... conventional division conduit, simplify and save system equipment Y42XSD diaphragm valve products through the introduction of new technology, ... advanced level. Mainly by the diaphragm valve body, valve cover, compression spring, stem, diaphragm, cylinder liners, valve seats and ... . Is sensitive, fast, reliable performance, long service life. Diaphragm valve for operating temperature 0 °C ~ 90 °C water ...