... Specification: 1/2"-6" HS Code: 73072300 Product name: Welded Straight Sight GlassMaterial quality: AISI304, AISI316L Standard: DIN/SMS/ISO/3A ... system Application: Pharmacy, beer, food, dairy, beverage, cosmetic, chemical industry Seal Ring: Silicon, EPDM etc.We can supply this sight glass ... your disposal for any other inquiry or question. Sanitary Welded Straight Sight Glass