Audited Supplier
Stainless pipe flanges play a critical role in various industrial applications, serving as essential components that connect pipes, valves, pumps, and other equipment to form a piping system. Flanges provide the flexibility to dismantle and inspect systems, which is crucial for maintenance and repairs. The selection of the appropriate flange type is a pivotal factor that affects the performance, durability, and efficiency of the entire system.
For factory managers, distributors, and channel partners, understanding the different types of stainless pipe flanges available is crucial for making informed decisions. This paper delves into the various types of stainless pipe flanges, their specific applications, and the key considerations for selecting the right flange for your needs.
| 24inch 304L 316L forged Stainless Welding Neck/SO/blind/PL/orifice plate Steel Flange with ANSI DIN EN ASME from wenzhou-production(shelf bracket) | |
| Type | Plate flange ,Lap Joint Flange ,Threaded flange,Socket Welding Flange, Blind Flange, Slip on Flange . |
| Technics | Forged,Cast. |
| Size | 1/2"-120"(DN15-DN3000) |
| Pressure | 150psi-2500psi(0.6Mpa-42 Mpa) |
| Standred | ANSI B16.5/ANSI B16.47/API 605 MSS SP44,AWWA C207-2007/ANSI B16.48 DIN2527-2367 JIS B2220/B2203/B2238/G3451 BS4504 EN1092 |
| Material | Carbon steel: Q235A, Q235B,Q345BC22.8, ASTM A105, SS400 |
| Alloy steel: N04400/400,N06625/625,N08825/825,N10276/C276,800/800H,600/600H | |
| Stainless steel: 310/F304/304L/F316/F316L, F321, F347. | |
| Surface treatment | polish,sand blasting,sand rolling,annealign, etc |
| Application Fields | Chemical Industry /Petroleum Industry /Power Industry/Metallurgical Industry Building Industry /Ship-building Industry |
| PACKING | plywood cases, pallets, nylon bags or according to the customers' requirements |
| Sealing Face | FF RF MF FM T/G RJ |
| Origin | CHINA |
| HS code | 73072100 |
| Certificate | ISO,CCS,API,PED,LR etc |
Comparison of Stainless Pipe Flange Types
When comparing these different types of stainless pipe flanges, several factors must be considered to determine which flange type is most appropriate for a given application:
Pressure and Temperature Ratings
Weld Neck Flanges offer superior performance under high pressure and temperature conditions compared to Slip-On or Threaded Flanges. If your application involves extreme conditions, Weld Neck Flanges are generally recommended due to their robust design and ability to distribute stress evenly across the connection.
Installation Ease
Slip-On Flanges are easier to install than Weld Neck Flanges because they do not require precise alignment during installation. Threaded Flanges offer even greater ease since no welding is required at all. Lap Joint Flanges provide flexibility during installation but require a stub end for proper use.
Maintenance Requirements
Lap Joint Flanges are particularly advantageous in applications requiring frequent disassembly or inspection because they allow easy removal without cutting or damaging the pipe or flange itself.
Cost Considerations
Cost is another important factor when choosing a flange type. Slip-On Flanges tend to be more cost-effective than Weld Neck Flanges due to their simpler design and easier installation process. However, if long-term durability under extreme conditions is required, Weld Neck Flanges might offer better value despite their higher initial cost.
1.How many countries you already expeorted?
--We exported stainless steel pipes to more than 30 countries mainly from Egypt,Turkey,India,Iran,Dubai,Thailand,Philippine
2.What is our product range?
--Based on our stainless steel seamless pipe factory, We supply the ONE-STOP service fittings,flanges, valves etc.
3.What is your delivery time?
--It depends on the demanded quantities and your location, nearly in 15-50days.
4. Can you provide OEM service?
-- Yes. Welcom to contact us for more details discuss.
5. Can we visit your factory?
-- Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
6.What is detail of the welded neck flanges you need know ?
--These pipe flanges attach by welding the pipe to the neck of the flange. This transfers stress from the flange to the pipe instead. It also reduces the stress concentration from the base of the hub. Weld neck flanges are often used for applications where high pressure is a factor. The inside diameter of the flange is designed to match the pipe's inside diameter. Weld Neck flanges with a hub have published specifications that range from 1/2″ thru 96″.
Weld neck flanges are typically provided with a raised face, flat face, or RTJ facing. When a raised face is necessary for weld neck flanges, the standard height is 1/16″ for weld neck pipe flanges under 400#. For weld neck pipe flanges of 400# and up, the standard weld neck flange raised face height is 1/4″.
7.How to choose flanges?
--First,flanges are available in several materials, including carbon steel, stainless steel, and various alloys;
Second,it is essential to ensure it matches the pipe's outer diameter,don't forget pay attention to the size of flange. If the flange is too small, it may not be possible to attach it to the pipe.
Third,the pressure rating depends on the material and size of the flange,and maybe your working industry need specific flange pressure;
Forth,Flanges are available in several face types, need you to make decision(just as our part 2 mentioned);
End,several other application-specific factors should be considered when selecting flanges.
