BASIC NAME VALVE NAME MODIFIER RELIEF TYPE POPPET AUXILIARY ACTIVATION WITHOUT AUXILIARY OPERATION MATERIAL BODY STEEL CARBON INTERNAL CARBON STEEL CONNECTION CARTRIDGE SEAT METAL/METAL OPENING PRESSURE 2.5 BAR MAXIMUM OPERATING TEMPERATURE 80 DEGREES CELSIUS ADDITIONAL REQUIREMENTS SEE REFERENCE OBS COMER CIAL REXROTH-1.818. 509,303 NOTE: – NOMINAL SIZE 25; – WORKS WITH QUINTOLUBRIC QUAKER 888-46 HYDRAULIC FLUID. – SEALING FKM