... butterfly valve Material:AISI304 , AISI316L Specification:DN15-200 Standard:ISO, DIN, 3A, etc Maximum:1.0Mpa Technical parametersbutterfly valve(stainless steel butterfly ... valve,sanitary butterfly valve)Material:AISI304 , AISI316LSpecification:DN15-200&0. ... . OEM is welcome too. Staniless steel sanitary butterfly valve (BLS)