The German independent testing and monitoring organization TÜV SÜD has certified that all One Seven built-in-systems of the 4th generation are compliant with the European standard DIN EN 16327:2014-07. Also the proportioners OSP-16i-AMP and OSP-32i-AMP which are used in these systems comply with the standard DIN EN 16327:2014-07. The standard describes proportioning systems and compressed air foam systems installed in fire engines to increase extinguishing efficiency.
