Application
When using more than one cylinder at a conjointly pipework a check valve is to be used with each cylinder between cylinder and pipework or manifold. This prevents that extinguishant gets to not operated valves or escapes unaimed with dismounted cylinders.
Marking
manufacturer/year (MX/xx), type, nominal diameter (DN50),
working pressure (PB 60), approval sign (VdS, CE), serial number
Dịch
