ERL MODEL SGMRD-8™
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 both top and bottom of the PYREX™ glass for an unobstructed view into the cargo compartment. The easily replaced wiper blades are available in Viton, EPDM or Butyl.
1/2 INCH THICK GROUND AND POLISHED PYREX™ GLASS
Each 8.5" diameter Pyrex™ 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
All construction is 100% 300 series stainless steel. The SGMRD-8 mounts to any standard 8" 150 lb. class mounting flange, having (8) 0.88" diameter holes on a 11.75" diameter bolt circle.