PN40 kg |
|---|---|---|---|---|---|---|
| 15 | 130 | 65 | 5.7 | 2.4 | 3.5 | 3.8 |
| 20 | 150 | 70 | 7.8 | 3 | 4.4 | 4.9 |
| 25 | 160 | 80 | 11.8 | 3.8 | 5 | 5.9 |
| 32 | 180 | 85 | 17.9 | 5.7 | 6 | 7.1 |
| 40 | 200 | 90 | 27.5 | 7.4 | 8 | 10.4 |
| 50 | 230 | 95 | 48 | 10.3 | 11 | 12.3 |
| 65 | 290 | 110 | 77.6 | 15.2 | 16 | 22.7 |
| 80 | 310 | 130 | 109 | 20.4 | 21 | 28.5 |
| 100 | 350 | 155 | 168 | 31 | 32 | 40 |
| 125 | 400 | 165 | 251 | 49 | 51 | 64 |
| 150 | 480 | 215 | 389 | 69 | 70 | 90 |
| 200 | 600 | 280 | 664 | 132 | 136 | 170 |
| 250 | 730 | 305 | 1017 | 198 | 218 | 240 |
| 300 | 850 | 330 | 1446 | 278 | 330 | 370 |
Kv is reproduced as the source flow-coefficient value; no steam-flow capacity is inferred. Selectable sizes are limited to the published DN15-DN300 range.
Bellows-sealed valves, strainers, check valves and steam traps for steam supply and condensate return lines.
Explore application guidanceDefine flow rate, installation orientation and allowable pressure loss. Include reverse-flow conditions and the required closing behaviour.
Provide the steam pressure and temperature, including start-up conditions. For condensate service, include the load and downstream pressure so the duty can be reviewed.
Listed body options: Carbon Steel · SS304 · SS316. seat or seal options: SS304 · Stellite. Match the selected combination to the medium and operating temperature.
Include the operating conditions in your enquiry. Add your medium, pressure, temperature and documentation requirements alongside the selected options.
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