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Flange Type & Face Selector Home – Flanges – Flange Type Selector Flange Type & Face Selector Answer four questions — get a starting recommendation per ASME B16.5 engineering practice 1. Does the line see pressure cycling or vibration? Yes — cyclic / pumps / compressors / turbines No — mostly static pressure 2. Pressure & temperature severity High pressure / high temp (Class 600+) Moderate (Class 150–300) Low pressure / utility 3. Service media Corrosive / sour / chloride Clean hydrocarbon / steam / water 4. Special requirement None / standard run Frequent dismantling for cleaning Sealing a line end or nozzle No hot work permitted (Ex area) Flow metering tappings needed Engineering Recommendation Weld Neck Flange Face: Raised Face (RF) — Request a forged quote for this flange → Note: Guidance only — final selection must be confirmed against ASME B16.5 / B16.47, the project specification, and the gasket design. Synbase forges all eight types in carbon, stainless, and special alloy.