
Slip-on flanges / Ring flanges Product series — AWWA C207 · Carbon steel · A105
Specify the pipe outside diameter and flange bore. Confirm the fit, facing and weld arrangement before ordering.

Product illustration; final geometry follows the approved drawing.
Specify the mating flange, nominal size, drilling pattern and facing together. A matching nominal size alone does not establish interchangeability between different flange standards. For weld neck flanges, include the pipe bore and wall thickness; for threaded designs, identify the thread standard. Select the gasket and bolting as part of the complete joint.
Selection reference: Hub flanges — AWWA C207 · CLASS D.
Selection identifiers: Specified standard: AWWA C207; Pressure designation: CLASS D.
Specify the mating flange, nominal size, drilling pattern and facing together. A matching nominal size alone does not establish interchangeability between different flange standards. For weld neck flanges, include the pipe bore and wall thickness; for threaded designs, identify the thread standard. Select the gasket and bolting as part of the complete joint.
Please confirm before quotation: Material / grade / Size designations.
| Product forms | Hub flanges |
|---|---|
| Specified standard | AWWA C207 |
| Pressure designation | CLASS D |
| Catalogue reference | HC-0302 |
Confirm the material grade, dimensions, pressure class and standard together against the approved drawing before ordering. Schedule denotes wall thickness, not a pressure rating.
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 teamHub flanges — AWWA C207 · CLASS D — Include the material grade, dimensions, applicable standard and quantity.
Specified standard: AWWA C207 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.
List the material certificates, inspection records and traceability documents required by your project. Their scope and availability must be agreed before ordering.
Include the material grade, dimensions, applicable standard and quantity.
Send us your drawings or specifications — our engineers will reply with a competitive quotation within 24 hours.