Self Priming PumpsLiquid Primed Self Priming Pumps. Liquid Primed Self Priming Pumps have their own in-built or separate liquid reservoir (known as “Priming Chamber”) that must be filled with liquid in order ...Compressed Air Primed Self Priming Pumps. ...Vacuum Primed Self Priming Pumps. ...Precautions for Self Priming Pumps. ...
Wenzhou Defu Machinery Co., Ltd. was founded in 2012 dedicated to pump research & development, manufacturing and sales, with our main product line including centrifugal pumps, air operated diaphragm pumps, mixed flow pumps, rotary lobe pumps and other pump types.
Defu acquired Shanghai Y&L Pump Factory, SELE Pump in the past few years, and founded Fuding Cornell E-Pump Manufacture in 2019, further enhancing our manufacturing capability.
Our production base spans nearly 5,000 square meters, and we are equipped with several CNC machine tools such as a 63T horizontal CNC machine center for one-stop machining of pump body, including turning, boring, drilling, milling and other processes, allowing for high precision. Our company has a maximum monthly output of 1500 high quality pumps due to several CNC machines and 3-coordinate measuring machine.
Defu has established an integrating performance testing center for finished pumps, where all parameters are examined precisely, including the maximum flow rate, maximum head, shaft power, NPSH (net positive suction head), bearing temperature rise, noise and vibration and more to ensure each pump has the highest possible quality.
Our products have been successfully exported to the United States of America, Australia, New Zealand, Thailand, Indonesia, South Africa, Kenya and other countries, earning significant praise from our clients. Our mission is to provide you the highest quality product and best service, and we would sincerely like to thank you.