- FULL REGULATORY COMPLIANCE WITH 46 CFR PART 39 PARAGRAPH 39-20-3(a)
The ERL Model SGMRD-8, 8” round marine sight glass complies with U.S. Coast Guard regulations and is suitable for use on all liquid cargo vessels. - ROUND 56 SQUARE INCH VIEWING AREA
Mounted adjacent to each cargo valve control handwheel, the ERL Model SGMRD-8 gives the tankerman a 56 square inch round viewing port into the compartment without exposure to potentially hazardous vapors. - RADIAL GLASS WIPER
Radial wiper cleans the bottom of the BOROFLOAT™ glass for an unobstructed view into the cargo compartment. The easily replaced wiper blades are available in Viton, Teflon, EPDM or Butyl. - 1/2 INCH THICK GROUND AND POLISHED BOROFLOAT™ GLASS
Each 8.5” diameter BOROFLOAT™ glass is fully stress relieved with ground edges. The top face of the glass is above the stainless steel frame to prevent water pooling when used during rain. - SOLID CONSTRUCTION AND EASY MOUNTING
The ERL Model SGMRD-8 is constructed from 300 series stainless steel and mounts to any standard 8” 150 lb. class mounting flange, having (8) 0.88” diameter holes on a 11.75” diameter bolt circle.
