Welding Neck Flange with Corrosion-Resistant Features for Pipe Systems

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Dingxiang Jinyu Forging Co., Ltd

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Profile Certified by SGS/BV
DN15-DN300
ANSI, DIN, GB, JIS, GOST, BSW
Welding Flange
Carbon Steel
Lateral
Welding
RF
Forging
Forging
Tensile
Corrosion-Resistant
Hardness
Easy
Silver Gray
SHANXI JINYU
Plywood Box
DN15-DN300
Zhongguo Shanxi
73079100
Product Description
Structural Characteristicsmanufacturing processperformance parameter
presentationpresentationpresentation
      
Flange plateIt is usually circular, and its diameter is determined according to the size of the connected pipeline. There are several bolt holes evenly distributed on it, which are used to install bolts to achieve a firm connection.Selection of raw materialsMaterials such as carbon steel, stainless steel, and alloy steel are often selected. The material selection must strictly comply with relevant standards and design requirements to ensure the quality and service life of the flange.Pressure gradeCommonly, there are pressure grades such as PN0.25MPa, PN0.6MPa, PN1.0MPa, PN1.6MPa, PN2.5MPa, PN4.0MPa and so on.
      
Sealing surfaceCommon types include flat face (FF), raised face (RF), etc. The flat sealing surface has a simple structure and is easy to process, but its sealing performance is relatively weak. It is suitable for working conditions with low pressure and non - toxic and harmless media. The raised face sealing surface has a boss added on the basis of the flat face, so it has better sealing performance and is suitable for medium - and low - pressure working conditions.Forging or castingThe main methods for manufacturing the blank are forging and casting. Forging can improve the mechanical properties of the material, making the flange have better strength and toughness, but the cost is relatively high. Casting has high production efficiency and low cost, but the internal quality of the product is relatively poor. Dimension specification It is determined according to the nominal diameter (DN) and nominal pressure (PN) of the pipeline. The national standards have clear regulations on its dimensions, the number and diameter of bolt holes, the thickness of the flange, etc.
      
Welding grooveThe welding end is usually designed with a welding groove. Common forms include V-shaped, U-shaped, etc. The form and size of the groove vary according to different welding methods and pipeline materials, with the aim of ensuring the welding qualityMachiningAfter the blank is forged or cast, it is necessary to carry out machining operations such as turning, milling, and drilling to meet the specified dimensional and precision requirements. During the processing, the technological parameters should be strictly controlled to ensure dimensional accuracy and surface quality. Sealing performanceIts quality depends on factors such as the form of the sealing surface, the material of the gasket, and the installation quality. Good sealing performance can prevent the leakage of the medium and ensure the safe operation of the pipeline system.


Product Description

Dingxiang Jinyu Forging Co., Ltd. proudly stands as a beacon in the heart of Dashagou Village, Jiangcun Township, Dingxiang County, Xinzhou, famously recognized as the "hometown of Chinese forging." With a robust registered capital of 5 million yuan, our strategic location places us just 100 kilometers from the provincial capital, Taiyuan, ensuring seamless road and railway connectivity. Our region is abundant in coal, electricity, and iron resources, reinforcing our status as a premier manufacturer of forged flanges and pressure vessel forgings. We excel in the seamless integration of design, raw material procurement, cutting, forging, heat treatment, machining, mechanical testing, non-destructive testing, mechanical typing, painting, packaging, and shipping operations. Our impressive annual production capacity surpasses 10,000 tons, offering specifications that range from DN15 to DN6000mm. Each finished product can weigh up to 20 tons, with pressure capabilities spanning from 150 to 2500 pounds. We adhere to various standards including national, American, British, German, Japanese, and non-standard flanges and forgings.

Our production harnesses the finest materials, including high-quality carbon structural steel, low-alloy high-strength steel, heat-resistant steel, and a spectrum of stainless steels. This range encompasses carbon body, austenitic, martensitic, dispersion hardening, and duplex stainless steel varieties, ensuring enduring performance and reliability.

Sprawling over an expansive area exceeding 10,000 square meters, our company employs a dedicated team of 105 fixed employees. This includes 8 adept management personnel, all possessing high school education or higher. For a comprehensive view of our organizational structure, please refer to the attached table. Our facility is equipped with cutting, forging, machining, and packaging workshops, alongside dedicated warehouses for raw materials, semi-finished, and finished products.
Q1: Can I obtain samples?
Yes, we are pleased to offer samples upon request.

Q2: Can I use my own logo or design on the product?
Absolutely. We offer personalized OEM/ODM services where your unique logo and design can be beautifully crafted onto the product.

Q3: Do you have a factory?
Yes, we proudly operate a state-of-the-art factory in Shanxi. We warmly welcome you to visit our company and facility, where we specialize in offering professional OEM/ODM services to our valued customers.

Q4: What is the production capacity of your factory?
Our factory boasts a substantial production capacity, efficiently producing up to 2,000 tons each month.

Q5: When will the shipment be made?
All our exceptional products are readily available and will be dispatched within 5 days. We guarantee the delivery of 2,000 pieces within just 7 days.

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