278 di swing check valve products are offered for sale by suppliers on Alibaba.com, of which check valves accounts for 84%, valves(old) accounts for 5%, and butterfly valves accounts for 1%.
A wide variety of di swing check valve options are available to you, such as normal temperature, medium temperature and high temperature.You can also choose from stainless steel, alloy and carbon steel di swing check valve,as well as from red di swing check valve