Explosion-proof lamp sight glass

Product name: Sight glass with flanged ends

1) Standard: DIN/SMS/ISO/3A/IDF
2) Material quality: AISI304, AISI316L
3) Specification: 1/2"-4", DN25-DN100
4) Structure: Straightway, cross(cross pipe fittings sight glass, cross ball type sight glass), one way model(welding sight glass/union sight glass)
5) Seal Ring: Silicon, EPDM, etc.
6) Glass: Boronizing silicon glass/toughened glass
7) Application: Pharmacy, beer, food, dairy, beverage, cosmetic, ect
8) Brand: TEYE, OEM is welcome