... -M100 is suitable for sliding vane rotary vacuum pump and roots pump with volume flow rate of 4 Liter, esp. for refrigerating ... large pumpingHFV-M200 can be used for sliding vane rotary pump with volume flow rate from 5Liter to 30Liter ,esp. in ... color tube and illustration industryUsed in refrigeration, electro-vacuum, distillation, cryodesiccation,biology, ...