Flanges for Chemical & Petrochemical Applications – Manufacturer, Exporter, Supplier & Stockist in India

Vandan Alloys manufactures, supplies, stocks and exports Flanges for Chemical and Petrochemical Applications for process piping, equipment connections, storage systems, transfer lines and industrial plant requirements.

We supply Weld Neck, Blind, Slip-On, Socket Weld, Threaded, Lap Joint, RTJ, Orifice, Long Weld Neck and Custom Flanges in carbon steel, stainless steel, alloy steel, duplex, super duplex and nickel alloy materials.

Based in Mumbai, India, Vandan Alloys serves chemical plants, petrochemical facilities, refineries, process industries, EPC contractors and industrial maintenance projects in India and international markets.

Flanges for Chemical & Petrochemical Piping

Chemical and petrochemical plants can handle corrosive, high-temperature, high-pressure or otherwise demanding process media. Therefore, flange selection must be based on the actual service conditions and project specification.

Important selection factors include:

• Material grade

• Chemical composition of process media

• Operating pressure

• Operating temperature

• Corrosion conditions

• Pipe size

• Flange type

• Facing

• Applicable standard

• Project specifications

Vandan Alloys can review these requirements and supply suitable flange configurations according to the specified engineering requirements.

Types of Chemical & Petrochemical Flanges

Our flange range includes:

• Weld Neck Flanges

• Blind Flanges

• Slip-On Flanges

• Socket Weld Flanges

• Threaded Flanges

• Lap Joint Flanges

• RTJ Flanges

• Orifice Flanges

• Long Weld Neck Flanges

• Forged Flanges

• Large Diameter Flanges

• Special Flanges

• Custom Drawing Flanges

Flanges can be supplied with Raised Face, Flat Face or Ring Type Joint facing, where applicable to the selected standard and configuration.

Stainless Steel Flanges for Chemical Applications

Stainless steel is commonly selected for applications where corrosion resistance is an important consideration.

Vandan Alloys supplies stainless steel flange grades including:

304 / 304L, 316 / 316L, 321, 347, 310 / 310S and 904L

The correct grade should be selected according to the process fluid, concentration, temperature and other operating conditions.

For chemical service, 316/316L and other corrosion-resistant grades may be considered where appropriate, subject to the engineering specification.

Duplex & Super Duplex Flanges

For demanding corrosive environments, Vandan Alloys supplies:

Duplex 2205 – UNS S31803 / S32205

Super Duplex 2507 – UNS S32750 / S32760

These materials can be supplied in applicable flange configurations for process piping and equipment connections.

Final grade selection depends on the specific process environment and project requirements.

Nickel Alloy Flanges

For specialized chemical and petrochemical applications, we can supply nickel alloy flanges including:

• Nickel 200 / Nickel 201

• Monel 400 / K-500

• Inconel 600 / 601 / 625 / 718

• Incoloy 800 / 800H / 800HT / 825

• Hastelloy C276 / C22

Nickel alloys may be considered for applications requiring specific resistance to corrosion, heat or aggressive process environments.

Material selection should be confirmed against the actual operating conditions and applicable specification.

Carbon Steel & Alloy Steel Flanges

Carbon steel flanges such as ASTM A105 / A105N can be supplied for suitable chemical and petrochemical piping applications where the service conditions permit.

Alloy steel flange materials can also be considered for applications requiring specific mechanical or temperature performance.

The material grade, heat treatment and testing requirements can be supplied according to the applicable material specification and project requirements.

High Pressure Flanges

Chemical and petrochemical plants may require different pressure classes depending on the piping system.

Vandan Alloys supplies applicable flange classes including:

Class 150, 300, 400, 600, 900, 1500 and 2500

Availability and dimensional configuration depend on the applicable flange standard, size and type.

For high-pressure service, the complete connection—including flange, gasket and bolting—should be selected according to the engineering design and applicable piping requirements.

RTJ Flanges for Process Applications

Ring Type Joint Flanges can be supplied where an RTJ connection is specified.

RTJ flanges are available in suitable materials and pressure classes according to the applicable dimensional standard.

The RTJ groove, ring and mating flange must be compatible with the specified standard and connection design.

Orifice Flanges for Chemical Plants

Process plants frequently require flow measurement systems for monitoring and controlling process fluids.

Vandan Alloys supplies Orifice Flanges for applicable differential-pressure flow measurement arrangements.

Tapping details, flange dimensions and orifice-related requirements can be manufactured according to the applicable standard, project specification or customer drawing.

Flange Standards

Depending on the application and project requirement, flanges can be supplied according to:

ASME B16.5
ASME B16.47
ASME B16.36 for applicable Orifice Flanges
EN 1092-1
DIN
JIS
BS
Customer / Project Specification

The applicable standard depends on the flange type, nominal size, pressure class and design requirements.

Specifications

Product: Chemical & Petrochemical Industrial Flanges
Types: Weld Neck / Blind / Slip-On / Socket Weld / Threaded / Lap Joint / RTJ / Orifice / LWN / Custom
Materials: Carbon Steel / Stainless Steel / Alloy Steel / Duplex / Super Duplex / Nickel Alloys
Grades: A105 / A105N / 304 / 304L / 316 / 316L / 321 / 347 / 310 / 904L and other specified grades
Pressure Classes: 150 / 300 / 400 / 600 / 900 / 1500 / 2500
Facing: RF / FF / RTJ
Sizes: Standard and large diameter, subject to applicable standard
Standards: ASME / EN / DIN / JIS / BS / Project Specification
Inspection: Visual / Dimensional / Material Verification / PMI / TPI as required
Documentation: MTC / EN 10204 Type 3.1 and other project documents as specified

Applications in Chemical & Petrochemical Industries

Our flanges are suitable for consideration in applications such as:

• Chemical Processing Plants

• Petrochemical Plants

• Refineries

• Process Piping

• Solvent Processing Systems

• Acid Handling Systems

• Chemical Storage Systems

• Transfer Lines

• Heat Exchanger Connections

• Pump Connections

• Valve Connections

• Process Equipment

• Storage & Distribution Facilities

• Plant Expansion Projects

• Maintenance & Shutdown Projects

• EPC Projects

Actual suitability depends on the process conditions and engineering specification.

Custom & Special Flanges

Chemical and petrochemical projects often require special dimensions or non-standard configurations.

Vandan Alloys can review requirements for:

• Special Bore

• Modified Thickness

• Special PCD

• Custom Bolt-Hole Pattern

• Special Facing

• RTJ Groove

• Large Diameter

• Equipment Connections

• Replacement Flanges

• Drawing-Based Flanges

Customers can provide a PDF drawing, CAD drawing, dimensional sketch, existing flange measurements or project specification for review.

Inspection & Documentation

Quality documentation is an important part of many chemical and petrochemical procurement projects.

Depending on the order requirements, inspection may include:

• Dimensional Inspection

• Visual Inspection

• Material Verification

• Chemical & Mechanical Test Review

• PMI Testing

• Hardness Testing Where Specified

• Heat Treatment Documentation Where Applicable

• Third-Party Inspection

• EN 10204 Type 3.1 MTC

Additional inspection requirements can be arranged according to the purchase order and project quality requirements.

Chemical & Petrochemical Flanges Manufacturer in India

Vandan Alloys is a Chemical & Petrochemical Flanges Manufacturer, Exporter, Supplier and Stockist in Mumbai, India, supplying industrial flange requirements for process industries and engineering projects.

We handle requirements ranging from standard carbon steel and stainless steel flanges to duplex, super duplex, nickel alloy and other special material flanges.

Our products can be supplied for domestic requirements as well as export orders to the USA, Middle East, Europe, Asia and other international markets, subject to project and shipping requirements.

Why Choose Vandan Alloys?

• Mumbai-based flange manufacturer and exporter

• Wide range of industrial flange types

• Stainless steel and special alloy flange supply

• Carbon steel and alloy steel options

• Duplex & super duplex flange supply

• High-pressure flange requirements

• RF / FF / RTJ configurations

• Large diameter and custom flanges

• Drawing-based manufacturing

• Material traceability and MTC support

• Inspection and TPI coordination where required

• Export packing and international shipment support

Get a Quote for Chemical & Petrochemical Flanges

Looking for reliable flanges for a chemical plant, petrochemical project, refinery or process piping system? Send your requirement to Vandan Alloys for technical review and quotation.

For a faster quotation, share:

Flange Type + Size + Material Grade + Pressure Class + Facing + Standard + Quantity + Drawing / Specification

For special requirements, you can send a PDF/CAD drawing, dimensional sketch or existing flange details.

Email: info@vandanalloys.com
Call / WhatsApp: +91 98928 82255
Tel: +91 022 6610 9925

Vandan Alloys – Your Source for Chemical & Petrochemical Flanges from India.

Contact Vandan Alloys

Vandan Alloys 

Manufacturer of All Types of Flanges

3/5, Sakar Bhavan, Ground Floor, 6th  Khetwadi lane, SVP Road ,Mumbai – 400 004. India

TEL+91 022 6610 9925Mobile no: 09892882255  GSTIN:  27AUMPS2067F1ZB

Email: info@vandanalloys.com ; Web: www.vandanalloys.com

Please visit Our Flanges Division:www.vandanalloys.net

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Vandan Alloys manufactures and exports chemical and petrochemical flanges in stainless steel, carbon steel, duplex, super duplex and nickel alloys for process industries.

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