4″ 1500 XH RFWN FLANGE CARBON STEEL IMPORT

The 4″ 1500 XH RFWN Flange Carbon Steel Import is designed for high-pressure applications where durability and strength are of great concern. This 4-inch NPS flange, rated for 1500 class and extra heavy duty, offers a dependable solution for various industrial needs. It is coated in black paint to guard against corrosion and has been kept in like-new condition, ready for immediate use.

Key Features

• Extra Heavy (XH) Duty: The “XH” stands for extra heavy, which describes the thickness or wall thickness of the flange. An extra heavy flange is designed to be thicker and more durable than standard flanges, providing enhanced durability and strength. This flange is built to handle high-pressure environments, providing the strength needed for demanding tasks.
• 1500 Class: “1500” refers to the pressure class of the flange. Pressure classes are standardized ratings that indicate the maximum pressure the flange can handle at a specific temperature. In this case, “1500” means this flange is rated for Class 1500, which denotes its ability to handle high-pressure applications.
• Usage: This class is used in applications where the pressure requirements are very high, making the flange suitable for heavy-duty and high-pressure systems.
• Raised Face Design: The raised face enhances the flange’s sealing performance by providing a better surface for gaskets, which helps prevent leaks. The raised face is the part of the flange that protrudes slightly above the rest of the flange’s surface. It is essentially a ring that is raised above the flange’s bolting surface and is designed to come into direct contact with the gasket when the flange is bolted in place.
  • Improved Sealing: The raised face increases the surface area that is in contact with the gasket, leading to better sealing performance and reduced risk of leakage.
  • Enhanced Pressure Handling: The design allows the flange to handle higher pressures by distributing the load more evenly across the gasket.
  • Standardization: Raised face flanges conform to widely accepted standards, making them compatible with various piping systems and gaskets.
• Weld Neck Configuration: This design integrates the flange directly with the pipe, offering a strong connection that can handle thermal changes and mechanical stresses. A weld neck flange features a long, tapered neck that is welded to the pipe. The flange’s neck gradually tapers from the flange body to the pipe, providing a smooth transition.
  • Tapered Neck: The flange has a neck that tapers from a larger diameter at the flange face to the diameter of the connected pipe, allowing for a smooth flow of fluids.
  • Welding: The neck is welded to the pipe using a full penetration weld (or “butt weld”), which means the weld joins the entire thickness of both the flange and the pipe, creating a strong, continuous connection.
  • Strength: The design provides high mechanical strength and is well-suited for high-pressure and high-temperature applications.
• Eight Bolt Holes: The flange features eight bolt holes, providing secure attachment and a stable connection to pipes. Here’s a link to a free bolting chart for your convenience.
• Indoor Storage: Stored indoors and in like-new condition, this flange is ready to go right out of the box.
• Carbon Steel Construction: Made from carbon steel, the flange offers durability and resistance to wear, suitable for a range of industrial applications. This flange is crafted from carbon steel, which primarily consists of iron and carbon. It is known for its strength, durability, and affordability. Generally this material type is more affordable than stainless steel or alloy flanges, making them a cost-effective option for many applications.

Benefits of Carbon Steel Over Other Material Types:

• • Strength and Durability: Carbon steel flanges offer excellent tensile strength and durability, making them suitable for high-pressure and high-stress environments.
  • Cost: They are generally less expensive than stainless steel or alloy flanges, providing a budget-friendly option without compromising on performance for many applications.
  • Weldability: Carbon steel flanges are easier to weld compared to some other materials, facilitating easier installation and maintenance.
  • Corrosion Protection: Carbon steel flanges are less resistant to corrosion compared to stainless steel or alloy materials. They may require additional coatings or treatments if used in corrosive environments.  The black paint coating provides an additional layer of protection against corrosion, helping to extend the flange’s lifespan even in harsh conditions.

Common Applications for 4″ 1500 XH RFWN Flange Carbon Steel Import

This flange is widely used in industries where high pressure and strong connections are necessary:

1. Oil and Gas: Ideal for pipelines and equipment where high pressure is a constant factor, ensuring a secure and tight fit.
   • Pipeline Systems: These flanges are used to connect pipes in the extensive pipeline systems that transport oil and gas from extraction sites to refineries and distribution centers. They ensure a secure and stable connection, crucial for maintaining the integrity of the pipeline under high pressure.
   • Drilling Rigs: In drilling operations, carbon steel flanges are used to connect various components of the drilling equipment. Their strength and durability help withstand the high pressures and mechanical stresses encountered during drilling.
   • Processing Facilities: Carbon steel flanges are utilized in processing plants where oil and gas are refined and treated. They are part of the infrastructure that ensures smooth and efficient processing by securely connecting different sections of the processing equipment.
   • Compressor and Pump Stations: In compressor and pump stations, carbon steel flanges connect pumps, compressors, and other critical components. They are designed to handle the pressures involved in boosting and transporting oil and gas through the pipeline system.
2. Chemical Processing: Suitable for handling chemicals and high-pressure systems, where reliable connections are needed to prevent leaks.
   • Piping Systems for Reactors: Carbon steel flanges are used to connect pipes that feed into and out of chemical reactors. The durability and strength of these flanges are essential for maintaining the integrity of the reactor under varying pressures and temperatures.
   • Transfer Lines for Chemicals: In systems that transfer chemicals between different stages of processing, carbon steel flanges provide secure connections that ensure a leak-proof and stable transport of chemicals.
   • Heat Exchangers: Carbon steel flanges are used to connect heat exchangers to piping systems. They ensure that the heat exchangers operate efficiently by maintaining a reliable connection under thermal and mechanical stresses.
   • Storage Tanks: Carbon steel flanges are employed to connect pipes and valves to storage tanks where chemicals are stored. Their strength helps in managing the pressures involved in storing various substances.
   • Filtration Systems: In filtration systems used to purify chemicals, carbon steel flanges are used to connect filter units to the main piping. They ensure a secure and stable connection that supports effective filtration.
3. Manufacturing: Used in heavy machinery and systems operating under high pressure, ensuring strong and stable connections.
   • Piping Systems for Production Lines: Carbon steel flanges connect pipes in production lines that transport raw materials, finished products, or intermediates. Their strength ensures reliable connections that can handle the operational pressures and flow rates.
   • Cooling Systems: In manufacturing facilities, cooling systems often use carbon steel flanges to connect pipes to cooling towers and heat exchangers. These flanges help maintain efficient cooling and prevent leaks in the system.
   • Pressure Vessels: Carbon steel flanges are used to connect pressure vessels to the rest of the piping system. They help manage the high pressures involved in manufacturing processes safely and effectively.
   • Conveyor Systems: Conveyor systems in manufacturing plants might use carbon steel flanges for connecting various components and supports. Their durability ensures that the system remains stable and functional.
   • Fluid Handling Systems: For systems that handle various fluids, including chemicals and lubricants, carbon steel flanges provide reliable connections that withstand operational stresses and pressures.
4. Construction: Applicable in large construction projects for structural components requiring robust and dependable connections.
   • Building Services Piping: In commercial and residential buildings, carbon steel flanges are used to connect pipes for heating, ventilation, and air conditioning (HVAC) systems, as well as plumbing. They ensure secure and reliable connections for these essential services.
   • Structural Supports: Carbon steel flanges are used in structural connections where pipes or supports need to be attached to building frames or supports, providing strength and stability to the overall structure.
   • Water Supply Systems: For water supply and drainage systems in construction projects, carbon steel flanges connect various piping sections, ensuring a stable and leak-proof system for water transport.
   • Fire Protection Systems: Carbon steel flanges are used to connect pipes in fire suppression systems, such as sprinklers and standpipes, where durability and reliability are critical for safety.
   • Industrial Construction: In industrial facilities and construction sites, carbon steel flanges are used in machinery and equipment installations, connecting various components and ensuring robust performance under operational stresses.
5. Power Generation: Fits well in power plants and facilities where high-pressure steam and similar systems require sturdy connections.
   • Boiler Systems: Carbon steel flanges are used to connect piping and components in boiler systems. They ensure robust, leak-proof connections in systems that handle high-pressure steam and hot water.
   • Turbine and Generator Systems: In turbines and generators, carbon steel flanges connect various components such as steam lines and coolant pipes. They help manage the high pressures and temperatures involved in power generation processes.
   • Cooling Systems: Power plants use extensive cooling systems to dissipate heat generated during electricity production. Carbon steel flanges are used to connect pipes in cooling towers and heat exchangers, ensuring efficient heat transfer and cooling.
   • Piping for Fuel Transport: Carbon steel flanges connect pipes that transport fuel (such as coal, oil, or gas) to power generation equipment. Their strength ensures a secure and stable connection for handling fuel in bulk.
   • Water Treatment Systems: Power plants often have water treatment systems for managing water quality and recycling. Carbon steel flanges connect pipes and components in these systems, ensuring reliable operation under varying pressures and temperatures.

Conclusion

The 4″ 1500 XH RFWN Flange Carbon Steel Import provides the durability and strength needed for high-pressure applications. With its extra heavy-duty design and protective features, it’s ready to handle demanding tasks in various industrial settings. Consider this flange for your next project to benefit from its solid performance and longevity.

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