BASIC NAME VALVE NAME MODIFIER RELIEF POPPET TYPE AUXILIARY DRIVE WITHOUT AUXILIARY DRIVE MATERIAL BODY CARBON STEEL INTERNAL CARBON STEEL CONNECTION CARTRIDGE SEAT METAL/METAL OPENING PRESSURE 3 BAR MAXIMUM OPERATING TEMPERATURE 80 DEGREES CELSIUS ADDITIONAL REQUIREMENTS SEE NOTE REFERENCE WITH ERCIAL REXROTH-1,818,509,176 NOTE : – NOMINAL SIZE 16; – WORKS WITH SYNTHETIC HYDRAULIC FLUID, ORGANIC ESTER TYPE, ISO VG-46.