Tanktop Gauge Hatch
8″ gauge hatch with MB valve shown; MMC gauge hatches are also available in sizes ranging from 4″ to 12″
Below: Typical Dimensions Required for U/B Type Vapor Valve
Print out this form to your printer, complete it with the
appropriate dimensions and fax to MMC at 516-371-3134
U/MB Valve Hatch
The MMC U/B type vapor control valve is custom-designed to fit directly into existing ullages of non-standard sizes. Installation does not require any hot work.