Weld Neck Flanges (WN)
Weld neck flanges (WN): PN10/PN16 ratings; 304/316L potable-water materials available with WRAS / NSF 61 certification. Filter by bore and pressure rating.
Key Parameters
Standard Basis
GB/T 9115
Common equivalents are listed below; confirm dimensions and drawing details before substitution.
Spec Range
· 10 sizes / 30 SKUs
Carbon Steel, Stainless 304, Stainless 316L; —
Grades
—
Confirm grade together with mating nuts, washers and certificate requirements.
What to include
Quoted by full spec
Prices differ by size, material, grade and finish, please inquire with full specifications. For non-standard specs, a drawing or site photo is welcome.
Standard Equivalents
Cross-referenced equivalents, order to the primary standard
| Standard | Fit | Remark |
|---|---|---|
| GB GB/T 9115-2010 | Identical family | Steel pipe welding neck flanges (PN series) |
| GB GB/T 9124.1-2019 | Commercial equivalent | 2019 consolidated PN-series steel pipe flanges, same dimensions |
| EN EN 1092-1 Type 11 | Commercial equivalent | Identical drilling/dimensions; dimension and weight table source |
| HG HG/T 20592 | Commercial equivalent | PN-series WN type (reference only, not ingested) |
| DIN DIN 2632 | Commercial equivalent | Legacy PN10 welding neck, weight cross-check source |
| DIN DIN 2633 | Commercial equivalent | Legacy PN16 welding neck, weight cross-check source |
Weld neck flanges (WN): PN10/PN16 ratings; 304/316L potable-water materials available with WRAS / NSF 61 certification. Filter by bore and pressure rating.
Spec Range
— · 10 sizes
SKU Matrix
30 SKUs| SKU | Size (Dia × Len) | Material / Finish | Threading | Pitch | Unit Wt (g) | Action | |
|---|---|---|---|---|---|---|---|
 | WNF-000031 | DN15 | Carbon Steel3 material/finish options | — | — | 768 | |
 | WNF-000034 | DN20 | Carbon Steel3 material/finish options | — | — | 1090 | |
 | WNF-000037 | DN25 | Carbon Steel3 material/finish options | — | — | 1300 | |
 | WNF-000040 | DN40 | Carbon Steel3 material/finish options | — | — | 2150 | |
 | WNF-000043 | DN50 | Carbon Steel3 material/finish options | — | — | 2530 | |
 | WNF-000046 | DN80 | Carbon Steel3 material/finish options | — | — | 3920 | |
 | WNF-000049 | DN100 | Carbon Steel3 material/finish options | — | — | 4620 | |
 | WNF-000052 | DN150 | Carbon Steel3 material/finish options | — | — | 7400 | |
 | WNF-000055 | DN200 | Carbon Steel3 material/finish options | — | — | 11600 | |
 | WNF-000058 | DN300 | Carbon Steel3 material/finish options | — | — | 18300 |