Author: MillsForge

Lap Joint Flange

December 2, 2025

Lap Joint Flanges (LJ flanges) are commonly used in piping systems that require frequent disassembly, servicing, or alignment adjustments. Known for their two-piece design — a forged backing flange paired with a Lap Joint Stub End — LJ flanges offer outstanding flexibility during installation and are widely used in stainless steel, corrosion-resistant, and sanitary applications.

Read More »

Socket Weld Flange

December 2, 2025

Socket Weld Flanges (SW flanges) are widely used in small-diameter, high-pressure piping systems, especially where superior leakage integrity and excellent fatigue performance are required. Known for their structural strength and clean internal weld profile, SW flanges are commonly used in high-pressure steam, chemical processing, hydraulic systems, instrumentation lines, and refinery services.

Read More »
slip on flange

Slip On Flange

December 2, 2025

Slip On Flanges (SO flanges) are one of the most commonly used flange types in general-purpose piping systems. Known for their simple structure, easy installation, and low manufacturing cost, SO flanges are widely applied in low- to medium-pressure pipelines across industries such as water treatment, HVAC, chemical processing, and fire-fighting systems.

Read More »

Weld Neck Flange

December 1, 2025

Weld Neck Flanges (WN flanges) are one of the most widely used flange types in modern piping systems, especially where high pressure, high temperature, or cyclic loading is involved.

Read More »
CRA Alloys Explained

CRA Alloys Explained

November 30, 2025

Discover Corrosion-Resistant Alloys (CRA) including stainless steel, duplex, nickel-based alloys, and titanium. Learn their properties, grades, and applications in oil & gas, seawater, sour service, and downhole tools.

Read More »
ASME B16.47 FLANGES

ASME B16.47 Class 300 Series A Flange Dimensions

November 20, 2025

ASME B16.47 Class 300 Series A flanges are standardized large-diameter flanges designed for medium-to-high pressure piping systems. Typically ranging from NPS 26″ to 60″, these flanges are widely used in petrochemical plants, offshore platforms, power generation, and large water or gas pipelines.

Read More »
ASME B16.5 Flanges

ASME B16.5 Class 2500 Flange Dimensions

November 20, 2025

ASME B16.5 Class 2500 flange dimensions refer to the standardized geometric measurements defined by the ASME B16.5 specification for flanges with a pressure rating of Class 2500.
This is the highest pressure class included in ASME B16.5 for NPS ½” to 24″ flanges.

Read More »
ASME B16.5 Flanges

ASME B16.5 Class 1500 Flange Dimensions

November 20, 2025

ASME B16.5 Class 1500 flanges offer robust performance for high-pressure and high-temperature applications. With thicker bodies, stronger bolting, and RTJ sealing options, they are essential for demanding industries such as oil & gas, petrochemical, offshore, and power generation.

Read More »
ASME B16.5 Flanges

ASME B16.5 Class 900 Flange Dimensions

November 20, 2025

ASME B16.5 Class 900 flanges are designed for high-pressure and high-temperature piping systems used in oil & gas, petrochemical, offshore, and power generation industries.
The Class 900 pressure rating represents one of the higher levels within the ASME B16.5 standard, offering significantly greater strength compared with Class 150, 300, and 600 flanges.

Read More »
Scroll to Top

Request a Quote

Tell us your material, product, dimensions, quantity, and specifications. Our team will review your requirements and respond accordingly.