ANSI loose flanges are designed for industrial piping systems that require flexible flange alignment and convenient installation. Manufactured to applicable ASME B16.5 requirements, they are available in nominal sizes from 1/2" to 24" and various pressure classes, subject to size and material specifications. They are suitable for piping applications in the oil and gas, petrochemical, chemical processing, and power generation industries.
Jinhang Pipeline supplies ANSI loose flanges in carbon steel, stainless steel, and alloy steel. Available materials include ASTM A105/A105N, A694 F42–F70, A350 LF1/LF2, A182 F304/304L, F316/316L, F321, F11, F12, and F22. Material selection and flange specifications can be tailored to project requirements to support reliable connections in industrial piping systems.
| Item | Specification |
|---|---|
|
Product Name |
ANSI Loose Flange |
|
Applicable Standard |
ASME B16.5 |
|
Nominal Size |
NPS 1/2"–24" |
|
Pressure Class |
Class 150–Class 2500 |
|
Material Category |
Material Grades |
|---|---|
|
Carbon Steel |
ASTM A105/A105N, ASTM A694 F42–F70, ASTM A350 LF1/LF2 |
|
Stainless Steel |
ASTM A182 F304/304L, F316/316L, F321 |
|
Alloy Steel |
ASTM A182 F11, F12, F22 |
Jinhang Pipeline supplies ANSI loose flanges manufactured in accordance with applicable ASME B16.5 requirements for dimensions, pressure-temperature ratings, materials, and flange tolerances. Available materials include carbon steel, stainless steel, and alloy steel grades specified by relevant ASTM standards to meet different industrial piping requirements.
Quality control focuses on material verification, dimensional accuracy, flange facing, and surface condition to support reliable assembly and service performance. Flange size, pressure class, material grade, and connection requirements are selected according to project specifications to ensure compatibility with the intended piping system.
Oil and Gas Industry: Used in pipeline systems for transporting oil, gas, and related fluids.
Petrochemical Plants: Suitable for process piping and fluid transfer systems.
Chemical Processing: Used in piping systems handling various industrial chemicals, subject to material compatibility.
Power Generation: Applied in industrial piping networks for water, steam, and other process media.
Water Treatment: Used in water supply, treatment, and distribution pipelines.
Industrial Manufacturing: Suitable for process piping systems requiring convenient flange rotation for bolt-hole alignment and maintenance.
What standard do ANSI loose flanges follow?
ANSI loose flanges can be supplied to applicable ASME B16.5 requirements, depending on flange type and specifications.
What sizes are available for ANSI loose flanges?
We supply ANSI loose flanges in nominal sizes from 1/2" to 24", subject to product specifications.
What materials are available?
Available materials include carbon steel, stainless steel, and alloy steel, such as ASTM A105, A182 F304/316, A694, and A350 grades.
What pressure classes are available?
Pressure classes include Class 150, 300, 400, 600, 900, 1500, and 2500, subject to size, material, and applicable standard requirements.
Can ANSI loose flanges be customized?
Yes. We can customize flange specifications based on customer-provided drawings, material requirements, dimensions, and project needs.
What are ANSI loose flanges used for?
They are used in oil and gas, petrochemical, chemical processing, water treatment, and other industrial piping systems.
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