The installation universality of A105 blind plate BL flange:
If different standards of different countries are adopted, the standard number of blue and French shall be clearly indicated. In fact, after careful comparison, the various standards are different. Some standards, such as chemical industry flange European system and flange, under the same DN, when DN is less than 100 mm, its outer diameter, number of threaded holes and size are the same as those of flange, so they can be widely used in automatic control specialty. If the project pressure rating is 1.6 MPa, the instrument pressure rating is pressure class 2. 0 MPa, if Hg 20592-97 European system is adopted, it can be completely matched as long as the withstand voltage level allows. The general parameters of flange under common pressure level need to consult relevant literature.
