Rekson made PTFE + EPDM Diaphragam have been designed specifically to improve better performance in applications requiring frequent steam cycles.These Diaphragm are used with a high performance Nylon reinforcement fabric and molded into finished diaphragm, Maximum working conditions recommended is + 125 Degree C .Most of the diaphragm was used in the valve seating area, were pressure, temperature, process media are in contact.