Main BS 4504 types
Available product references include plate flanges, blind flanges, threaded flanges, slip-on hubbed flanges and weld neck flanges according to order details.
A supporting range for British standard requirements, covering common plate, blind, hubbed, threaded and weld neck references used by stockists, maintenance buyers and project suppliers.
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.



EN 1092-1, ANSI / ASME B16.5, DIN, BS 4504, UNI or project drawing.
Type, DN size, PN rating, facing, bore and drawing notes.
Carbon steel, low-temperature steel, stainless steel or project grade.
EN 10204 3.1, inspection, marking, packing and certificate needs.
BS 4504 Code 101 slip-on plate flange data and dimension chart for RFQ preparation.
BS 4504 Code 112 Slip-on Bossed FlangesBS 4504 Code 112 slip-on bossed flange data and dimension chart for RFQ preparation.
BS 4504 Code 111 Weld Neck FlangesBS 4504 Code 111 weld neck flange data and dimension chart for RFQ preparation.
BS 4504 Code 105 Blind FlangesBS 4504 Code 105 blind flange data and dimension chart for RFQ preparation.
BS 4504 Code 113 Threaded FlangesBS 4504 Code 113 threaded flange data and dimension chart for RFQ preparation.
BS 10 Table D FlangesBS 10 Table D flange dimensions and replacement order notes.
BS 10 Table E FlangesBS 10 Table E flange dimensions and replacement order notes.
Available product references include plate flanges, blind flanges, threaded flanges, slip-on hubbed flanges and weld neck flanges according to order details.
For BS 4504 orders, please confirm code/type, size, pressure, material, drilling, face type and certificate requirement before quotation.
Weld Neck flange inquiries are reviewed against piping service, installation position and required facing.
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.
BS 4504 flange orders are common in UK-related supply chains and older British standard specifications. Buyers may request plate, blind, threaded, hubbed slip-on or weld neck flanges by code reference, PN rating and material grade.
For importers and stockists, the important point is to match the code, pressure rating and facing clearly. If the inquiry is connected with a plant replacement order, the RFQ should mention whether the flange must match an existing stock list, customer drawing or current project specification.
For weld neck flanges, the bore, pipe schedule, welding neck dimensions and pressure service should be stated clearly. These details affect machining and inspection, especially when the buyer needs WNRF, WNFF or RTJ execution.
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.
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.
| Standard / Type | Product | Typical scope |
|---|---|---|
| Code 101 | Slip-on plate flange | BS 4504 |
| Code 105 | Blind flange | BS 4504 |
| Code 111 | Weld neck flange | BS 4504 |
| Code 112 | Slip-on hubbed flange | BS 4504 |
| Code 113 | Threaded flange | BS 4504 |
Send the standard, DN size, PN rating, material grade, facing, quantity, certificate requirement and any project drawing. Hyupshin will check the specification before quotation.