316L valve body and corrosion resistant diaphragm. non stuffing siructure. throltle element are lastic

diapht agm and smooth flow channel of valve body, 80 the pneumatic diaphtag m valve has the advantages

of small neg elive force. large low, no leakage, c onvenient and rllable, freproot end explosion- prool, and

widely applicable lo strong acid. strong alkali, slrang corrosion and high vioosily in industrial automaion

system. The now legulalion of media containing spikelels, fibers and toxic and non polluting media.