... ,20,25,35,40,507) Working Pressure: 0~0.7MPa8) Max. Proof Pressure: 1MPa for NC, 0.8MPa for NO9) Seal Material: NBR or ... TypeOperation Fluid Viscosity20CST BelowWorking Pressure2W:1.0/2WH:3.5Max. Pressure ResistanceAir 0~0.7, Water 0~0.5,Oil,0~0.5Operating Temperature Range-10~80 ...