With individually lockable outlets to the respective consumers. Prescribed in enclosed spaces. With fixing eyes. According to EN 1949, newly registered vehicles must have an earthed gas pipe system. In an emergency, this grounding must be able to dissipate the current that meets the gas. For this reason, the valve blocks with compression fittings are additionally equipped with an earthing connection. 10 mm access, 3 shut-off valves on average 8 mm.