Sight Glasses The Acrylic Sight Glass (ASG) allows you to see at a glance the material flowing through your conveying system. It’s precision made by aligning the acrylic with the tube or pipe to insure smooth material flow with no turbulence. A stainless steel ground strip is included to eliminate static build up. The ASG is easy to install in new or existing lines by using two Couplings. • Tube or pipe ends are made of carbon steel or aluminum. Stainless or Galvanized are available upon request. • Wall Thickness: Tube - 16, 14 &11 Gauge Pipe - Schedule 5, 10, 40 & 80 • Overall Length is 16˝ • 7˝ Viewing Area Special sight glasses are available upon request View Catalog