Weld Neck Flanges

Weld Neck Flanges

Vandan Alloys is a manufacturer, supplier, stockist and exporter of Weld Neck Flanges, designed for reliable connections in industrial piping systems and pressure applications. Our Weld Neck Flanges are available in different materials, sizes, pressure classes, facing options and specifications to meet diverse industrial requirements.

Weld Neck Flange Types

We manufacture and supply Raised Face Weld Neck Flanges (WN RF), Flat Face Weld Neck Flanges (WN FF) and Ring Type Joint Weld Neck Flanges (WN RTJ).

Flanges can be supplied with standard or customized bore dimensions, bolt-hole drilling, thickness and facing as per customer drawings and technical requirements.

Weld Neck Flange Specifications

Material: Stainless Steel, Carbon Steel, Alloy Steel, Duplex, Super Duplex, Nickel Alloys, Inconel, Monel, Hastelloy, Titanium and other specified materials

Common Standards: ASME B16.5, ASME B16.47 and applicable international standards

Pressure Classes: Class 150, 300, 600, 900, 1500 and 2500

Size Range: 1/2“ to 24” and larger sizes as required

Facing: RF, FF and RTJ

Bore: Standard or customer-specified bore

Drilling: Standard or customized bolt-hole drilling

Inspection: Visual, dimensional and additional inspection as required

Documentation: EN 10204 Type 3.1 Material Test Certificate

Special Requirements: Custom dimensions, bore, drilling, facing and configurations available

Weld Neck Raised Face Flanges

Weld Neck RF Flanges are commonly used where a strong and dependable flange connection is required. The tapered hub and butt-weld connection provide a suitable arrangement for many high-pressure and high-temperature piping systems.

Weld Neck Flat Face Flanges

Weld Neck FF Flanges are supplied for applications where a flat-face connection is specified. Dimensions and drilling are manufactured according to the applicable standard and customer requirements.

Weld Neck RTJ Flanges

Weld Neck RTJ Flanges are designed for applications requiring a ring-type joint sealing arrangement. They are available in selected pressure classes and sizes according to applicable specifications.

Materials Available

Vandan Alloys supplies Weld Neck Flanges in:

Stainless Steel 304 / 304L

Stainless Steel 316 / 316L

Stainless Steel 321 / 347 / 310 / 310S / 904L

Carbon Steel A105

Alloy Steel F11 / F22

Duplex 2205

Super Duplex 2507

Monel 400

Inconel 625

Nickel 200 / 201

Alloy 20

Hastelloy

Titanium

Other grades as required

Applications

Weld Neck Flanges are used in oil & gas, petrochemical, chemical processing, refineries, power plants, marine systems, water treatment, industrial process piping and pressure equipment.

Quality & Inspection

Each flange can be checked for material identification, outside diameter, bore, thickness, bolt-hole arrangement, facing, surface condition and marking before dispatch. Inspection and documentation can be arranged according to customer requirements.

Why Choose Vandan Alloys?

Manufacturer, Supplier, Stockist & Exporter

Wide range of flange materials

Multiple pressure classes and sizes

RF, FF and RTJ options

Standard and customized dimensions

EN 10204 Type 3.1 MTC available

Export-quality packing

Worldwide supply

Get a Quote

For Weld Neck Flanges, send us your material grade, size, pressure class, quantity, facing and applicable standard. Vandan Alloys will provide a suitable technical and commercial quotation.

Related Flange Products

WNRF Flanges

Blind Flanges

Slip-On Flanges

Socket Weld Flanges

Threaded Flanges

Lap Joint Flanges

Orifice Flanges

Long Weld Neck Flanges

RTJ Flanges

SEO Title

Weld Neck Flanges Manufacturer, Supplier & Exporter | Vandan Alloys

Meta Description

Vandan Alloys manufactures, supplies, stocks and exports Weld Neck Flanges in various materials, sizes, pressure classes and RF, FF & RTJ facing options.

Unique SEO Keywords

Weld Neck Flanges manufacturer, Weld Neck Flange supplier, Weld Neck Flange exporter India, WN RF flange manufacturer, WNRF flange supplier, Weld Neck RF flange exporter, Weld Neck FF flange, Weld Neck RTJ flange, ASME B16.5 Weld Neck Flange, ASME B16.47 Weld Neck Flange, Class 150 Weld Neck Flange, Class 300 WN flange, Class 600 Weld Neck Flange, Class 900 WN flange, Class 1500 Weld Neck Flange, Class 2500 WN flange, stainless steel Weld Neck Flange supplier, carbon steel WN flange manufacturer, alloy steel Weld Neck Flange exporter, industrial Weld Neck Flanges India, Weld Neck piping flange manufacturer Mumbai