Class 125 Forged Carbon Steel Blind, Flat-Face Flange
Class 125 Forged Carbon Steel Blind Flat-Face Flange
The Class 125 Forged Carbon Steel Blind Flat-Face Flange provides a strong, durable solution for closing and isolating flanged openings in commercial and industrial piping systems. Featuring solid forged carbon steel construction and a flat-face sealing surface, this blind flange is ideal for terminating piping runs, closing equipment connections, and providing removable access to compatible piping systems.
Forged Carbon Steel Construction
Manufactured from forged carbon steel, this Class 125 blind flange offers excellent mechanical strength, toughness, and long-term durability. The forging process produces a dense, uniform structure capable of handling demanding piping loads when the flange is properly specified and installed.
Forged carbon steel blind flanges are commonly used in industrial processing, manufacturing, utilities, mechanical piping, water systems, power facilities, chemical processing, and general industrial piping applications.
Class 125 Blind Flange Design
A blind flange has no center bore and is designed to completely close a flanged pipe end, valve connection, equipment nozzle, or unused system opening. Its solid construction creates a secure closure while retaining the convenience of a removable bolted connection.
Blind flanges provide convenient access for system isolation, pressure testing, inspection, cleaning, maintenance, piping modifications, and future system expansion.
Flat-Face Flange Construction
The flat-face (FF) design provides a gasket seating surface extending across the flange face without the elevated sealing area found on a raised-face flange. Flat-face construction can be used when connecting to compatible flat-faced valves, pumps, fittings, and other piping equipment.
Proper gasket selection, bolt loading, and mating-flange compatibility are essential for achieving a dependable seal and avoiding excessive stresses on connected components.
Class 125 Flange Selection
The Class 125 designation should be verified against the applicable dimensional and pressure standard, because Class 125 products may differ from standard forged-steel ASME pressure classes.
When ordering a Class 125 forged carbon steel blind flat-face flange, verify nominal pipe size, actual flange class, carbon steel specification, flat-face configuration, dimensional standard, bolt pattern, gasket requirements, bolting, temperature, and service conditions for proper industrial piping compatibility.