1800 Pennsylvania Ave. West Warren, PA 16365

1-800-831-7160 | info@bettsind.com

Non-ASME, 20″ Shallow Dish, 6 Hold Down, 43.5 psi MAWP, Model 8310
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  • HEAVY DUTY HINGES
  • THREADED HOLD-DOWNS
  • 4”, 6”, 10” HIGH COLLAR AVAILABLE
  • MANHOLES ARE CERTIFIED AND MARKED IN ACCORDANCE WITH 49CFR178.345-5

Tiona 20” Full Opening Manholes are fabricated for greater strength and less weight. Full 20 inch opening assures safe entrance for inspection or cleaning of tank. Extra heavy hinge pins and threaded swing bolts provide longer life and less maintenance.