134 duplex stainless steel butterfly valve products are offered for sale by suppliers on Alibaba.com, of which butterfly valves accounts for 64%.
A wide variety of duplex stainless steel butterfly valve options are available to you, such as normal temperature, medium temperature and high temperature.You can also choose from stainless steel, alloy and aluminum alloy duplex stainless steel butterfly valve,as well as from black duplex stainless steel butterfly valve