High quality and best price, your first choice kinds of sizes available Standards: ISO, DIN, SMS, IDF OEM Service ... SUS304, SUS316L3) Flux domination of pipeline: DN25-150 and 1" - 6"4) Standards: ISO, DIN, SMS, IDF 5) Working principle: Remote-controlled operation by ... or FPM7) Three drive forms: Normally closed, normally opened and opened and closed by two air flues separately Item No. Min. ...