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Long Welding Neck Flange

Material:Hastelloy C22/UNS N06022/2.4602
Dimension:LWN RF 2" SCH40 CL150 ASTM B564
Standard:ASME B16.5
Category:Flange

Category:

Long Welding Neck Flange


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Product Description

Long Neck Flange: the neck is high, the steel and bearing capacity of the flange are improved. Compared with butt welding flange, welding workload is large, electrode consumption is high, can not withstand high temperature and high pressure and repeated bending and temperature fluctuations, but the site installation is more convenient, can omit the weld patting kneading process.Short Name:LWN.
Feature: It is convenient to install on site, and the process of patting and kneading welding seam can be omitted.
Main Materials: Alloy Steel Series: Nickel (base) alloy,High Temperature Alloy,Precision Alloy,Corrosion Alloy,Titanium Alloy,Chromium Alloy,Aluminum Alloy,Zirconium Alloy,etc.
Stainless Steel Series: Austenitic Stainless Steel,Duplex Stainless Steel,Martensitic Stainless Steel.
Dimension:1/8”-24”NPS (> agreement),DN6-600.
Pressure (Class):150-2500LB; PN2.5-PN420.
Standard: ASME/HG,etc.
Flange Facing: RF,RJF,MF,FMF,FF,SRF,TF,GF.
Nominal Thickness: SCH/STD/XXS/XS.
Production process: professional integral forging, forging and pressing manufacturing.
Processing mode: high precision CNC lathe turning, ordinary lathe finishing and other processing.
Connection: flange nut, bolt connection 
Main Application: boiler pressure vessel, petroleum, chemical, shipbuilding, pharmaceutical, metallurgy, machinery, food and other industries.

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