GOST-112821-80 PN40 Alloy Steel Welding Neck Flange

GOST-112821-80 PN40 Alloy Steel Welding Neck Flange introduction

GOST-112821-80 PN40 Alloy Steel Welding Neck Flange is designed to be joined to a piping system by butt welding, including lots of specification, but it is preferred for high stress applications. The gradual transition of thickness from the base of the hub to the wall thickness at the butt weld provides important reinforcement of the Weld Neck flange. The bore of Weld-Neck flange matches bore of the pipeline, reducing turbulence and erosion.

GOST-112821-80 PN40 Alloy Steel Welding Neck Flange specification

Type	Alloy steel flange: welding neck flange (WN)
PN40	DN10-1200
Steel processing	Forged
Certificate	ABS, CCS, DNV, GL, BV, LR, KR, etc.
Application	Petroleum, chemical, food industry, marine, automobile industry, rail building, general engineering, etc.

GOST-112821-80 PN40 Alloy Steel Welding Neck Flange dimensions (refer to the catalogue for more)

GOST-112821-80-PN40-Alloy-Steel-Welding-neck-flange-dimensions.jpg

GOST-112821-80 PN40 Alloy Steel Welding Neck Flange show

GOST-112821-80 PN40 Alloy Steel Welding Neck Flange forging

GOST-112821-80 PN40 Alloy Steel Welding Neck Flange processing

GOST-112821-80 PN40 Alloy Steel Welding Neck Flange workshop

GOST-112821-80 PN40 Alloy Steel Welding Neck Flange cooperation

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