Bronze flanges are used where bolted connections must resist corrosion, match bronze valves or pumps, or operate in sea water. A correct specification depends on more than the bore size.
Checklist
- Governing standard or drawing (dimensions, drilling, facing).
- Pressure class and operating temperature – verify; none is published here.
- Material grade and any lead restriction.
- Mating flange, gasket and bolting materials for galvanic compatibility.
- Connection type: bolted, threaded, solder or braze.
- Inspection and documentation requirements.
Material selection
C83600 covers general water service, C92200 steam and valve service, aluminum and nickel-aluminum bronzes (C95400, C95500, C95800) are used for demanding and marine service, and C89833 for lead-restricted systems.
Send your standard, size and quantity or a drawing to start a technical review.
General information only. Verify grades, properties and specifications against the current standards and your project requirements before relying on this article.