GUARD LEVEL® DUAL WIPER SIGHT GLASS (DWSG)

Product Details

(Click to enlarge image) The GUARD LEVEL® Dual Wiper Sight Glass (DWSG) series of powerful sight glasses provide visual aid and full-depth gauging on coastal tank barges assuring safe loading and prevention of tank overfills. With a 50-inch square viewing area, these sight glasses are vapor-tight and can be mounted on tank hatch domes or expansion trunks.

Naturally, they comply with CFR regulations for full depth manual tank gauging. When placed above the tank sumps, the sight glasses’ visual gauging aids in a tank’s stripping operation. Wiper elements of different types are available for petrochemical as well as chemical applications. The gas-free version is also available and incorporates a hinged design with a flame screen.