Hydac Filter Systems GmbH

OLS

measuring equipment, namely, pressure and viscosity sensors for use in hydraulic and fuel systems in industrial equipment and vehicles, electrical switches for use in hydraulic and fuel systems in industrial equipment and vehicles; clogging indicator like visual and electrical differential pressure indicators in the nature of pressure indicators;stationary and mobile dewatering apparatus for removal of water from hydraulic oils, thin gear oils and fuels including diesel fuels specially designed for use in oil and gas filters for dewatering and coalescing machines and vehicle engines; dewatering apparatus, namely, water separators; machines for coalescing and filtering, in particular for joining water droplets to form large droplets and separating the latter from fluids, by means of gravity; oil and fuel filters; prefilters in the nature of oil and fuel filters; coalescing tanks in the nature of machines for coalescing; pumps for machines, motor pump units in the nature of pumps as parts of motors other than for land vehicles; heaters being parts of machines; pressure switches as parts of machines;