15x23 - 20 Bolt Series Oval - Manholes

UMCs complete line of multi-bolt manholes serves as a great inexpensive option for applications where frequent access is not required. Ideal for tank top covers, fuel and water tank access, inspection access to ship voids, barges, sanitary and digester tanks, clean outs and more. These water-tight manholes feature simple designs and utilize high strength steel.

UMC offers a complete line of manholes with configurations and hardware combinations to meet your requirements. These industry-standard manholes are used on workboats, and equipment worldwide. UMCs simply-designed manholes have served the industrial marine and fishing industries for the past 30 years.

FEATURES:

• High strength carbon steel construction
• Hardware combinations of dissimilar metal prevent galling and corrosion (Not available on all models - see Manhole Matrix for details) 
• High-quality neoprene rubber gaskets ensure water-tight seal (oil resistant Buna-N Optional) 
• Neoprene Gasket material is UV resistant to prevent cracking and memory fatigue 
• Flush screw-down models offer a smooth-surfaced manhole that prevents catching and snagging 
• Specialty features such as 3 NPT fill points and handles available on some models 
• Raised coamings available on certain models 

For more details about all of the manholes available please see the complete feature set matrix available on the technical drawing.