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Morrison Bros 178 Threaded Style Fill Cap


Designed for tank filling applications where a tight fill connection is not required.  Adaptor permanently threads onto riser pipe of fill nipple, cap threads onto adaptor.

Standard Features

Lockable with a padlock

Vapor tight when properly secured

Construction Details

  • Body: Brass (BB), or cast iron (IB) (powder coated black)
  • Cap: Brass (BC), or cast iron (IC) (powder coated black)
  • Gasket: Buna-N
Weight 2.5 lbs
Dimensions 4 × 4 × 4 in

2", 3", 4"

Cap Material

Brass, Aluminum, Iron

Body Material

Brass, Aluminum, Iron