Product Description Product name: Three Way Diaphragm Valve(new design) Model: 20314 Material quality: AISI304, AISI316L Standard: 3A/DIN/SMS/ISO/IDF Flux domination of pipeline: DN10-DN50&3/4"-2", applied to the stainless steel pipeline system Working principle: Remote-controlled operation by the driving gear or manual operation by the handle Three drive forms: Normally closed, normally opened and opened & closed by two air flues separately. Medium: Beer, Dairy, Beverage, Pharmacy Donjoy can supply this diaphragm valve with weld end, clamp end, thread end connection. Requiring more detail information or catalog pls don't hesitate to contact us. For all our products, Donjoy can also produce according to ur drawing if ur Specification is out of our standard.