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GN201
GN201 Grate Nozzle
The “GN201” grate nozzles are designed to protect aircraft hangars. They are available with a 360°, 180°, or 90° discharge pattern and 26ʺ, 20ʺ and 555 mm widths to meet design requirements. The nozzles are installed flush with the floor of the protection area within the trench drain. The companion trench drain grate is specially engineered to receive the grate nozzle and serve as a cover for the drain trench.
The grate nozzle assembly includes nozzle + trench grate + “X” frame support package.
GN201 The “GN201” grate nozzles are designed to protect aircraft hangars. They are available with a 360°, 180°, or 90° discharge pattern and 26ʺ, 20ʺ and 555 mm widths to meet design requirements. The nozzles are installed flush with the floor of the protection area within the trench drain. The companion trench drain grate is specially engineered to receive the grate nozzle and serve as a cover for the drain trench.
The grate nozzle assembly includes nozzle + trench grate + “X” frame support package.
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Product Variants
- SAP number F21995
- K factor nominal 11,9
- K factor metric 170
- Connection Grooved
- Size 2″/DN50
- Finish Flame red RAL3000
- Main material Grate: Cast ductile iron | Nozzle: Stainless steel
- Style Fixed
- Nominal flowrate 294 @ 3 bar
- SAP number F22017
- K factor nominal 11,9
- K factor metric 170
- Connection Grooved
- Size 2″/DN50
- Finish Flame red RAL3000
- Main material Grate: Cast ductile iron | Nozzle: Stainless steel
- Style Fixed
- Nominal flowrate 294 @ 3 bar
- SAP number F21947
- K factor nominal 6,4
- K factor metric 91
- Connection Grooved
- Size 2″/DN50
- Finish Flame red RAL3000
- Main material Grate: Cast ductile iron | Nozzle: Stainless steel
- Style Fixed
- Nominal flowrate 157 @ 3 bar
- SAP number F21994
- K factor nominal 6,4
- K factor metric 91
- Connection Grooved
- Size 2″/DN50
- Finish Flame red RAL3000
- Main material Grate: Cast ductile iron | Nozzle: Stainless steel
- Style Fixed
- Nominal flowrate 157 @ 3 bar
- SAP number F22016
- K factor nominal 6,4
- K factor metric 91
- Connection Grooved
- Size 2″/DN50
- Finish Flame red RAL3000
- Main material Grate: Cast ductile iron | Nozzle: Stainless steel
- Style Fixed
- Nominal flowrate 157 @ 3 bar
- SAP number F21949
- K factor nominal 23,3
- K factor metric 333
- Connection Grooved
- Size 2″/DN50
- Finish Flame red RAL3000
- Main material Grate: Cast ductile iron | Nozzle: Stainless steel
- Style Fixed
- Nominal flowrate 576 @ 3 bar
- SAP number F21996
- K factor nominal 23,3
- K factor metric 333
- Connection Grooved
- Size 2″/DN50
- Finish Flame red RAL3000
- Main material Grate: Cast ductile iron | Nozzle: Stainless steel
- Style Fixed
- Nominal flowrate 576 @ 3 bar
- SAP number F21948
- K factor nominal 11,9
- K factor metric 170
- Connection Grooved
- Size 2″/DN50
- Finish Flame red RAL3000
- Main material Grate: Cast ductile iron | Nozzle: Stainless steel
- Style Fixed
- Nominal flowrate 294 @ 3 bar
- SAP number F22018
- K factor nominal 23,3
- K factor metric 333
- Connection Grooved
- Size 2″/DN50
- Finish Flame red RAL3000
- Main material Grate: Cast ductile iron | Nozzle: Stainless steel
- Style Fixed
- Nominal flowrate 576 @ 3 bar
| SAP number | K factor nominal | K factor metric | Connection | Size | Finish | Main material | Style | Nominal flowrate |
|---|---|---|---|---|---|---|---|---|
| F21995 | 11,9 |
170 |
Grooved |
2″/DN50 |
Flame red RAL3000 |
Grate: Cast ductile iron | Nozzle: Stainless steel |
Fixed |
294 @ 3 bar |
| F22017 | 11,9 |
170 |
Grooved |
2″/DN50 |
Flame red RAL3000 |
Grate: Cast ductile iron | Nozzle: Stainless steel |
Fixed |
294 @ 3 bar |
| F21947 | 6,4 |
91 |
Grooved |
2″/DN50 |
Flame red RAL3000 |
Grate: Cast ductile iron | Nozzle: Stainless steel |
Fixed |
157 @ 3 bar |
| F21994 | 6,4 |
91 |
Grooved |
2″/DN50 |
Flame red RAL3000 |
Grate: Cast ductile iron | Nozzle: Stainless steel |
Fixed |
157 @ 3 bar |
| F22016 | 6,4 |
91 |
Grooved |
2″/DN50 |
Flame red RAL3000 |
Grate: Cast ductile iron | Nozzle: Stainless steel |
Fixed |
157 @ 3 bar |
| F21949 | 23,3 |
333 |
Grooved |
2″/DN50 |
Flame red RAL3000 |
Grate: Cast ductile iron | Nozzle: Stainless steel |
Fixed |
576 @ 3 bar |
| F21996 | 23,3 |
333 |
Grooved |
2″/DN50 |
Flame red RAL3000 |
Grate: Cast ductile iron | Nozzle: Stainless steel |
Fixed |
576 @ 3 bar |
| F21948 | 11,9 |
170 |
Grooved |
2″/DN50 |
Flame red RAL3000 |
Grate: Cast ductile iron | Nozzle: Stainless steel |
Fixed |
294 @ 3 bar |
| F22018 | 23,3 |
333 |
Grooved |
2″/DN50 |
Flame red RAL3000 |
Grate: Cast ductile iron | Nozzle: Stainless steel |
Fixed |
576 @ 3 bar |
Additional part numbers might be available. Please refer to the technical documentation or contact your local Viking sales office for more information.
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