NORIS Sight Glass Fittings, circular, acc. to DIN 28120 to be welded directly to tank Bauform 120 Application: For observation and lightning the inside of closed containers ( boilers, tanks, silos a.s.o ) Operating conditions: Working pressure: Working temperature: 10 or 16 bar 150° or 280° C C Options: Sight Glass wiper Bauform 190 + 195 Spray washer Bauform 198 Safety double windows Bauform 126 + 120-D Sight glass light fittings Lined, Type B, acc. to DIN 28120 With O-ring-sealing (for vacuum) Special design acc. to customer Materials: Base- and coverflange Glass RSt 37-2, H II, C 22.8, 1.4541, 1.4571 or on request Soda lime glass acc. to DIN 8902 Borosilicate glass acc. to DIN 7080 Kingersil or on request Gaskets Screws/Nuts Steel 5.6 gal. / A2-70 / A4-70 Delivery includes: Complete fitting, consisting of base and cover flange, glass plate, gaskets and screws with nuts Certificate: ( Option ) Acc. to EN 10204-2.2 or Acc. to EN 10204-3.1 Dimensions: DN 25 40 50 80 100 125 150 200 PN 10 16 10 16 10 16 10 16 10 16 10 16 10 16 10 d1 d3 s D k h1 h 2 Screws 48 63 10 115 85 16 25 4 x M 12 65 80 12 150 110 16 30 4 x M 16 80 100 15 165 125 16 30 4 x M 16 100 125 200 160 20 30 8 x M 16 125 150 220 180 22 30 8 x M 16 150 175 250 210 25 30 8 x M 16 175 200 285 240 30 36 8 x M 20 225 250 340 295 35 36 8 x M 20 15 20 20 25 20 25 25 30 30 E120 09/07 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]