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Product overview
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Product advantages
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Market applications
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Cooperative clients
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Product certification
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Core parameters
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Service support
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Contact us
Product overview
Welding neck flange refers to a flange with a tapered neck and butt-welded to the cylinder or pipe. It is an integral flange. Due to the transition structure of the tapered neck and the butt welding connection, the strength and rigidity of the flange are enhanced, and the sealing is better than plate flange.
Specification parameters
Product advantages
Advanced technology, reliable qualityWe use the near net shape precision forging technology, the process is stable and the quality is reliable. We also use high-performance lathes to ensure the surface quality.
Complete specifications, timely delivery.We produce a full range of flange finished products/blanks in DN15-DN400 specifications, with strong supply guarantee capabilities, complete varieties, and 10,000 tons of inventory.
Market applications
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Oil and Gas Pipe Fittings
Cooperative partner
Longteng Special Steel actively seek industry cooperation, jointly promote industry progress and dev
Product certification
Provide excellent after-sales service methods and strategies
- Establish a comprehensive after-sales service system, cultivate a professional after-sales service team, and continuously improve the quality of after-sales service
- 7 * 24-hour timely response to customer needs
- Professional engineers provide personalized solutions
- Having professional technical means to improve after-sales service efficiency
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