Certificate
G4910037
Not system-bound
Viking Corporation
5150 Beltway Drive, SE
US 49316 Caledonia, MI
VdS 2100-09:2011-05 - Non-return valves, Requirements and test methods
Components for water extinguishing systems
"F-2"
Check valve
Eq. pipe l. 4.7 4.0 5.9 7.8 m
with pipe 88.9 114.3 168.3 219.1 mm
Updated at: 20.09.2026