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Desuperheating device
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Superheated steam desuperheater nozzle series
| DSH type | W15 type | W16-C type | W12 type | W16-H type | W08-B type | W08-A type | W10 type | W15-C type |
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| Feature | One-piece construction with no additional control valves, multi-stage CV with six or nine nozzle configurations, high pressure class | The variable area nozzle is used to adapt to the change of flow rate | Fixed area nozzles, with one or two nozzles, suitable for stable flow conditions | Large injection volume, can be configured with multiple nozzles, can be directly welded with the main steam pipeline | Venturi type flow passage for small steam pipes | Venturi-type runner, especially suitable for small differential pressure, low flow | Double venturi tube design, improve atomization efficiency, to ensure the minimum wall erosion, the best efficiency | Suitable for LNG temperature adjustment, it can handle the injection of cryogenic medium within -196° C |
| Max pressure level | ANSI 2500 | ANSI 2500 | ANSI 2500 | ANSI 2500 | ANSI 600 | ANSI 2500 | ANSI 600 | ANSI 600 |
| Nozzle form | Variable nozzle | Variable spring assist | Fixed | Variable spring assist | Fixed | Fixed | Fixed | Variable nozzle |
| Max adjustable ratio | 50：1 | 30：1 | 6：1 | 25：1 | 15：1 | 7：1 | 20：1 | 50：1 |
| Close to the temperature | 7°C | 7°C | 7°C | 7°C | 6°C | 5°C | / | / |
| Max differential pressure (water and steam) | 60Bar | 25Bar | 30Bar | 25Bar | 30Bar | 40Bar | 60Bar1 | 60Bar1 |
| Min differential pressure (water and steam) | 1~2Bar | 3~6Bar | 1.5Bar | 3~6Bar | 3Bar | 0.5Bar | 0.5Bar | 1~2Bar2 |
| Max water injection/upstream steam flow | 20% | 20% | 15% | 35% | 15% | 20% | 50%3 | 50%3 |
| Size of steam pipe at installation | 3”，4” | 2”~ 8” | 2”~ 4” | 8”~ 40” | 1.5”~ 4” | 3”~ 20” | 3”，4” | 3”，4” |
| Water piping size | 1”~ 3” | 1”~ 3” | 1”~ 1.5” | 1”~ 6” | 1/2”~ 1” | 1/2”~ 3” | 1”~ 3” | 1”~ 3” |
| Connection type | Flange、Weld | Flange | Flange | Flange、Weld | Butt clamp、Weld | Butt clamp、Weld | Flange、Weld | Flange、Weld |
| Distance from sensor | 10~20m | 10~20m | 10~15m | 10~20m | 8~10m | 5~7m | 8~12m | 8~12m |
| Min downstream straight pipe length requirement | 4m or 5DN | 5m or 6DN | 4m or 5DN | 5m or 6DN | 3m or 20DN | 2m or 15DN | 4m or 5DN | 4m or 5DN |
| Max water flow | 50m3/h | 65m3/h | 25m3/h | 350m3/h | 5m3/h | 40m3/h | 50m3/h | 50m3/h |
How to contact us?
Hangzhou Meiya Power Generation Equipment Co., Ltd.
Telephone:0571-88230868 0571-88230780
E-mail：0571my@chinamy-power.com
Company address: No. 1418, Metrology Building, No. 252 Wantang Road, Xihu District, Hangzhou City
Production Base: Anhui Meiguan Fluid Control Co., Ltd
Address: No.3, Real Estate Road, East District, Guangde Development Zone, Guangde City, Anhui Province
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