... ,SMS,ISO,IDF 1000p/week,sanitary stainless steel threaded butterfly valve sanitary stainless steel threaded butterfly valve1)Material : AISI304, AISI304L ... inquired or actuator for your wide use.8)Butterfly valve body and disk were all out from full machined, ... type,often opening type is pneumatic or manual typeWenzhou Yuanyu Mechanical Co., Ltd. is a professional manufacturer of high-precisionhygiene ...