Welding Neck Flanges

Characteristics of Welding Neck Flanges:
1.Strong Connection: Welding Neck Flanges provide excellent strength and stability due to their long tapered neck, which allows for a more gradual transition between the flange and the pipe.
2.High-Pressure Capability: They are well-suited for high-pressure and high-temperature applications, making them ideal for critical piping systems.
3.Alignment Assurance: The design helps in maintaining proper alignment during welding, which is essential for ensuring a leak-proof connection.
4.Reinforced Structure: Welding Neck Flanges is designed to be welded to the pipe, allowing for the transfer of stresses into the pipe rather than the flange itself.
5.Versatile Use: Commonly used in sectors like oil and gas, chemical processing, and power generation due to their reliability and performance.

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Zhejiang Chengjiu Pipeline Co., Ltd. is one of the most reliable manufacturers and suppliers of welding neck flanges in China, also supports customized service. Please feel free to buy high quality welding neck flanges from our factory. Good service and reasonable price are available.

Product Description

Welding Neck Flanges
Material	SS304, SS316, SS304L, SS316L, SS321, SS310 ,1.4401, 1.4403 Duplex Stainless Steel: 9041L 2205, 2507, 254SMO, etc
Type	Weld Neck
Class	1K, 2K, 5K, 10K, 16K, 20K, 30K, 40K
Standard	JIS B2220, KS B1511, KS B1503, KS B2332/2333, KS B6216, KS D3578, KS D4308
Size	1/2"NB to 48"NB
Connection	RF , FF (See the following pic. for the difference between the different connection surfaces)
Application	For Water, Oil and Gas Industrial
Certificate	CE / ISO / SGS

Please refer to the following image that displays various types of flange sealing surfaces

Process Flow

FAQ

Q: Do you accept custom flanges?

A: Yes, we can accommodate custom requests according to your drawings.

Q: What is your delivery lead time?

A: For a full container load, the lead time is 15 to 20 days. For orders less than a full container, the lead time is 5 to 10 days.

Q: How is the quality of your products?

A: With 12 years of manufacturing experience, we maintain strict quality control and can easily pass your third-party inspections.

Q: How competitive are your product prices?

A: As a professional manufacturer, our prices are also competitive and can provide you with unexpected advantages in the market.

Q: What trade terms do you offer?

A: We can accommodate various trade terms, including EXW, FOB, CFR, CIF, and DDP.

Q: What currencies do you accept?

A: We primarily accept USD and RMB, but we can also accept other currencies if permitted by the bank.

Q: What types of certificates of origin can you provide?

A: We can provide CO, FORM A, FORM B, FORM E, FORM P, FORM F, FORM R, FORM AU, FORM KO, FORM N, FORM X, FORM S, FORM L, and FORM H.

Q: What are your payment terms?

A: We require a 30% deposit, with the remaining 70% payable before shipment or upon receipt of the bill of lading.

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