NORIS Sight Glass Fittings Rectangular to be welded directly to tank Bauform 220 Application: To show surface of a liquid, for insertion into attachments to tanks, vessels and silos. Operating conditions: Temperature : Pressure: 243° ( Saturated steam or hot water i n C direct contact ) 16 bar Option: are available on request Materials: Welding pad Cover Screws Glass Gaskets WN 1.4571 WN 1.4571 RSt 37-2 WN 1.4571 RSt 37-2 RSt 37-2 A4-70 8.8 vz 8.8 vz Borosilicate glass DIN 7081, reflex Asbestos free ( or other materials ) Mounting instruction: After welding please exanimate if sealing area is plane. Otherwise re-machining is necessary. Caution: Before putting the fitting into operation, the strength of the cutout reinforcement in combination with the vessel wall should be checked in accordance with TÜV leaflet B9 ( AD Merkblatt B 9 ) Example for an order: Sight Glass Fitting Rectangular Bauform 220 Welding pad WN 1.4571; Cover RSt 37-2 370 x 70 mm Dimensions: Complete length* 170 220 250 310 370 500 620 740 930 Sight length 120 170 200 260 320 Number of screws 8 * By length 500 to 740mm there are 10 12 2 glasses 14 / 16 570 690 880 50 Sight interrupted 450 50 50 2 x 50 24 28 32 42 by length 930mm there are 3 glasses E220 03/09 Modification reserved NORIS ARMATUREN Burkenstein GmbH & Co. KG Puscherstrasse 3 D-90411 Nürnberg Telefon: +49 (0) 911 / 52 150 63 Telefax: +49 (0) 911 / 52 24 40 Internet: Noris-Armaturen.de E-Mail: [email protected]