About this item

• Two-Stage Rotary Vane Pump: by using a two-stage rotary vane structure to compress and exhaust gas step by step, it achieves a higher ultimate vacuum with high pumping efficiency, stable operation, and reliable performance
• R32 Explosion-Proof & Refrigerant Compatible: equipped with an R32 explosion-proof function; ideal for repairing air conditioning systems; compatible with a variety of A1 refrigerants including R134A, R410A, R12, R22, and R502, as well as A2L refrigerants
• Oil Backflow Protection: features a solenoid valve which effectively prevents oil backflow, thus protecting the equipment
• Pump Oil Required (Not Included): please note that the set does not include pump oil, which can be purchased separately; vacuum pump oil with a viscosity of 68 or 100 (preferred)
• Wide Range of Applications: widely used in laboratory experiments, research, vacuum packaging, refrigeration maintenance, wine degassing, and thermoplastic molding, providing a reliable vacuum source for filtration, desiccation, solid phase extraction, and more