Your Professional Flange Supplier

 

 

Our goal is to be your true partner in Flange field in China.YOSUN is an international piping system material manufacturer and supplier, focusing on serving for oil & gas transporting, offshore platform, refinerying & chemical, nuclear power, vessel building, steel construction & machining.

  • Transportation Systems-Flange
    According to ISO 15590-3-2004
  • Steel Pipe Flanges
    According to JIS B 2220-2004
  • Integral Pipe Flange
    Integral flanges, also known as Long Weld Neck (LWN) flanges, materials are carbon steel, stainless steel, alloy steel and so on. In various domestic standards, IF is used to indicate the integral
  • Flange Spectacle Blind
    Blind flange, also known as blind flange. It is a connection form of flange. It's basically a flange without a hole in the middle. One of its functions is to block the end of the pipeline, and the
  • Forged Welding Neck Flange
    Forged Welding Neck flange refers to a flange with a cone neck and butt welded with a cylinder or pipe. It belongs to the integral flange. Due to the excessive structure of the cone neck and the butt
  • Forged Slip On Flange
    A slip-on flange is connected to the pipe or the fittings by two fillet welds, one executed inside and one outside the cavity of the flange. Slip-on flanges are also defined Hubbed Flanges and they
  • Socket Weld Flange
    Socket welding flange refers to the pipe end inserted into the flange ring ladder, welded in the pipe end and the outer flange. There are two types with and without a neck. The rigidity of the flange
  • Reducing Flange
    Reducing flange, also known as the size head flange or reducing flange, the inner diameter size and the standard flange inner diameter size there is a certain difference, is a diameter change of the
  • Stainless Steel Pipe Flanges
    According to A182/A182M − 15
 
Why Choose Us
 

Our market
After more than 15 years of efforts in the international market, YOSUN has successfully entered the Middle East, America, Africa and Europe markets.

 

Our products
Our main products are seamless and welded carbon pipes, seamless and welded alloy pipes, seamless and welded stainless steel pipes, flanges, fittings and coatings, as well as a series of special steel pipes and structural steel products.

 

Our applications

For oil & gas transporting, offshore platform, refinerying & chemical, nuclear power, vessel building, steel construction & machining.

 

Our services
High-quality customer service, usage tracking and positive feedback. Quick response within 24 hours.

 

Advantages of Flange
Forged Welding Neck Flange
Flange Spectacle Blind
Forged Slip On Flange
Socket Weld Flange

Easy assembly and disassembly - Flanges allow for quick and easy connection and disconnection of pipes and equipment. This is particularly useful for maintenance and repairs.

 

Versatility - Flanges come in various types and sizes, accommodating a wide range of applications, including water supply, gas distribution, and industrial processes.

 

Sealing capability - Flanges can provide a reliable seal, preventing leaks in a piping system. Gaskets are often used in conjunction with flanges to enhance sealing.

 

Strength and stability - Flanged connections can handle high-pressure and high-temperature conditions, making them suitable for demanding environments.

 

Alignment - Flanges help ensure proper alignment of connected pipes and equipment, reducing the risk of stress and failure in the system.

 

Maintenance - With flanged connections, it’s easier to replace components without needing to disturb the entire system, which streamlines maintenance processes.

 

Cost-effective - Using flanges can reduce installation time and costs, especially in complex systems where frequent access is needed.

 

Standardization - Many flanges conform to industry standards (e.g., ANSI, ASME), which simplifies design and compatibility across different systems and components.

 

Applications of Flange

 
Industrial applications

Flanges are crucial components in industrial systems, ensuring secure connections and efficient fluid handling. In manufacturing industries, they play a vital role in hydraulic and pneumatic systems, including injection molding machines and assembly lines. These systems rely on flanges to provide precise alignments and robust connections, which are critical for maintaining operational efficiency and minimizing downtime.

 
Petrochemical industry

The petrochemical industry requires high-performance flanges to withstand the extreme conditions of oil refineries, chemical processing plants, and natural gas facilities. Long welding neck flanges are particularly favored for their ability to handle high pressure and temperature, ensuring leak-proof connections in these demanding environments.

 
Power generation

Flanges are essential in power plants for connecting turbines, boilers, and cooling systems, ensuring these high-pressure lines remain secure and efficient. They play a crucial role in maintaining the integrity of steam and water lines, which operate under high pressure and temperature. By allowing easy maintenance and replacement of components, flanges ensure the continuous and reliable operation of power plants.

 
Marine industry

Flanges in the marine industry must withstand harsh environments, including saltwater and fluctuating temperatures. They are used in ballast water systems, fuel lines, and propulsion systems where durability is crucial. These applications require flanges that can provide reliable and robust connections, ensuring the safety and efficiency of marine operations.

 
Water and wastewater treatment

In water and wastewater treatment plants, flanges connect pumps, pipelines, and filtration systems. These facilities need flanges that can resist corrosion and handle varying flow rates and pressures. The ability to quickly disassemble and reassemble flanged connections is vital for routine maintenance and system upgrades, ensuring the continuous operation of treatment processes.

 
Food and beverage industry

The food and beverage industry uses flanges to maintain sanitary conditions and ensure easy cleaning. Stainless steel flanges are commonly used due to their resistance to corrosion and ability to maintain hygiene. These flanges are found in processing lines, bottling plants, and packaging systems, facilitating secure and sterile connections.

 
Pharmaceutical industry

Pharmaceutical applications demand high-purity flanges that can withstand rigorous cleaning and sterilization processes. Flanges made from stainless steel or other corrosion-resistant materials connect equipment in production lines, including reactors, mixers, and transfer lines. Maintaining a sterile environment is crucial for ensuring product safety and quality.

 

 

Product Description

 

FLANGE

Type

Plate flange ,Lap Joint Flange ,Threaded flange,
Socket Welding Flange, Blind Flange, Slip on Flange .

Technics

Forged,Cast.

Size

1/2"-80"(DN15-DN2000)

Pressure

150 lbs - 2500lbs
PN6-PN250
0.6Mpa-32Mpa
5k-30k

Standard

ANSI B16.5/ANSI B16.47/API 605 MSS SP44,AWWA C207-2007/ANSI B16.48
DIN2503/2502/2576/2573/860296/86030/2565-2569/2527/2630-2638
UNI6091/6092/6093/6094/6095/6096/6097/6098/6099
JIS B2220/B2203/B2238/G3451
GOST 1836/1821/1820
BS4504
EN1092
SABS1123

Material

Carbon steel: Q235A, Q235B,Q345BC22.8, ASTM A105, SS400

Alloy steel: ASTM A694,F42,F46, F52,F56, F60, F65, A350 LF2 ,

Stainless steel: ASTM A182 F1, F5, F9, F22, F91,
310/F304/304L/F316/F316L, F321, F347.

Surface treatment

Polish

 

Delivery

 

Selling Units:

Single item

Single package size:

19X19X2.4 cm

Single gross weight:

4.920 kg

 

Lead Time

 

Quantity (pieces)

1 - 200

201 - 500

501 - 1000

> 1000

Lead time (days)

5

7

10

To be negotiated

 

Marking and Packing

 

productcate-554-510

 

1. Each flange or pipe fittings is wiped after ultrasonic cleaning.

2. Each flange or pipe fittings is individually packaged with bubble protective film and placed in a wooden box.

3. All products are packed in plywood boxes. For larger size flanges, packed in plywood pallets. Or you can customize the packaging by yourself.

4. Shipping marks can be made as required

5. Product label can be engraved or printed. Accept OEM.

 

Inspection

 

productcate-481-342

1. Spectral detection

2. UT test

3. PT test

4. Size test

Before delivery, our QC team will arrange NDT testing and dimension inspection.

TPI (Third Party Inspection) is also accepted.

 

FAQ

Q: Do you accept customization?

A: Yes. We not only can customize flanges size and also marking.

Q: What's the lead-time?

A: Common items are stocked just need 5-7 days. Big volume order usually takes about 25-30 days.

Q:What's your payment term?

A: 30% L/C or T/T for deposit, balance to be paid before shipment.

Q: How's your after sales service?

A: Quality are promised. If our products are not meet the contract because of production, we will provide solution and take related repair cost.

Yosun (Tianjin) Piping Engineering Co., Ltd. is one of the most professional flange manufacturers and suppliers in China, specialized in providing high quality customized products. Be free to wholesale flange in stock here and get quotation from our factory. For price consultation, contact us.

stability of carbon seamless steel pipe, din carbon steel pipe, food processing carbon steel pipe
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