Regular DIN references
Common references include DIN 2501, DIN 2502, DIN 2503, DIN 2527, DIN 2545, DIN 2565 / 2566, DIN 2573, DIN 2576, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2641 and DIN 2642.
Supporting European range
DIN flange references for European replacement work.
DIN remains important where existing installations, old project documents or distributor stock lists still use the original standard references rather than a newer EN description.
EN 1092-1 focused
ASME B16.5 supported
PN-rated supply
Traceable documents
EN 1092-1Main product range
ANSI B16.5Class-rated American standard
PED / AD 2000 / UKCACertificate references
Importers & stockistsRepeat supply cooperation
European shipment markets
Flange supply support for European importers and distributors.
Hyupshin supports EN 1092-1, DIN, BS 4504, UNI and project-standard flange inquiries for buyers in United Kingdom, Germany, Hungary, Poland, Czech Republic, Croatia, Italy, Serbia, Slovakia, France, Norway, Portugal, Spain, Netherlands, Austria, Ireland, Albania, Bulgaria, Belgium, Greece.
RFQ preparation
Information that makes European standard flange quotation faster.
Standard
EN 1092-1, ANSI / ASME B16.5, DIN, BS 4504, UNI or project drawing.
Flange details
Type, DN size, PN rating, facing, bore and drawing notes.
Material
Carbon steel, low-temperature steel, stainless steel or project grade.
Documents
EN 10204 3.1, inspection, marking, packing and certificate needs.
Focused pages
Related European flange pages
DIN 2501 PN10 Plate Flanges
DIN 2501 PN10 plate flange dimensions and order notes for replacement and project supply.
DIN 2501 PN16 Plate FlangesDIN 2501 PN16 plate flange dimensions and order notes for replacement and project supply.
DIN 2502 Plate FlangesDIN 2502 plate flange dimensions and order notes for replacement and project supply.
DIN 2503 PN25 Plate FlangesDIN 2503 PN25 plate flange dimensions and order notes for replacement and project supply.
DIN 2503 PN40 Plate FlangesDIN 2503 PN40 plate flange dimensions and order notes for replacement and project supply.
DIN 2527 Blind FlangesDIN 2527 blind flange dimensions and order notes for replacement and project supply.
DIN 2543 Plate FlangesDIN 2543 plate flange dimensions and order notes for replacement and project supply.
DIN 2565 / 2566 Threaded FlangesDIN 2565 and DIN 2566 threaded flange dimensions and order notes for replacement and project supply.
DIN 2573 PN6 Plate FlangesDIN 2573 PN6 plate flange dimensions and order notes for replacement and project supply.
DIN 2576 PN10 Plate FlangesDIN 2576 PN10 plate flange dimensions and order notes for replacement and project supply.
DIN 2631 PN6 Weld Neck FlangesDIN 2631 PN6 weld neck flange dimensions and order notes for replacement and project supply.
DIN 2632 PN10 Weld Neck FlangesDIN 2632 PN10 weld neck flange dimensions and order notes for replacement and project supply.
DIN 2633 PN16 Weld Neck FlangesDIN 2633 PN16 weld neck flange dimensions and order notes for replacement and project supply.
DIN 2634 PN25 Weld Neck FlangesDIN 2634 PN25 weld neck flange dimensions and order notes for replacement and project supply.
DIN 2635 PN40 Weld Neck FlangesDIN 2635 PN40 weld neck flange dimensions and order notes for replacement and project supply.
DIN 2642 Loose FlangesDIN 2642 loose flange dimensions and order notes for replacement and project supply.
Supply notes
DIN flange references for European replacement work. for European buyers
Project handling
DIN requests should be checked carefully against drawing, pressure rating, sealing face, drilling and material requirement, especially when older project specifications are involved.
European buyer focus
Order details to confirm before production
DIN flange inquiries are reviewed by standard, pressure rating and project use.
State PN rating clearly, especially PN10, PN16, PN25 or PN40 for regular European distributor orders.
Common RFQs include carbon steel, low-temperature steel and stainless steel grades. Attach the project grade when it differs from regular stock items.
Confirm RF, FF, RTJ, galvanized finish, black paint, anti-rust oil or project-specific surface protection before quotation.
Mention EN 10204 3.1, PED, AD 2000, UKCA, PMI, NDT or third-party inspection requirements in the RFQ.
For European shipment, state pallet, wooden case, label, marking and mixed-size packing requirements early.
Procurement guidance
DIN flange references for European replacement work. quotation notes
DIN flange references for European replacement work. buying notes
DIN flange inquiries are often connected with older installations, maintenance replacement work, spare-part stock and original project drawings. Buyers may still describe items by DIN 2501, DIN 2527, DIN 2573, DIN 2576 or DIN 2631-2635 even when newer projects use EN references.
A clear DIN RFQ should include the DIN number, PN rating, DN size, sealing face, material and whether the item must match an existing flange. If the buyer is replacing installed parts, photos or old drawings can prevent mistakes in drilling, thickness or facing.
Flange detail review
For this flange type, the safest quotation route is to send the standard, size range, pressure rating, material grade, facing, quantity and any drawing notes together in one RFQ. This gives the sales and technical team enough information to check the order before pricing.
For European buyers, the quotation is stronger when documentation requirements are stated at the beginning: EN 10204 3.1 certificate, PED or AD 2000 references, UKCA notes, third-party inspection, PMI, NDT, marking photos or packing photos. This avoids revising the price after the technical review.
How to prepare the RFQ
Hyupshin recommends sending the RFQ as a table when several sizes are involved. Separate each standard, type, pressure rating and material grade into its own line, then add quantity, destination port and required delivery time. This format is easier for European importers, distributors and project suppliers to compare and repeat in future orders.
If the order is urgent, mark which sizes are needed first and whether partial shipment is acceptable. For repeat distributors, previous purchase records or customer part numbers can be added to the message field so the specification can be matched more quickly.
Reference scope
Common order references
| Standard / Type | Product | Typical scope |
|---|---|---|
| DIN 2573 / 2576 | Plate flange | PN6 / PN10 |
| DIN 2527 | Blind flange | PN ratings by inquiry |
| DIN 2631-2635 | Weld neck flange | PN6 to PN40 |
| DIN 2565 / 2566 | Threaded flange | PN6 / PN16 |
| DIN 2642 | Loose flange | PN10 |
| DIN 2641 | Loose flange | PN6 lapped flange inquiries reviewed by drawing or previous order record |
| DIN 2545 | Plate flange | PN40 inquiry support where older DIN references are still used |
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DIN flange references for European replacement work. RFQ support
Send the standard, DN size, PN rating, material grade, facing, quantity, certificate requirement and any project drawing. Hyupshin will check the specification before quotation.
RFQ preparation
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