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.

Estimate weight → Fastener Weight Calculator

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

StandardFitRemark
GB GB/T 9115-2010Identical familySteel pipe welding neck flanges (PN series)
GB GB/T 9124.1-2019Commercial equivalent2019 consolidated PN-series steel pipe flanges, same dimensions
EN EN 1092-1 Type 11Commercial equivalentIdentical drilling/dimensions; dimension and weight table source
HG HG/T 20592Commercial equivalentPN-series WN type (reference only, not ingested)
DIN DIN 2632Commercial equivalentLegacy PN10 welding neck, weight cross-check source
DIN DIN 2633Commercial equivalentLegacy PN16 welding neck, weight cross-check source
Diameter
Length
Material

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
SKUSize (Dia × Len)Material / FinishThreadingPitchUnit Wt (g)Action
Weld Neck Flanges (WN) DN15 Carbon SteelWNF-000001DN15
Carbon Steel3 material/finish options
768
Weld Neck Flanges (WN) DN20 Carbon SteelWNF-000004DN20
Carbon Steel3 material/finish options
1090
Weld Neck Flanges (WN) DN25 Carbon SteelWNF-000007DN25
Carbon Steel3 material/finish options
1300
Weld Neck Flanges (WN) DN40 Carbon SteelWNF-000010DN40
Carbon Steel3 material/finish options
2150
Weld Neck Flanges (WN) DN50 Carbon SteelWNF-000013DN50
Carbon Steel3 material/finish options
2530
Weld Neck Flanges (WN) DN80 Carbon SteelWNF-000016DN80
Carbon Steel3 material/finish options
3920
Weld Neck Flanges (WN) DN100 Carbon SteelWNF-000019DN100
Carbon Steel3 material/finish options
4620
Weld Neck Flanges (WN) DN150 Carbon SteelWNF-000022DN150
Carbon Steel3 material/finish options
7400
Weld Neck Flanges (WN) DN200 Carbon SteelWNF-000025DN200
Carbon Steel3 material/finish options
11500
Weld Neck Flanges (WN) DN300 Carbon SteelWNF-000028DN300
Carbon Steel3 material/finish options
22100

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