Inline Pressure & Vaccum Relief Valves For Tanks In-line pressure or vacuum relief valve - F 61.1 N | KITO Armaturen KITO Armaturen GmbH In-line pressure or vacuum relief valve - F 61.1 N | KITO Armaturen Smart Protection Redefined: In-line pressure or vacuum relief valve - F 61.1 N | KITO Armaturen Experience ultimate safety and efficiency with the In-line pressure or vacuum relief valve - F 61.1 N | KITO Armaturen. Designed for industrial use, this innovative valve offers essential protection for your systems by automatically balancing pressure levels.... View