Stainless Steel Blind Flange 1) Specification: 1"-4", DN25-DN100 2) Standard: DIN, ANSI ... beverage, cosmetics ANSI B16.5 Class150,300,600,900,1500(WN,SO,BL,TH,LJ,SW)DIN2573,2572,2631,2576,2632 ... ,2633,2543,2634,2545(PL,SO,WN,BL,TH)AISI 304 316 stainless steel pipe fittings1. Size ... & Expanded & Stepped & Circulard)CAPS(End Caps, Blind Caps) Sanitary blind flange