Stainless Steel Threaded Flanges – Class 150, ANSI B16.5, Raised Face

These Stainless Steel Threaded Flanges are manufactured to ANSI/ASME B16.5 standards and feature an NPT threaded (screwed) connection, allowing for quick and leak-tight installation without welding. Designed with a Raised Face (RF) for compatibility with standard gaskets, these flanges are ideal for low-pressure applications where welding is impractical. Constructed from high-grade stainless steel, they offer excellent corrosion resistance and are suitable for use in chemical, food-grade, and water service piping systems. Available in sizes approximately 1" to 1½", and pressure rated to Class 150, these flanges are widely used for threaded valve connections, temporary setups, and compact piping assemblies.

Specification:

– Product Type: Threaded (Screwed) Flange
– Connection Type: NPT (National Pipe Thread – Tapered)
– Material: Stainless Steel (grade to be confirmed, e.g., A182 F304/F316)
– Face Type: Raised Face (RF)
– Pressure Rating: ANSI Class 150
– Standard: ANSI/ASME B16.5
– Size Range: Approximately 1" to 1½" (DN 25 to DN 40)
– Surface Finish: Machined with polished or pickled finish
– Application: Non-welded piping systems, threaded valve and equipment connections
– Typical Uses: Water lines, chemical service, food & pharma plants, temporary piping
– Bolt Holes: As per B16.5 bolt circle dimensions
– Installation: Threaded onto male NPT pipe fittings
– Testing: Pressure and dimensional testing (as per manufacturer’s QC)
– Country of Origin: To be confirmed from markings
– Color: Natural stainless steel finish
– Markings: Heat number, size, pressure class, material grade stamped on OD
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