... 4)DIN,SMS,,IDF,3A,RJT 1000/week,sanitary stainless steel screw butterfly valve sanitary stainless steel screw butterfly valve1)Material : AISI304, AISI304L, AISI316, ... of pipeline: DN25-DN200& 1''-8''applied to the stainless steel pipeline system4)Connection: threaded5)Certificate:ISO9001:20006)Application : ... free to contact us for further information sanitary stainless steel screw butterfly valve