Reverse Flange Manway

RFM (4)

Product Description


Designed for use on double wall, jacketed or composite UST or AST tanks. Made of 1/4″ mild steel, exterior welds are finished to accommodate containment jacket membranes or composite applications. Frame Cylinder is consistent in diameter from top to bottom for easy installation.

Sump Separation set and Lid Isolation set sold separately.

Download Specs Sheet

Additional Information


24″ OD 18″ ID (1 Row Studs), 30″ OD 24″ ID (1 Row Studs), 36″ OD 24″ ID (2 Row Studs), 36″ OD 24″ ID W 5/6″ Lid, 42″ OD 36″ ID (1 Row Studs)


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544 Reverse Flange Manway

SKU: 0544-09-3626. Categories: , .