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4″ 1500 XH RFWN Flange – Carbon Steel – Import

$286.23

This 4″ 1500 XH RFWN Flange is engineered for high-pressure applications with superior strength and durability. Carbon steel construction, new, painted black for corrosion protection. Stored indoors. Browse weld neck flanges for additional selections.

Availability: 6 in stock

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The 4″ 1500 XH RFWN Flange – Carbon Steel – Import is designed for high-pressure applications where durability and strength are essential. This 4-inch NPS flange, rated for 1500 class and extra heavy-duty use, provides a dependable solution for various industrial needs. It features a black paint coating that guards against corrosion and is kept in like-new condition, ready for immediate use.

Key Features

  • Extra Heavy (XH) Duty
    The “XH” stands for extra heavy, indicating the flange’s increased wall thickness. This thicker design enhances its durability and strength. The flange is built to handle high-pressure environments, ensuring it performs well in demanding applications.
  • 1500 Class
    The “1500” pressure class indicates the maximum pressure this flange can handle at a given temperature. Rated for Class 1500, it is ideal for high-pressure applications.
  • Raised Face Design
    The raised face improves sealing performance by providing a better surface for gaskets. It enhances the flange’s ability to prevent leaks and distributes pressure more evenly across the gasket, which reduces leakage risk. This design also meets widely accepted standards, ensuring compatibility with various systems.
  • Weld Neck Configuration
    This design integrates the flange directly with the pipe, providing a strong connection. The tapered neck offers a smooth transition from the flange to the pipe, enhancing strength and reliability under pressure. The flange’s neck is welded to the pipe using a full penetration weld, creating a continuous and robust connection.
  • Eight Bolt Holes
    The flange features eight bolt holes that ensure a secure attachment to pipes. For your convenience, here’s a link to a free bolting chart.
  • Indoor Storage
    This flange is stored indoors and remains in excellent condition, ready for immediate use.
  • Carbon Steel Construction
    Crafted from carbon steel, the flange offers durability and resistance to wear. Carbon steel is strong, durable, and affordable. It is a cost-effective alternative to stainless steel or alloy flanges for many applications.

Benefits of Carbon Steel Over Other Materials

  • Strength and Durability
    Carbon steel flanges provide excellent tensile strength, making them suitable for high-pressure and high-stress environments.
  • Cost-Effective
    Compared to stainless steel or alloy flanges, carbon steel is more affordable. This makes it a budget-friendly option without sacrificing performance.
  • Weldability
    Carbon steel is easier to weld than some other materials, simplifying installation and maintenance.
  • Corrosion Protection
    While carbon steel is less resistant to corrosion than stainless steel, it can withstand many environments. The black paint coating provides additional protection, extending the flange’s lifespan even in harsh conditions.

Common Applications

The 4″ 1500 XH RFWN Flange – Carbon Steel – Import is widely used in industries where high pressure and strong connections are necessary. Here are some examples:

  • Oil and Gas
    These flanges are ideal for pipelines and equipment where high pressure is a constant factor, ensuring a secure fit.
  • Pipeline Systems
    They connect pipes in extensive pipeline systems that transport oil and gas from extraction sites to refineries and distribution centers.
  • Drilling Rigs
    Carbon steel flanges are used to connect components in drilling equipment, offering strength and durability to withstand high pressures.
  • Processing Facilities
    In processing plants, these flanges connect sections of equipment to ensure smooth and efficient operations under pressure.
  • Compressor and Pump Stations
    In pump stations, flanges connect pumps and compressors, ensuring reliable performance in high-pressure systems.
  • Chemical Processing
    These flanges connect piping in chemical processing systems where reliable, leak-proof connections are essential.
  • Piping Systems for Reactors
    They are used to connect pipes to chemical reactors, ensuring the system maintains integrity under high pressure and varying temperatures.
  • Transfer Lines for Chemicals
    In chemical transfer systems, these flanges help ensure stable, leak-proof transport of chemicals.
  • Heat Exchangers
    Carbon steel flanges connect heat exchangers to piping systems therefore providing efficient operation by maintaining a secure connection under thermal stress.
  • Storage Tanks
    These flanges connect pipes and valves to storage tanks, helping manage the pressures involved in storing substances.
  • Filtration Systems
    Flanges used in filtration systems provide secure, stable connections that support effective filtration.

Additional Applications

  • Manufacturing
    In manufacturing, carbon steel flanges are used in heavy machinery systems to provide strong, stable connections under high pressures.
  • Water Supply Systems
    These flanges connect pipes in water supply and drainage systems, thereby giving you a stable, leak-proof transport system for water.
  • Fire Protection Systems
    In fire suppression systems, flanges ensure reliable, durable connections that are critical for safety.
  • Power Generation
    Flanges are used in power plants, connecting pipes in boiler systems, turbines, and fuel transport systems, all of which require high-pressure connections.

Conclusion

The 4″ 1500 XH RFWN Flange – Carbon Steel – Import offers the durability and strength needed for high-pressure applications. With its extra heavy-duty design and protective features, it is ready to handle demanding tasks across various industries. Consider this flange for your next project and enjoy reliable performance and long-lasting service.

Quick Links

Shipping Countries: United States (US)


Ready to ship in 1-3 business days from United States (US)


 

Shipping Policy

To ensure your order is shipped safely and appropriately, we determine the shipping method based on weight, size, and handling requirements.

Parcel Shipments

Smaller items that meet standard carrier limits are shipped via common parcel carriers such as UPS, FedEx, or USPS. This is calculated for you automatically at checkout.

LTL Freight (Less-Than-Truckload)

Orders that:

Weigh over 150 lbs, or

Exceed parcel carrier size or dimensional limits

will ship via LTL freight.

LTL shipments are handled by third-party freight carriers and typically involve palletized delivery. Transit times and delivery scheduling vary depending on carrier availability, destination, and freight class.

Please note:

LTL deliveries often require a delivery appointment.

Liftgate service, limited access, or residential delivery may affect transit time and cost.

It is best to reach out to us before your purchase on items that exceed 150lbs or that are larger than 96 inches in any one direction in order to ensure that you get an accurate estimate on cost.

Full Truckload (FTL) / Specialized Freight

Large or specialized items—such as tanks, vessels, oversized equipment, or shipments requiring hazmat handling or oversized permits—are managed directly by Tri-State Supply.

These shipments may require:

Full truckload (FTL) transport

Oversized or overweight permits

Specialized carriers or equipment

Additional coordination prior to shipment

Because of this, processing and delivery timelines for full truckload or specialized freight are determined on a case-by-case basis. Our team will coordinate directly with you to confirm logistics before shipment. You will need to reach out to us for a quote. You may also arrange freight for your purchases. Loading fees, appointments, and more arrangements will still need to be agreed upon before something leaves our property.

Order Processing & Timing

Most in-stock orders are processed within 1–3 business days. Freight shipments—especially LTL and full truckload—may require additional time to schedule pickup and delivery.

Estimated delivery dates are provided as guidance and are subject to carrier and logistical factors beyond our direct control.

Questions Before You Order

If you are purchasing:

Large or heavy items

Freight-sensitive equipment

Job-site or residential deliveries

we strongly recommend contacting us before placing your order so we can help confirm the best shipping method and set clear expectations.

Tri-State Supply
Customer Support Hours
Monday–Friday, 8:00 AM – 5:00 PM CST
Please allow up to 24 business hours for a response.


 

Refund Policy

Tri-State Supply Corp
Return & Refund Policy

We want you to feel confident in every purchase from our store. As part of BranaBee, we follow the BranaBee Refund Policy (https://branabee.com/refund_returns/) and have added a few specifics to make returns as simple as possible.

1. Return Eligibility

We accept returns on new, unused items within 30 days of delivery, as long as the item is in a condition that allows it to be resold.

Items marked “As-Is” or “As-Is Where-Is” cannot be returned.

To qualify for a return, items must:

Be unused

Be in original or equivalent packaging

Be free from damage, installation marks, or modifications

Used or installed items are not eligible for return or refund.

2. How to Request a Return

To start a return:

Submit a return or refund request for your order.

If eligible, we will provide a return shipping label via email.

Once we receive and inspect the item, your refund will be issued to your original payment method.

3. Large, Heavy, or Freight-Shipped Items

Returns for large or freight items require special handling:

Our team will contact you to coordinate the return.

Return eligibility and logistics are handled case by case.

Timelines and costs may differ from standard parcel returns due to shipping requirements.

4. Non-Refundable Items

Used or installed items

Items returned after 30 days

Items damaged due to improper packaging or handling

5. Questions Before You Buy

For large or freight-shipped items, we recommend contacting us before ordering. This helps confirm specifications and return expectations.

For any other questions, reach out during business hours:
Monday–Friday, 8:00 AM – 5:00 PM CST
Please allow up to 24 business hours for a response.

✅ Bottom line: Our goal is to make your shopping experience smooth and worry-free. If you ever have a concern about a return, we’re here to help.

Weight 41 lbs
Dimensions 12.25 × 12.25 × 4.88 in
Diameter (in.)

Pressure Rating

Flange Face Style

Flange Type

Material Type

Source

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Product Location

2316 North 11th Street, Enid, Oklahoma 73701, United States
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