... valve Material quality: AISI304, AISI304L, AISI316, AISI316L Standards: DIN, SMS, ISO, IDF, RJT, 3A, etcSpecification:DN15-200 and 1" - 8"Handle: pulling handle ... operation by the driving gear or manual operation by the handle Three drive forms: Normally closed, normally opened and opened ... separately. Medium: Beer, Dairy, Beverage, Pharmacy. Welded Butterfly Valve (with Plastic Multiposition Handle)