1.  shape: stainless steel socket welding  flange
2. OD: 15mm-1500mm
3. pressure class: 150,300,600,900,1500,2500
4.  Material : ASTM A182 WP304,304L,316,316L,317, and so on.
5.  Application :petroleum, chemical industry, medicine, electric power, astronautics, war industry, fire prevention, metallurgy, shipbuilding, fuel gas, nuclear electricity, urban construction, hot-water heat and environmental protection etc.
6.  Standards : ANSI, DIN, JIS, BS, ISO, GB/T, JB, SH, HGS and so on
7. flange style :SO,WN,IF,SW,TH,SE,BL and so on
8. flange facing : RF,MF,FMF,FF,RJ,MFM,TG and so on