Non-Pressure Manholes
Knappco Non-Pressure Manholes are available in four sizes: 16", 20", 24" and 30". Depending on their construction (carbon steel or stainless steel) they are rated for storage use in industrial, agriculture and silo applications. A variety of entry and locking options are offered for added operational versatility.
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Contact Us for Technical Support on Your Projects and Resolving Any Technical Issues You Encounter
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