BOLA Flat Flange Lids, DN 100 Center neck: NS 29/32 lateral necks: 3x NS 29/32BOLA Flat Flange Lids Suitable for reaction vessels with SCHOTT flat flange, with center neck socket NS 29 32, lateral necks with ground joint sockets or GL thread. Bottom side with centring collar for non slipping alignment on the vessel. All lateral connectors are made to insert tubing, tubes and probes either aside the center or vertical (parallel to the stirrer shaft) in order to avoid collisions. Abmessungen: Flat flange DN 100 Lateral necks NS