Vacuum pump controls the input and output of the diaphragm, forms the actuation mechanism after the impulse to boost the alternative movement of the piston, and pushes the diaphragm back and forth through the hydraulic pressure to work to vacuum and unload the This diaphragm pump can reach a flow rate of 0.4-1L / min, and is suitable for a prolonged working time below 3 bar. Small size, strong structure and long service life. Chemical stability, could withstand dry rotation, durable and maintenance free. Applications: Widely used in instruments and equipment, medicine and chemical industry, appliances and other fields. We strive to offer you the highest quality product and best customer experience; if you are not completely satisfied, please feel free to contact us at any time., Weight: 0.4850169764 pounds, Manufacturer: FTVOGUE