Full Opening ASME & Non-ASME Manholes Cover Page and Part Number Code
Non-ASME, 20″ Shallow Dish, 4 Hold Down, 5 psi MAWP, Model 8327
Non-ASME, 20″ Shallow Dish, 6 Hold Down, 43.5 psi MAWP, Model 8310
Non-ASME, 20″, 6 Hold Down, 50 psi MAWP, Model 8355
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ASME, 20″, 6 Hold Down, 50 psi MAWP, Model 8350
ASME, 20″, 8 Hold Down, 100 psi MAWP, Model 8380
ASME, 20″ Flange Style for Lined Tanks, 8 Hold Down, 50 psi MAWP, Model 8205
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