SANS 1123 Weld Neck Flange

SANS 1123 Weld Neck Flanges are designed for butt-weld connections in industrial piping systems. Manufactured to the applicable SANS 1123 requirements, they are available in different nominal sizes, pressure ratings, and facing types to meet project specifications.

Jinhang Pipeline provides carbon steel, stainless steel, alloy steel, and duplex stainless steel flange options for applications in oil and gas, petrochemical, power generation, and water treatment. Material grades, dimensions, and pressure ratings can be selected according to project requirements to ensure compatibility with the piping system.

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Technical Specifications

Item	Specification
Product Name	SANS 1123 Weld Neck Flange
Applicable Standard	SANS 1123
Flange Type	Weld Neck Flange
Nominal Size	DN10-DN2000
Pressure Rating	250 kPa-4000 kPa
Material	Carbon steel Rst37.2 ; s235JR;s275JR: P245GH; P250GH;A105 Stainless steel ASTM A182 F304/304L; F316/316L; F321; F51; Alloy steel ASTM A182 F11/F12/F22;
Connection Type	Butt Welding
Facing Type	Customization
Marking	Customization
Inspection	Customization

Available Materials

Material Category	Material Grades
Carbon Steel	Rst37.2 ; s235JR;s275JR: P245GH; P250GH;A105
Stainless Steel	ASTM A182 F304/304L; F316/316L; F321; F51;
Alloy Steel	ASTM A182 F11/F12/F22;

Manufacturing Standards

Jinhang Pipeline manufactures SANS 1123 Weld Neck Flanges in accordance with the applicable SANS 1123 requirements. Flange dimensions, pressure ratings, facing types, and material grades are selected to meet project specifications, supporting reliable fit and compatibility with industrial piping systems.

Quality control covers raw material verification, welding-end dimensions, flange machining, dimensional tolerances, and surface finish. These checks help ensure dimensional accuracy, consistent product quality, and reliable performance in demanding piping applications.

Applications

Oil and Gas Industry: Connecting pipelines for oil, gas, and process fluids.

Petrochemical Plants: Joining piping systems in chemical processing facilities.

Power Generation: Connecting industrial pipelines in power plants.

Water Treatment: Supporting pipeline connections in water supply and treatment systems.

Industrial Piping Systems: Connecting pipes, valves, and equipment in industrial facilities.

Engineering and Construction Projects: Meeting specified flange requirements for industrial piping installations.

FAQ

What is a SANS 1123 Weld Neck Flange?

A SANS 1123 Weld Neck Flange is a pipe flange designed for butt-weld connections in industrial piping systems, following the applicable SANS 1123 requirements.

What materials are available for SANS 1123 Weld Neck Flanges?

Available materials include carbon steel, stainless steel, alloy steel.

What pressure ratings are available?

Flange pressure classes are selected in accordance with SANS 1123. Different flange types and nominal sizes correspond to different available pressure classes. The specific specifications can be confirmed according to project requirements.

Can SANS 1123 Weld Neck Flanges be customized?

Yes, we can customize products based on customer-provided specifications, drawings, and project requirements.

Which industries use SANS 1123 Weld Neck Flanges?

These flanges are used in oil and gas, petrochemical, power generation, water treatment, and other industrial piping applications.

How can I order SANS 1123 Weld Neck Flanges?

Contact Jinhang Pipeline with your required size, pressure rating, material grade, quantity, and applicable specifications to request a quotation.

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