Viking VK1021 Standard Response Pendent Sprinkler, K5.6
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Viking VK1021 Standard Response Pendent Sprinkler, K5.6
Viking VK1021 standard response standard spray pendent sprinkler (K5.6) for light, ordinary and extra hazard occupancies.
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Key specifications
| Type | Standard response standard spray pendent |
| K-factor | 5.6 US (80.6 metric, bar) |
| Thread | 1/2 in NPT or 15 mm BSPT; overall length 1-15/16 in (49 mm) |
| Temperature ratings | 135, 155, 175, 200 and 286 °F (57, 68, 79, 93, 141 °C); open version available |
| Max working pressure | 250 psi (17.2 bar) UL; 175 psi (12 bar) FM; factory test 500 psi; min 7 psi |
| Approvals | UL (VNIV; light, ordinary, extra hazard), FM (Classes 2017, 2015, 2043, non-storage) |
