Viking Model F-1 Dry Pipe Valve, 3 to 6 in (DN80 to DN150)
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Viking Model F-1 Dry Pipe Valve, 3 to 6 in (DN80 to DN150)
Viking Model F-1 latching differential dry pipe valve for dry pipe sprinkler systems.
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Key specifications
| Sizes | 3, 4, 6 in (DN80, DN100, DN150) |
| Max water working pressure | 175 psi (12.1 bar); factory test 350 psi with clapper open |
| System air pressure | Must never exceed 60 psi (4.1 bar) with clapper closed |
| Approvals | cULus (VPZV), FM, NYC MEA 89-92-E Vol. 22 (LPCB, CE and VdS removed in this revision) |
| End connections | Flange x flange (ANSI or PN10/16); flange x groove (89, 114, 165, 168 mm) |
| Housing | Ductile iron |
