About products and suppliers
144 boss flange products are offered for sale by suppliers on Alibaba.com, of which pipe fittings accounts for 44%, flanges accounts for 11%.
A wide variety of boss flange options are available to you, such as iso, din and gb.You can also choose from stainless steel, custom and carbon steel boss flange,as well as from connect, industrial, and pipeline boss flange,And whether boss flange is standard, {2}, or {3}.