Professional manufacturer of pipeline equipment
Surfacing flange
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The submerged arc welding flange is the core sealing and pressure-bearing component for connecting the pipeline system and equipment. By welding a layer of corrosion-resistant, wear-resistant or high-temperature-resistant alloy (such as stainless steel, nickel-based alloy, or hard alloy) onto the surface of the flange base, it combines the high strength of the base material with the special adaptability of the welded layer to specific working conditions. It is widely used in harsh environments such as petrochemicals, power, metallurgy, coal chemical industry, and deep-sea oil and gas, and is a key component for ensuring the reliable and long-term stable operation of the pipeline system under conditions of strong corrosion and high pressure and high temperature. Product Specifications
Structural type: Flat butt-welded flange, butt-welded flange, necked butt-welded flange, suitable for different installation strengths and sealing requirements.
Nominal diameter: DN15 - DN2000, covering the connection needs from small-diameter precision pipelines to large industrial equipment.
Pressure class: PN1.0 - PN42.0, suitable for low-pressure to ultra-high-pressure conditions, in line with pressure standards such as GB, ANSI, etc.
Welding material: Stainless steel (304, 316L, 317L), nickel-based alloys (Inconel, Hastelloy), hard alloys (Stellite), etc., customizable as needed.
Standards: GB/T 9115, ANSI B16.5, API 605, DIN EN 1092, etc., domestic and international standards, the welding process complies with ASME IX, NACE MR0175, etc. specifications.
About Chongyuankai Pipeline
The company is a professional manufacturer of pressure pipeline equipment and accessories. It can produce high, medium and low pressure pipe fittings and flange products of different materials according to American standards, European standards and industry standards, with an annual production capacity of 400,000 tons. The products are used in petroleum, petrochemical, offshore oil, electricity, chemical, thermal power, shipbuilding, natural gas and other industries. The main markets are distributed in China, Asia (East Asia/Southeast Asia), Europe, Africa and the Middle East.
Advanced equipment, modern management, high-quality steel raw materials.
We create innovative solutions to the demands of our business partners with our expert R&D team and engineers.
We have many years of export experience and sold to more than 30 countries.
FAQ
Can I have my own custom product?
Yes. oem and odm can be provided, including design, logo, packaging, etc.
What is the minimum order quantity?
It depends on the product.
What are the terms of payment?
Wire transfer or letter of credit, Western Union, Alipay, etc.
When is the delivery time?
Inventory orders within 7-15 days, for oem and odm orders, the specific time depends on the actual situation.
Can I take samples for testing?
Yes, samples can be sent for testing before bulk ordering.
Do you have pre-shipment inspection procedures?
Yes, we always test the products before delivery.
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