PRESSURE RATINGS Available up to ANSI 600 Class. (Model shown is standard 200 PSI WOG rated version.) Standard steel/SS flanged sight glass is 200 PSI (1378 KpA) CWP (maximum temp 200°C). The iron body sight glass (screwed and flanged) is only rated to 100 PSI (700 Kpa) but 1000 Kpa is available on request. APPLICATIONS Water, oil water, air and gas. If mica glass or borosilicate glass is fitted then saturated steam up to 230 PSI at 200°C can be accommodated. For corrosive/abrasive fluids check material grade for compatibility, this is purchaser’s responsibility and if for such an application you must state in writing. LININGS Special linings,coatings on request. END CONNECTIONS Available in screwed ends (NPT, BSP) and flanged in drilling to suit BS Table D & E, DIN/JIS,ANSI 125, 150 (our standard model is not full ANSI class 150 rated). Model SLSG125CI (iron) Model SLSG150CS (steel) Model SLSG150SS (S/S) SIGHT GLASS FLANGED & SCREWED PAGE 97 11 SIGHT GLASS BODY SEAL: TEFLON CAP GLASS GLASS FLOW INDICATOR FLAPPER (OPTIONAL EXTRA) L, L1, L2 B DN D C, C1 DIMENSIONS (MM) FLANGED SIGHT GLASS 150LB Size (MM) 15 20 25 40 50 65 80 100 150 200 Size (Inch) 0.5 0.75 1 1.5 2 2.5 3 4 6 8 L 130 130 130 166 180 230 240 260 390 600 L1 135 135 160 174 200 245 270 320 420 L2 145 170 200 220 270 310 350 480 B 89 98 108 127 152 178 191 229 280 343 D 60 70 89 98 120 140 152 191 241 298 C 32 39 43 50 60 80 80 110 160 160 * C1 40 50 50 65 80 104 125 125 175 175 WT. Kg 3 4 5 8 10 14 19 25 45 70 * Reduced glass size option shown (C1) DIMENSIONS (MM) FLANGED SIGHT GLASS 300LB Size (MM) 15 20 25 40 50 65 80 100 150 200 Size (Inch) 0.5 0.75 1 1.5 2 2.5 3 4 6 8 L 149 149 175 191 219 289 289 337 543 568 B 95 117 124 156 165 191 210 254 318 381 D 67 83 89 114 127 149 168 200 270 330 C 32 32 35 51 54 81 81 108 159 159 WT. Kg 5 5 9 12 17 32 32 68 122 159 600LB available up to 80NB 3”, refer to drawing.