A manway is a large access opening in a reflux drum for inspection, cleaning, and maintenance.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Size | DN 500 to DN 600 (typical) | |
| Bolting | Stud bolts with nuts | |
| Cover Type | Blind flange or hinged door | |
| Flange Standard | ASME B16.5 | |
| Pressure Rating | 150 psi to 300 psi (standard) | |
| Temperature Range | -20°C to 400°C |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
A vessel in a distillation column system that collects condensed overhead vapor and returns a portion as reflux to the column.
A pressure vessel that contains water/steam and facilitates heat transfer from combustion gases or heating elements to generate steam.
The main pressure vessel that contains the liquid to be concentrated under vacuum conditions in an evaporator system.
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To allow safe personnel entry for internal inspection, cleaning, and maintenance while ensuring pressure integrity when sealed.
Using a gasket compressed between the flange and cover by bolting, following ASME standards for pressure-tight joints.
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