Material: Stainless Steel (304, 304L,316, 316L and etc) Size: 1/2"-8"(DN15-200) Standard: ISO, 3A , DIN, SMS, IDF,RJT , etc ... at Sight.09Delivery time: 20 days. 10Our products are corrosion and high-temperature resistant.11Special design available , we can develop certain ... production according to your drawing. Butterfly Valve with high quality and competitive price