Rectangular Manway with Linked Closure Frame

A rounded rectangular manway with a solid cover and a linked closure frame spanning the opening. The exact drawing lists five rectangular sizes, 304/316L frame and cover options, and a silicone gasket.

Frame and cover options	304 / 316L stainless steel
Tank connection	Welding
Opening form	Rounded rectangle
Closure assembly	Linked frame with top nut and swing bolt
Drawing sizes	435×335; 411×531; 431×531; 415×535; 435×535 mm
Illustrated gasket	Silicone perimeter gasket

Size

Request a quote View specifications

A linked frame over a solid cover

The rounded rectangular cover is paired with a frame spanning the opening. The drawing identifies the bracket, top nut and swing bolt as separate parts, together with front and rear supports. This linked arrangement is a useful identification feature when comparing it with a single straight closure arm.

Frame, cover and perimeter seal

The illustrated frame and cover have 304 or 316L stainless steel options, and the perimeter gasket is silicone. The cover, seal and collar form a matched geometry, so replacement parts should be compared against the same assembly. The broader seal choices listed for the series require a matching profile and material selection.

Five rectangular size rows

Five size entries are shown: 435×335, 411×531, 431×531, 415×535 and 435×535 mm. The drawing gives L1 and L2 separately from those size names, along with H, t and t1. Compare the complete row and drawing orientation before setting the tank opening or replacing an existing frame.

Installation layout and access

The tank interface is a welding connection. Reserve space around the closure frame and its operating end so nearby equipment does not obstruct access. During routine maintenance, inspect the gasket seating area and visible closure components for wear or damage, and select replacement parts by the exact manway dimensions.