China Weld Neck Flange (WN) Manufacturer

Weld Neck Flange (WN)

The product specification
1.NPS：DN15-DN2000,1/2″-80″
2.Pressure Rating：Class150-Class2500，PN10-PN160
3.Material：
①Stainless Steel: 31254, 904/L, 347/H, 317/L, 310S, 309, 316Ti, 321/H, 304/L, 304H, 316/L, 316H
②DP Steel: UNS S31803, S32205, S32750, S32760
③Alloy steel: N04400, N08800, N08810, N08811, N08825, N08020, N08031, N06600, N06625, N08926, N08031, N10276

Product Introduction

In addition to piping systems, flanges are also used to connect pipes to pressure vessels, reactors, pumps, and other industrial equipment. These are often referred to as pressure vessel flanges or equipment flanges. Designed to withstand higher mechanical loads and pressure ratings, they ensure safe operation in critical applications such as boilers, storage tanks, and process vessels. Their robust construction helps prevent leaks and mechanical failures.

Product Parameters

NPS

DN15-DN2000,1/2″-80″

Pressure Rating

Class150-Class2500，PN10-PN160

Material

①Stainless Steel: 31254, 904/L, 347/H, 317/L, 310S, 309, 316Ti, 321/H, 304/L, 304H, 316/L, 316H

②DP Steel: UNS S31803, S32205, S32750, S32760

③Alloy steel: N04400, N08800, N08810, N08811, N08825, N08020, N08031, N06600, N06625, N08926, N08031, N10276

Core Technology

Hydropower: Turbine water intake pipelines employ stainless steel flanges to withstand hydraulic shock (e.g.,DN500 flanges with PN16 pressure rating).