Viking VK510 ESFR Pendent Sprinkler, K25.2
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Viking VK510 ESFR Pendent Sprinkler, K25.2
Viking VK510 early suppression fast response (ESFR) pendent sprinkler (K25.2) for high-piled storage protection.
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Key specifications
| Type | ESFR pendent, specific application |
| K-factor | 25.2 US (363 metric, bar) |
| Thread | 1 in NPT or 25 mm BSPT; overall length 3-3/16 in (81 mm); deflector 1-3/4 in (44.5 mm) |
| Temperature ratings | 165 °F (74 °C) and 205 °F (96 °C), depending on part number |
| Max ceiling temperature | 100 °F (38 °C) at 165 °F; 150 °F (66 °C) at 205 °F |
| Max working pressure | 175 psi (12 bar); factory test 500 psi |
