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Titanium Special Flanges: Orifice, Long Weld Neck and Reducing
2026-08-11
Orifice, long weld neck and reducing flanges serve different piping functions. They should not be selected only from outside diameter or pressure class.
Quick Comparison
| Type | Main function | Critical order data |
|---|---|---|
| Orifice flange | Differential-pressure measurement connection | Type, taps, plate, bore, class and line data |
| Long weld neck | Extended hub/nozzle-style connection | Overall length, neck profile, bore and weld end |
| Reducing flange | Connect flange size to a smaller line or bore | Both sizes, transition, hub and flow direction |
Material and Dimensions Are Separate
ASTM B381 may govern titanium forging material. ASME B16.36, ASME B16.5 or an approved drawing may control particular dimensions. The purchase order must identify each applicable document and revision.
Select the Correct Special Flange
Compare Titanium Orifice Flange, Titanium Long Weld Neck Flange and Titanium Reducing Flange.
Related Reading
Orifice Flange RFQ Guide · Long vs Standard Weld Neck · Reducing Flange RFQ Guide