Class 300 Forged Carbon Steel Slip On, Raised-Face Flange
Class 300 A105/SA-105 Slip-On Raised-Face Flange
The Class 300 ASTM A105 / ASME SA-105 ASME B16.5 Forged Carbon Steel Slip-On Raised-Face Flange provides a durable and practical connection for industrial pressure piping systems. Combining forged carbon steel construction, convenient slip-on installation, and a raised-face sealing surface, this flange offers dependable performance for a wide range of commercial and industrial piping applications.
ASTM A105 / ASME SA-105 Forged Carbon Steel
Manufactured from ASTM A105 / ASME SA-105 forged carbon steel, this Class 300 slip-on flange provides excellent mechanical strength, toughness, and durability. A105/SA-105 is widely specified for pressure-containing piping components used throughout oil and gas, petrochemical processing, refineries, power generation, chemical processing, manufacturing, utilities, and industrial process piping systems.
The Class 300 designation represents an ASME pressure class rather than a maximum working pressure of 300 PSI. Actual allowable pressure depends on material, operating temperature, flange size, and applicable pressure-temperature ratings.
Slip-On Flange Design
A slip-on flange has a bore that allows the flange to slide over the outside diameter of the connecting pipe. This design simplifies positioning and alignment before welding. The pipe is typically set back from the flange face and secured with fillet welds according to applicable fabrication and welding requirements.
Slip-on flanges provide an economical, versatile solution for many appropriate industrial piping installations.
Raised-Face Flange Construction
The raised-face (RF) flange features an elevated gasket seating area surrounding the bore. Concentrating bolting force over this smaller gasket surface helps establish a dependable seal between compatible mating flanges.
Manufactured to applicable ASME B16.5 requirements, Class 300 A105/SA-105 slip-on flanges provide standardized dimensions, bolt patterns, facing requirements, and pressure-temperature ratings.
When ordering, verify nominal pipe size, Class 300 rating, raised-face configuration, A105/SA-105 material, ASME B16.5 dimensions, gasket selection, and service conditions to ensure proper fit, reliable sealing, and dependable industrial piping performance.