HFV系列真空泵油

Performance 1. Various models available for relative vacuum pumps. 2. Meet with the requirementsof different vacuum degrese and applications. 3. Perfect toam characteristic to reduce pump wear due to overflow and interruption of work fouid.Aplication1. HFV-22,32 for small single-stage pumps and less than 4liters.2. HFV-46for small single-stage pumps and less than 8 liters directional pumps.3. HFV-68,100 for vacuum pumps volume from 8 to 70 liters.4. HFV-150,100 for H150 slide valve pumps and large vacuum pumps.Typical dataItem/GradeSuperior productExperimental MetthodModel22324668100150220GB/T3141Kinematic viscosity(40°C),mm2 /s19.8 24.228.8 35.241.4 50.661.2 74.890 110135 165198 242GB/T265Viscosity index ≥90901051051059090GB/T2541Flash point(open cup),°C≥190200225240250250260GB/T267Pour point,°C ≤-12-12-12-9-9-9-9GB/T3535Demulsibility(40-40-0)ml,min54°C ≤82°C ≤10-10-10-15--20-20-30GB/T7305Foam characteristic (ml/ml)(Foam tendency /stability)24°C ≤93.5°C ≤Later24°C ≤100/075/0100/0100/075/0100/0100/075/0100/0100/075/0100/0100/075/0100/0100/075/0100/0100/075/0100/0GB/T12579Extreme pressure,kPaDifferential pressur≤Total pressure ≤2.0×10-52.0×10-42.0×10-52.0×10-42.0×10-52.0×10-42.0×10-52.0×10-42.0×10-52.0×10-42.0×10-52.0×10-42.0×10-52.0×10-4GB/T6306.2