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Home > products > Pipe Fitting Flanges > DIN 2503 PN25 SO FF Slip On Flange Stainless Steel / Carbon Steel Flanges A105 For Oil and Gas Pipeline

DIN 2503 PN25 SO FF Slip On Flange Stainless Steel / Carbon Steel Flanges A105 For Oil and Gas Pipeline

Product Details

Place of Origin: Xi'an, Shaanxi Province, China

Brand Name: PeterTrade(PT)

Payment & Shipping Terms

Minimum Order Quantity: 1-10 Pieces

Price: negotiable

Packaging Details: Wooden Case,plywood Case,pallet Etc.

Delivery Time: about 15-45 days, accordingly

Payment Terms: D/A, T/T, L/C,D/P

Supply Ability: 100-200 Ton/Tons Per Month

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Highlight:

PN25 so ff flange

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DIN 2503 so ff flange

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Carbon Steel Flanges for shipbuilding

Product Standard:
DIN 2503 DIN Standard
Product Name:
Slip On Flanges
Product Face Type:
Mainly Include Raised Face (RF), Flat Face (FF), Also Include Ring Type Joint (RTJ), Lap-Joint Face (LJF)
Materials:
Carbon Steel Flanges And Stainless Steel Flanges
Pressures:
PN 25
Sizes:
From DN 10 To DN1200
Manufacturing Methods:
Casting, Forging, Casting And Forging, Medium Plate Cutting, Casting
Apply For:
Shipbuilding, Power Generation, Petrochemical Plants, Oil Refineries, Wastewater Treatment Plants, Paper Mills, Pharmaceutical Plants, And Turnkey Projects.
Product Standard:
DIN 2503 DIN Standard
Product Name:
Slip On Flanges
Product Face Type:
Mainly Include Raised Face (RF), Flat Face (FF), Also Include Ring Type Joint (RTJ), Lap-Joint Face (LJF)
Materials:
Carbon Steel Flanges And Stainless Steel Flanges
Pressures:
PN 25
Sizes:
From DN 10 To DN1200
Manufacturing Methods:
Casting, Forging, Casting And Forging, Medium Plate Cutting, Casting
Apply For:
Shipbuilding, Power Generation, Petrochemical Plants, Oil Refineries, Wastewater Treatment Plants, Paper Mills, Pharmaceutical Plants, And Turnkey Projects.
DIN 2503 PN25 SO FF Slip On Flange Stainless Steel / Carbon Steel Flanges A105 For Oil and Gas Pipeline

DIN 2503 PN25 Carbon Steel and Stainless Steel Slip On Flanges(SOFF) Flat Face

Introduction:

With a solid track record spanning over two decades, Shaanxi Peter International Trade Co., Ltd. has built a strong reputation as a leading supplier in the market. Our expertise lies in providing DIN 2503 Carbon Steel and Stainless Steel Slip On Flanges to meet the diverse needs of our customers.

 

Recognizing the significance of delivering high-quality products, we go above and beyond to ensure meticulous material selection and strict adherence to quality control processes at every stage of manufacturing and inspection. Our slip on flanges, crafted with precision, fully comply with DIN standards, guaranteeing reliability and durability across various industrial applications.

 

We cater to a wide range of industries, including shipbuilding, power generation, petrochemical plants, oil refineries, wastewater treatment plants, paper mills, pharmaceutical plants, and turnkey projects.

 

 

Description of DIN 2503 Slip On Flanges:

The DIN 2503 slip on flange is a type of flange that is affixed to a container or pipe through a fillet weld, offering versatility as a flange option. Depending on the connection integrity between the flange ring and the straight cylinder section, it can be designed as an integral or loose flange. DIN 2503 Slip on flanges provide various advantages, including space and weight savings, leak-free joints, and excellent sealing performance.

 

The compact design reduces the flange size by minimizing the seal diameter, resulting in a smaller cross-section of the sealing surface. Additionally, the use of sealing rings, rather than stainless steel gaskets, ensures optimal matching of the seal faces. Consequently, the required pressure is reduced, allowing for a decrease in the size and number of bolts. This ultimately leads to the creation of a new product that is smaller and lighter, weighing approximately 70% to 80% less than traditional flanges. Flat-welded flanges are considered high-quality flange products that offer advantages in terms of weight reduction and space optimization, making them valuable in industrial applications.

 

DIN 2503 Slip on flanges are suitable for pipe connections with a nominal pressure not exceeding 2.5 MPa and can be manufactured in smooth, convex, or recessed groove types. They are widely utilized, particularly in mild-medium conditions such as low-pressure non-purified compressed air and low-pressure circulating water, and their affordability is a significant advantage.

 

 

DIN 2503 Slip On Flange Dimensions:

DIN 2503 PN25 SO FF Slip On Flange Stainless Steel / Carbon Steel Flanges A105 For Oil and Gas Pipeline 0

DIN 2503 SLIP ON FLANGES PN 25
DN OD of flange ID of flange (d0) thickness of flange Diam of Bolt circle(c) Number of Bolt Dia of bolt Weight
PN25 D do T C N ØH KG
10 90 17.7 16 60 4 14 0.7
15 95 22 16 65 4 14 0.8
20 105 27.6 18 75 4 14 1.0
25 115 34.4 18 85 4 14 1.3
32 140 43.1 18 100 4 18 1.9
40 150 49 18 110 4 18 2.1
50 165 61.1 20 125 4 18 2.8
65 185 77.1 22 145 8 18 3.5
80 200 90.3 24 160 8 18 4.4
100 235 115.9 24 190 8 22 5.6
125 270 141.6 26 220 8 26 7.6
150 300 170.5 28 250 8 26 9.6
175 330 196.1 28 280 12 26 10.8
200 360 221.8 30 310 12 26 13.4
250 425 276.2 32 370 12 30 18.5
300 485 327.6 34 430 16 30 23.9
350 555 359.7 38 490 16 33 37.9
400 620 411 40 550 16 36 48.1
450 670 462.3 44 600 20 36 56.9
500 730 513.6 44 660 20 36 66.1
600 845 616.5 50 770 20 39 93.8
700 960 716 52 875 24 42 117.8
800 1085 818 56 990 24 48 156.7
900 1185 920 62 1090 28 48 189.0
1000 1320 1022 68 1210 28 56 256.4
1200 1530 1226 60 1420 32 56 289.7

1.Dimensions are in millimeters(mm).

2.Dimensions can be specified by different purchasers.

 

 

Advantages of Carbon Steel and Stainless Steel Slip On Flanges:

The primary advantage of using a carbon steel  or stainless steel slip on flange is the cost savings associated with welding. Instead of welding a weld neck flange, a slip on flange can be easily inserted onto the end of a pipe, and a fillet weld can be performed. This eliminates the need for additional welding expenses. Furthermore, slip-on flanges have a slightly larger bore than the connecting pipe, reducing the need for extensive longitudinal space.

 

Another advantages of carbon steel and stainless steel slip on flanges is their ease of alignment. They require less precision in cutting the pipe to length, making the installation process more straightforward. Additionally, slip-on flanges are generally less expensive than weld neck flanges, making them a preferred choice for some contractors. These flanges can also serve as replacements for weld neck flanges.

 

Precise sizing of the flange is crucial to ensure proper installation and prevent leaks. It is important to measure the flange's inside and outside diameters accurately to determine the appropriate size for your specific pipe and application.

Carbon Steel and stainless steel slip on flanges offer enhanced durability and resistance to rust. Some flanges are equipped with raised faces to improve pressure-holding capabilities.

 

Carbon Steel and Stainless Steel Slip on flanges are widely used in various applications, including fluid pipelines, high-pressure systems, and low-pressure water lines. They are generally more cost-effective than weld neck flanges and can be manufactured through forging, casting, or welding processes. Different styles of slip on flanges, such as flat-faced, raised-face, and orifice designs, are available to accommodate specific requirements.

 

 

The Most Common Materials of Carbon Steel Slip On Flanges:

A common and widely used material grade for carbon steel flanges is A105 forged carbon steel. They are designed to withstand temperatures ranging from ambient up to 1,000 degrees Fahrenheit and pressures between 20 to 6,170 psi. Carbon steel flanges are known for their wide temperature and pressure range, which makes them suitable for numerous industrial applications. Additionally, they are often chosen for their cost-effectiveness.

 

Modern carbon steel typically contains a carbon content of up to 2.1% by weight and is primarily alloyed with iron. The term "carbon steel" is sometimes used to refer to steel that does not have a significant amount of chromium or nickel. The carbon content in A105 flanges can vary, with a maximum allowable carbon composition of 0.35%. Increasing the carbon content in steel leads to increased hardness and strength, achieved through heat treatment processes such as quenching, tempering, and normalizing. However, as carbon steel is treated, it becomes less ductile and more brittle. This can make shaping and welding slightly more challenging. Despite this, the benefits of carbon steel in terms of its wide temperature and pressure range often outweigh the extra effort required for forming weld seals.

 

In terms of trace elements, A105 carbon steel flanges do not require any specified minimum content of alloy elements like molybdenum, nickel, chromium, titanium, or vanadium.

 

 

Applications of DIN 2503 Carbon Steel and Stainless Steel Slip On Flanges:

Oil and Gas Industry: Carbon steel and stainless steel slip on flanges are commonly used in the oil and gas industry for various applications such as pipelines, refineries, and petrochemical plants. They are suitable for low to moderate pressure and temperature environments.

 

Power Generation: Carbon steel and stainless steel slip on flanges find application in power generation facilities, including power plants and thermal power stations. They are used for connecting pipes in steam, water, or gas distribution systems.

 

Water and Wastewater Treatment: Carbon steel and stainless steel slip on flanges are utilized in water treatment plants, wastewater treatment facilities, and desalination plants. They provide secure connections for pipes carrying water, chemicals, or other fluids.

 

Construction and Infrastructure: Carbon steel and stainless steel slip on flanges are widely used in construction projects such as buildings, bridges, and infrastructure. They are suitable for connecting pipes in HVAC systems, plumbing, and fire protection systems.

 

Industrial Processes: Carbon steel and stainless stel slip on flanges are employed in various industrial processes, including manufacturing, chemical processing, and mining. They are used to connect pipes in conveying fluids, gases, or abrasive materials.

 

Food and Beverage Industry: Carbon steel and stainless steel slip on flanges are commonly used in the food and beverage industry due to their hygienic properties and resistance to corrosion. They are suitable for connecting pipes in processing, bottling, and storage systems.

 

Pharmaceuticals: Carbon Steel and stainless steel slip on flanges are utilized in pharmaceutical manufacturing facilities where cleanliness and hygiene are critical. They are used for connecting pipes in drug production, purification, and distribution systems.

 

Chemical Processing: Carbon Steel and stainless steel slip on flanges find application in chemical processing plants where resistance to corrosion and chemical compatibility are essential. They are used for connecting pipes carrying corrosive chemicals, acids, or solvents.