Blind Flange With No Bolt Holes 1.Standard:ASME , API, AWWA, BS, DIN, ... ,EN 2.Size:DN15-DN2000 3.cs ss Blind Flange With No Bolt HolesFlanges Standards:American standards: ASME B16.5 / B16 ... the requirements. In addition to standard solutions outside, in accordance with the special requirements of customers to provide all of the ...