Carbon Steel Socket Welding Flange, Technics : Forged

We are offering carbon steel socket welding flange.
1), description
the blind flange is a flange without a bore, it is used to close off the ends of a piping system and/or a pressure vessel opening, it also permits easy access to the interior of a line or vessel once it has been sealed and must be reopened.
2), blind flange pressure:
a). Astm b16.5:150lbs,300lbs,400lbs,600lbs,900lbs,1500lbs,2500lbs
b). Din:6bar,10bar,16bar,25bar,40bar,
c). Bs4504,pn2.5-pn440,bs10:table d,e,f,h,
d). Jis:5k,10k,16k,20k,30k
3), sizes:
1/2" to 200"
4), pressure:
150lbs to 3000lbs.