Custom Pipe Flange and Fittings Manufacturer

Professional manufacturer of custom stainless steel flanges, pipe fittings & accessories, available for different size, material and specifications to meet your needs with competitive price, comprehensive inventory and quick delivery.
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Address

620 Kongo Mingzhu Road, Yongxing Street, Longwan District, Wenzhou City, Zhejiang Province, China.

Phone

+86-15727821389
+86-15858538689

fermenter flange

Custom Stainless Steel Flange

LONGAN specializes in manufacturing custom precision-engineered SS flanges to particular size/diameter, material or application. Available in slip-on, weld neck, and blind styles with custom OD, ID, thickness and bolt patterns for industrial piping and vacuum systems. Tell us your special needs and our experts will get back to you with competitive pricing on custom specifications, including quick-ship solutions for urgent projects.

Custom Fittings & Accessories

LONGAN delivers rapid-response manufacturing of custom pipe fittings, including specialized reducers, adaptors, stub ends, and spectacle blinds. 24-hour quotes and 7-day production turnaround on all custom accessories. Available in different grades of stainless steel with full material certification and competitive factory-direct pricing.

Filter element accessories

Custom Stainless Steel Flange

Explore our custom ss flanges, we provide custom-engineered connections for pipes, featuring durability and corrosion resistance in industrial applications.

filter quick opening flange cover

pipe strainer flange cap

Pipe strainer quick opening flange cover for filters enables fast access and secure sealing. Designed for efficient maintenance while preventing leaks across various pressure ratings and pipe connections.

large diameter flange

large diameter flange

Large diameter flanges connect and seal industrial pipelines for oil, gas, and water transport. Available in various materials for high-pressure, long-distance fluid systems.

filter connection flange

pipe strainer connection flange

Pipe strainer connection flanges ensure pressure-tight sealing between filters and piping systems. Custom manufactured for precise fit and reliable fluid containment.

clamp flange

clamp flange

Clamp flanges provide secure, leak-proof connections for quick assembly and maintenance. Ideal for industrial piping systems requiring frequent access or cleaning.

tube sheet

tube sheet

Tube sheets provide precise support and sealing for heat exchangers and pressure vessels. Custom-engineered for optimal fluid flow and thermal efficiency.

water meter flange

water line flange

Water meter flanges provide secure connection between meters and pipes, ensuring leak-free measurement and easy installation for accurate flow monitoring.

radar universal flange

radar universal flange

Radar universal flanges enable precise radar level meter alignment, offering flexible installation and superior measurement accuracy

PTFE lined pipe facing flange

PTFE lined pipe flange

PTFE lined pipe flanges combine stainless steel strength with PTFE's chemical resistance, ensuring reliable sealing for corrosive fluid applications.

radar flange

radar flange

Radar flanges provide secure mounting and reliable sealing for radar level gauges, ensuring accurate measurements and leak-free container monitoring.

NEED HELP? ask specialist to find custom stainless steel flange for you

Stainless Steel Pipe Fittings & Accessories

As a professional stainless steel pipe fittings manufacturer, we specialize in custom-engineered metal components, delivering precision-manufactured fittings and accessories tailored to your exact specifications and requirements.

sealing ring

Stamped ring

Stamped rings provide reliable sealing for hydraulic and pneumatic systems, preventing fluid leaks under high-pressure operating conditions.

weldolet

weldolet

Weldolets are specialized pipe branch connections that enable direct welding attachment, providing reliable and efficient piping system solutions.

butterfly head

butterfly head

Butterfly head provide quick-connect sealing solutions for pipe systems, enabling efficient maintenance while ensuring reliable, leak-free connections.

Plug accessories

plug accessories

Threaded plugs seal pipe endpoints, preventing media leakage, contamination, and maintaining system integrity in piping installations.

filter base

strainer base

Filter base flange securely mount filter elements and connect pipelines, providing essential support and protection for filtration systems.

Filter element accessories

stainless steel welding adapter

Food-grade stainless steel adapters ensure hygienic pipeline connections, meeting sanitary standards for food processing applications.

filter tray

Filter collection trays stabilize elements and efficiently gather filtered liquid, ensuring optimal flow and maintaining filtration performance.

shaft collar

Shaft Collar

Shaft collars secure components, seal against leaks, and maintain positioning in mechanical, hydraulic, and pneumatic systems.

custom coupling nut

Custom coupling nuts connect and secure plumbing or hydraulic lines while allowing easy disconnection.

Ask Us About Your Custom Pipe Fittings & Accessories Needs

Our Strength On Custom Flange Manufactureing

Our expertise in custom flange manufacturing spans all major varieties including stainless steel flanges, ss fittings, and specialized vacuum flanges.

Flexible Manufacturing Capability

Our advanced manufacturing system delivers custom pipe fittings, flanges, and couplings with precision control and rapid turnaround. We seamlessly adapt production to meet your unique specifications while maintaining superior quality.

Reliable Supply Chain​​

Our integrated supply chain guarantees timely delivery of custom stainless steel fittings, flanges, and coupling nuts. From material sourcing to final shipment, we ensure reliable product availability and consistent quality standards.

Synchronized Engineering Excellence

Our coordinated team approach ensures precision manufacturing of stainless steel fittings and custom flanges. From engineering to quality control, each department synchronizes efforts to deliver superior products that meet exact specifications.

6S Management System

Through rigorous 6S standards, we maintain exceptional quality in manufacturing stainless steel pipe fittings and custom components. Our organized, efficient workspace ensures consistent precision and reliability in products we deliver.

LONGAN FLANGE
  • Expertise in Flange Manufacturing: Longan Flange specializes in producing a wide range of flanges and custom non-standard products, ensuring we meet diverse industry needs with precision.
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  • Advanced Manufacturing Capabilities: With over 100 CNC lathes, 10 machining lathes, and 16 high-precision machining centers, we leverage advanced technology for efficient and high-quality production.
  • Rigorous Quality Assurance: Our independent laboratory equipped with 15 testing devices ensures extensive testing of each flange, guaranteeing they meet specifications and providing reliable performance.
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  • Commitment to Customization and Standards: We offer tailor-made solutions while adhering to established industry standards, ensuring seamless compatibility and exceptional quality tailored to your project requirements.

Compliance Certificates

Frequently Asked Questions (FAQs)

Yes, we are the manufacturer. Long’an Flange specializes in manufacturing various types of flanges and customizing non-standard products.

Our pricing is based on quality advantages at the same price point

Yes, we provide certifications. We have obtained many domestic and international certifications, including CE, Quality Management System, and Environmental Management System certifications.

We accept Letter of Credit (L/C), Telegraphic Transfer (T/T), and Document against Payment (D/P) as payment methods.

When you buy forged flange parts, you don’t have to buy a certain amount. But if you want a length that’s more than 2 meters, you’ll need to buy at least 10 pieces.

It usually takes us 2 to 4 weeks to make your order, but it depends on how complicated it is and how busy we are.

Yes, we offer OEM services for customized non-standard flanges.

We package our big, heavy flanges in wooden crates and the small, light ones in cardboard boxes. The choice depends on what kind of flange it is, its size, weight, and how far it needs to be transported.

We offer many ways to ship your items, like by truck or boat. We’ll find the best way for you based on your needs.

When making flanges, we mainly use stainless steel, but we also use other special materials based on what the flange is for and what the customer wants.

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