Weld Neck Flange – Cangzhou Huairong Pipeline Equipment Co., Ltd.

PRODUCT PARAMETERS

The Weld Neck Flange is a widely used piping fitting designed for connections in high-pressure and high-temperature environments. Its characteristic neck extension provides greater strength and load-bearing capacity.

The Weld Neck Flange is typically welded to the pipeline, and the weld joint offers high strength, making it suitable for harsh conditions such as high pressure, high temperature, and strong corrosion. Its design helps reduce stress concentration, ensuring the stability and safety of the piping system. (Custom manufacturing available)

Application Fields: Widely used in petroleum, chemical, oil and gas transportation, power and energy, metallurgy, shipbuilding, pharmaceutical, heating systems, and long-distance pipelines. Suitable for demanding applications involving steam, petroleum products, gases, flammable and explosive media, and corrosive substances.

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Description

Item	Specification
Product Size	DN15–DN1200 (1/2″–48″) and other common specifications, customizable
Pressure Rating	PN2.5–PN400 / CLASS150, CLASS300, CLASS600, CLASS900, CLASS1500, CLASS2500
Manufacturing Standards	Compliant with GB, ANSI, DIN, JIS and other international standards
Material	Carbon steel, stainless steel, alloy steel, pipeline steel, low-temperature steel, duplex steel, etc.
Surface Treatment	Pickling and passivation, oil coating for rust prevention, painting, hot-dip galvanizing, etc.
Origin	China
Connection Type	Butt Welding
Temperature Range	-50°C ~ +450°C (specific temperature resistance depends on material and application conditions)

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