Morrison Bros. Co. 178 Series Threaded Style Fill Cap

The 178 series tight seal threaded style fill cap is used for the fill port of small storage tanks. It is lockable with a padlock. The 178 iron caps are powder coated for a more durable finish.

The 178DT is made for a drop tube with 2” straight pipe threads and Buna-N gasket. The 178GSP is labeled “Gauge Stick Port.”

• Lockable with a padlock
• Vapor tight when properly secured

• Body: Brass (BB), or cast iron (IB) (powder coated black)
• Cap: Brass (BC), or cast iron (IC) (powder coated black)
• Gasket: Buna-N