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DIN Standard Flanges

When flange mismatch or sourcing delays risk slowing project timelines, selecting compliant and versatile standards becomes critical. Our DIN Standard Flanges meet EN 1092-1 specifications and cover types from plate to weld neck, ensuring reliable fitment across industrial systems.

Standard Specification

EN 1092-1 (Type 01-12), DIN 2576, DIN 2633, DIN 2642, DIN 2655, DIN 2656

Pressure Rating

PN6 to PN100 (Type 11 up to PN400)

Material

Carbon Steel (P235GH, P265GH), Stainless Steel (1.4301/1.4404), Aluminum (EN AW-6082)

Nominal Size

DN10 to DN4000 (Type-dependent)

Flange Type

Type 01 (Plate), 02 (Loose), 05 (Weld Neck), 11 (Blind), 12 (Threaded)
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Product Description

Available in carbon steel, stainless steel, and aluminum, these flanges offer pressure ratings from PN6 up to PN400 depending on type. Dimensional accuracy, material certification to EN 10204, and surface finish consistency support faster assembly and long-term service stability.

Facing Type

Form A (Flat), B (Raised), C (Tongue), D (Groove), E (Spigot), F (Recess)

Dimensions

Per EN 1092-1 Tables (Type-specific)

Bolt Circle Diameter

Metric series (e.g., DN100 PN16: 170mm)

Number & Size of Bolt Holes

Metric bolts (e.g., DN100 PN16: 4×M16)

Surface Finish

Ra ≤12.5μm (gasket surfaces), Shot-peened (non-contact areas)

Corrosion Resistance

Material-dependent (1.4404 >1.4301 >P265GH)

Temperature Rating

-20°C to +300°C (carbon steel), -196°C to +800°C (stainless)

Material Certification

EN 10204 3.1, AD2000-W0, PED 2014/68/EU

Gasket Compatibility

EN 1514-1 (FF), EN 1514-2 (RF), EN 1514-3 (RTJ)

Coating/Plating

ZN (DIN 50976), Dacromet (DIN 50979), PVDF lining

Manufacturing Method

Forged (Type 05), Cast (Type 04), Machined from plate (Type 01)

Technical Advantages

Many flange solutions focus only on nominal size, but our DIN Standard Flanges also match exact bolt circle and gasket standards. Each flange undergoes dimensional checks per EN 1092-1 tables to guarantee easy, repeatable assembly without costly onsite rework. 
Surface finishes meet Ra ≤12.5μm for gasket areas, shot-peened elsewhere to improve corrosion performance without secondary machining. Available coatings like ZN plating, Dacromet, and PVDF linings further support chemical, marine, and outdoor service life requirements. 

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Industry Applications

Pressure Vessel Manufacturing

EN 1092-1 flanges support nozzle and manway connections under high and moderate pressure ranges across vessels, heat exchangers, and reactors.

Pipeline Installations

Both underground and aboveground piping networks use Type 05 weld neck or Type 11 blind flanges for leak-proof service in critical sections.

Offshore Equipment Fabrication

Stainless variants like 1.4404 resist harsh marine environments, while the DIN-standard bolt circles simplify integration into offshore skids and modules.

Chemical Process Plants

DIN flanges support chemical transfer piping by offering gasket face options including flat, raised, tongue, and groove combinations per process need.

Food and Beverage Plants

Aluminum flanges and hygienic stainless flanges allow easy cleaning, corrosion resistance, and secure pipe joining in food-grade applications.

HVAC and Utility Systems

Lightweight Type 01 plate flanges allow fast installation for HVAC ducting, cooling towers, and water supply systems, supporting pressures up to PN16.

Built for Global Manufacturing Lines

Purchasing heads require technical clarity and supply consistency, and our DIN flanges deliver both. Size flexibility from DN10 to DN4000, material variations, and surface options fit varied project needs without extensive customization lead times. 
Backed by EN, AD2000, and PED certifications, each flange shipment is ready for direct use in production lines or field installations. With a proven record across heavy fabrication, chemical plants, and modular systems, our flanges ensure seamless fit and dependable long-term operation. 

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Having Doubts? Our FAQ

Check all our Frequently Asked Question

How do your DIN flanges handle compatibility across different pressure classes?

We manufacture DIN flanges covering PN6 to PN400, type-specific. Each flange matches the exact bolt circle and gasket face dimension per EN 1092-1. This avoids assembly errors and speeds up multi-pressure system builds.

Can I select different material grades within the same flange size?

Yes, we offer the same nominal sizes in carbon steel, stainless steel, and aluminum. Material certificates validate grade selection for project documentation. This flexibility helps buyers align material sourcing with specific application demands.

Are surface coatings optional based on project environment

We offer ZN plating, Dacromet coating, and PVDF lining based on application needs. Coating selection is project-driven without minimum order constraints. This way, buyers can choose corrosion protection suited to field conditions.

How consistent is the gasket surface finish on every batch?

Gasket faces are machined to Ra ≤12.5μm as standard, checked with profilometers. We inspect 100 percent of sealing surfaces before packing. This ensures no hidden surface defects during gasket seating at installation.

Can you support special flange markings or project tagging?

Yes, we can engrave custom project codes, heat numbers, or customer logos on flanges. Markings follow EN 1092-1 layout unless a custom layout is requested. This helps traceability during project audits without extra rework at the buyer’s end. 

How quickly can Frigate fulfill bulk DIN flange orders for project timelines?
  • Manufacturing slots are pre-planned for standard EN 1092-1 flange types to reduce lead time 
  • Bulk orders are processed with parallel production lines for faster turnaround 
  • Stock-supported sizes (common DN/PN ranges) enable immediate dispatch options 
  • Dedicated project coordination ensures committed delivery schedules are met 
Can Frigate support mixed-size and mixed-material flange orders in one shipment?
  • Yes, consolidated production supports multi-size (DN range) and multi-material orders 
  • Single shipment reduces logistics complexity and procurement cycles 
  • All items are batch-traceable with individual material test certificates 
  • Ideal for EPC contractors handling multi-system installations 
How does Frigate ensure consistency across repeat flange orders?
  • Standardized tooling and machining programs maintain dimensional repeatability 
  • Batch-wise inspection reports ensure identical specifications across orders 
  • Material sourcing follows controlled vendor qualification processes 
  • Repeat orders are referenced against previous production records for accuracy 
Does Frigate provide pre-dispatch inspection and documentation support?
  • 100% dimensional and visual inspection conducted before shipment 
  • EN 10204 3.1 certification included with every batch 
  • Third-party inspection (TPI) support available on request 
  • Complete documentation package reduces delays during project approvals 
Can Frigate handle project-specific packaging and export requirements?
  • Export-grade packaging designed for sea and long-distance transit 
  • Custom labeling, tagging, and palletization as per project guidelines 
  • Moisture protection and corrosion prevention applied where required 
  • Documentation aligned with international shipping and compliance standards 
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Registered Office

10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

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9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ã…¤

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LOCATIONS

Registered Office

10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

Other Locations

  • Bangalore
  • Chennai
  • Coimbatore
  • Germany
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Become a Supplier

GENERAL ENQUIRIES

  • +91 96778 64606
  • manufacture@frigate.ai
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DIN Standard Flanges

DIN Standard Flanges

Need reliable wires and cables for your next project? Get in touch with us today, and we’ll help you find exactly what you need!

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DIN Standard Flanges

DIN Standard Flanges

Need reliable Machining for your next project? Get in touch with us today, and we’ll help you find exactly what you need!

Get Latest Price

Get Price Form