Viking Model F-1 Deluge Valve, Straight Through, 1-1/2 and 2 in (DN40, DN50)
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Viking Model F-1 Deluge Valve, Straight Through, 1-1/2 and 2 in (DN40, DN50)
Viking Model F-1 straight-through quick-opening deluge valve, 1-1/2 and 2 in, for deluge and preaction systems.
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Key specifications
| Sizes | 1-1/2 in (DN40) and 2 in (DN50) |
| Max working pressure | 250 psi (17.4 bar); factory test 500 psi |
| Approvals | cULus (VLFT, VLJH), FM (deluge, preaction, refrigerated area), NYC MEA 89-92-E Vol. XXXI, ABS, CE PED |
| End connections | NPT, BSP or grooved |
| Body and cover | Ductile iron 65-45-12 |
| Seat, clapper, clamp ring | Brass UNS-C84400 |
