A standardized flange component for connecting outlet nozzles/ports with valves in industrial piping systems.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Face Type | Raised face (RF), flat face (FF), ring-type joint (RTJ) | |
| Surface Finish | 125-250 µin Ra for sealing surfaces | |
| Pressure Rating | 150-2500 PSI | |
| Temperature Range | -20°C to 400°C | |
| Bolt Hole Quantity | 4, 8, 12, or 16 holes | |
| Bolt Circle Diameter | Standardized per ASME B16.5 |
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
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A practical evidence checklist for RFQ preparation and supplier evaluation.
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Raised face flanges have a small raised section around the bore for gasket compression, while flat face flanges have full contact surfaces. RF is standard for higher pressure applications.
Select stainless steel (316 for chlorides) or apply protective coatings. Consider fluid chemistry, temperature, and pressure when specifying materials.
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