The NVM Series is designed for controlled multiple oiling from central location. Lubricant, (in reservoir of dispenser) individually metered at valve bank, travels to various points servicing hard to get at places, and eliminating individual oil cups. Easily disassembled for cleaning. Individual valves remove without disturbing other components. Gravity feed valves are furnished with a vented sight chamber, provided by a split in the gasket above the sight glass. Standard Features: Pressure units supplied with non-vented sight 2 to 8 feeds available Pressure Rating: Pressure applications up to 125 PSI (862 kPa) non-vented.