Pneumatic diaphragm pumps are used widely in the national economy. A “weak” component of such air operated diaphragm pump is the diaphragm, upon which depends the duration of continuous operation of the pump. The service life of the diaphragm depends on the design and materials of the diaphragm, temperature, and corrosiveness of the pumped medium.

Our double diaphragm pump with Longer life time Diaphragm.

Material: Hytrel from Dupont, Santoprene from Exxon, PTFE from Dakin and Saint-Gobain etc.

Design: Increase the height of the diaphragm's arch portion, ensure to reduce the force to the diaphragm edge portation and avoid the diaphragms been pull out. Center place with O-ring design, enhance seal performance.

DEFU Diaphragm Material And Operating Temperature Limitation

DEFU is the main and professional diaphragm pump manufacturer in China. Our company have CE and ISO9001 certificate. Any inquiry, pls feel free to contact with Ms Cindy， Email: sales9@defupump.com, Whatsapp:+86-18957752760.