Weld neck flanges — BS 4504 · Carbon steel · PN25
Confirm the neck bore, weld preparation and mating pipe wall together. Identify the required flange facing on the drawing.
Product illustration; final geometry follows the approved drawing.
Steel Flanges
Weld neck flanges / Slip-on flanges / Threaded flanges Product series — BS 4504 · Carbon steel / Stainless steel · DN10 – DN1600 · PN10
Confirm the neck bore, weld preparation and mating pipe wall together. Identify the required flange facing on the drawing.
- Product forms
- Weld neck flanges / Slip-on flanges / Threaded flanges
- Specified standard
- BS 4504
- Material / grade
- Carbon steel / Stainless steel
- Size designations
- DN10 – DN1600
Product overview
Selection reference: Weld neck flanges / Slip-on flanges / Threaded flanges Product series — BS 4504 · Carbon steel / Stainless steel · DN10 – DN1600 · PN10.
The listed values are alternatives within a series, not one combined specification. Identify the required combination.
Selection identifiers: Specified standard: BS 4504; Material / grade: Carbon steel / Stainless steel; Size designations: DN10 – DN1600; Pressure designation: PN10; Connection: Threaded.
Confirm the neck bore, weld preparation and mating pipe wall together. Identify the required flange facing on the drawing.
Specify the pipe outside diameter and flange bore. Confirm the fit, facing and weld arrangement before ordering.
State the thread standard, nominal size and required seal arrangement. Do not select a mating component by nominal diameter alone.
Technical specifications
| Product forms | Weld neck flanges / Slip-on flanges / Threaded flanges |
|---|---|
| Specified standard | BS 4504 |
| Material / grade | Carbon steel / Stainless steel |
| Size designations | DN10 – DN1600 |
| Pressure designation | PN10 |
| Connection | Threaded |
| Catalogue reference | HC-0284 |
Confirm the material grade, dimensions, pressure class and standard together against the approved drawing before ordering. Schedule denotes wall thickness, not a pressure rating.
Prepare a clear request for quotation
Send a bill of materials or drawing with item quantities, material grades, dimensions, standard and edition, inspection documents, packing and destination. Identify any requirements that still need technical review.
Contact our sales teamProcurement questions
What should I include in an inquiry?
Weld neck flanges / Slip-on flanges / Threaded flanges Product series — BS 4504 · Carbon steel / Stainless steel · DN10 – DN1600 · PN10 — Include the material grade, dimensions, applicable standard and quantity.
How are dimensions and service suitability confirmed?
Specified standard: BS 4504; Material / grade: Carbon steel / Stainless steel; Size designations: DN10 – DN1600 The applicable standard, mating components and project design conditions must be reviewed together. Size, rating and material combinations are confirmed in the agreed quotation or drawing.
Can I request inspection documents?
List the material certificates, inspection records and traceability documents required by your project. Their scope and availability must be agreed before ordering.
Contact sales
Request a quote
Include the material grade, dimensions, applicable standard and quantity.
Related products
Blind flanges — BS 4504 · Carbon steel · PN2
For a closed pipe end, confirm the mating flange drilling, facing and required thickness. State whether any tapping or opening is required.
Weld neck flanges / Slip-on flanges Product series — BS 4504 · Carbon steel
Confirm the neck bore, weld preparation and mating pipe wall together. Identify the required flange facing on the drawing.