Huanyu Oilless Diaphragm Vacuum Pump Oil Free Anticorrosive Pump 30L/Min Lab R&D For Filtration Extraction Apsorption 110V (Ordinary Type, GM-0.5A(Single Pump)) Review

[Details design] 1. Bearings-imported classic bearings, stable operation, low noise and high work efficiency. 2. The vacuum tube interface has good air tightness. 3. There is a fixed suction cup at the bottom, which has good stability. [Oil-free] No need for any working medium (no oil), no pollution, at the same time, the air exchange bin of this machine has built-in filter materials to ensure the purity of the air. [New materials & Special motors] 1. The production process adopts new technologies and materials, adopts a pressure-adjustable design, so that the work is smooth, which can meet the vacuum degree and gas flow rate within a certain range. 2. Our special motor has passed the CE certification, and is equipped with an overheating power-off protector, which will automatically cut off the power after the pump body temperature reaches 266°F to protect the motor from damage during long-term operation. [Durable] 1. Friction-free film-the use of frictionless film movement, no heat, no friction loss. And the diaphragm is made of imported rubber, which is corrosion resistant and has a long service life. 2. Automatic cooling--the machine body is equipped with an automatic cooling exhaust system, which can ensure continuous operation for 24 hours. [Worry-free after-sales service] Our vacuum pumps are small in size, light in weight, easy to move, save laboratory space, and are convenient for repair and maintenance. At the same time, we also provide a one-year quality warranty service and life-long professional after-sales service, so that you can shop without worries!