b'SIGHT GLASS / FLOW INDICATORSIGHT GLASS / FLOW INDICATOR - MODEL SLSGBILL OF MATERIALS (SCREWED AND FLANGED UNITS)Components Iron CF8 SS *2 CF8M SS *2 Cast SteelBody FC20 CF8 or 304 CF8M or 316 Carbon SteelWindow Bonnet/Cap *3 FC20 CF8 or 304 CF8M or 316 Carbon SteelGlass Glass Borosilicate Borosilicate BorosilicateBolting Steel S/S S/S Steel or B7Sight Indicator Flapper *1 Steel S/S S/S SteelGasket Non Asbestos Teflon Teflon Teflon or Spiral Wound*1 Optional, can also be supplied with a nylon ball on request.*2 Can also be equivalent grade i.e. SCS13, SCS14.*3 In smaller sizes the cover is usually screwed.Model SLSG Model SLSG(32~50 NB) (15~25 NB)GASKET: TEFLON GLASSC, C1 BONNET/CAP(SCREW INOR BOLTED)FLOW INDICATOR FLAPPERDN DBODYL, L1, L2 BONNET/CAP SLSG-SLF3GLASS *1 (SCREW IN Up to 50 NB 3000 PSI (20 Bar) availableOR BOLTED)DIMENSIONS SCREWED SIGHT GLASSES (MM)Size (mm) 10/15 20 25 32 40 50Size (inch) 0.5 0.75 1 1.25 1.5 2 L 112 112 112 145 145 168L1 180 113 120 125 135 145L2 120 120 138 150 150 180 D 70 90 90 120 120 140 C 24 30 30 42 42 55C1 40 50 50 65 65 80WT. Kg 1.5 2 2 4 4 6.5* 1 Available in short, regular & long pattern FLOWTURN - Strainers and Sight Glasses 5'