U.S. PATENT NO. 5,284,105

• FULL COMPLIANCE WITH 46 CFR PART 39, Para. 39-20-3(a)

  The FULL VIEW Model SGM-1 Marine Sight Glass is the tank barge industry standard for vessel operators complying with U.S. Coast Guard Regulations 46 CFR PART 39, Paragraph 39.20-3(a) and is suitable for use on ABS classed vessels.

• FULL 59 SQ. IN. OF VIEWING AREA

  Mounted adjacent to each cargo compartment control valve, the FULL VIEW Model SGM-1 provides the largest and clearest view into your cargo compartment available with a full 59 square inches of viewing area, without exposing personnel to hazardous vapors.

• EASILY REPLACED WIPER BLADES

  Dual wipers clean the cargo side of the PYREX™ glass. The wiper blades are easily replaced in the field, and are available in a variety of materials for maximum cargo compatibility. The FULL VIEW Model SGM-1 is available with Teflon™, EPDM and Viton wiper blade refills.

• 3/4" THICK GROUND AND POLISHED PYREX™ GLASS

  PYREX™ is a name you know and trust. Each glass is fully stress relieved with ground edges and radiused corners. Four built-in drain ports in the top glass flange prevent water pooling on the glass when the full weather cover is open.

• SOLID CONSTRUCTION AND EASY MOUNTING

  The upper and lower glass flanges are made of 1-1/2" thick stainless steel. The weather cover is made of cast aluminum and the standard deck mounting flange is made of carbon steel for easy weld-down to your deck. Both the deck mounting flange and the weather cover can be replaced by optional stainless steel components.