Viking Model J-1 Alarm Check Valve, 3 to 8 in (DN80 to DN200)
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Viking Model J-1 Alarm Check Valve, 3 to 8 in (DN80 to DN200)
Viking Model J-1 alarm check valve for wet pipe sprinkler systems, available flange x flange, flange x groove or groove x groove.
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Key specifications
| Sizes | 3, 4, 6, 8 in (DN80 to DN200) |
| Max working pressure | 300 psi (20.7 bar) cULus, FM, LPCB; 250 psi (17.2 bar) NYC MEA, VdS, CE |
| Approvals | cULus (VPLX), FM, ABS, NYC MEA 89-92-E Vol. XI, LPCB, VdS (DN80 to DN200), CE (EN 12259-2) |
| End connections | Flange x flange (ANSI Class 150, PN10/16); flange x groove; groove x groove |
| Body | Ductile iron ASTM A536 65-45-12 |
| Clapper | Teflon-coated HR steel with EPDM rubber |
