Introducing the 4″ 300 RF Threaded Flange Carbon Domestic – a premium quality flange designed for superior performance in various piping applications. Proudly made in the USA, this flange is engineered to meet the highest industry standards, ensuring reliability and durability in your projects. Available in a sleek green or black finish, it not only performs exceptionally but also adds a touch of professionalism to your installations.
Key Features
Robust Construction: Crafted from high-quality carbon steel, this threaded flange is built to withstand high pressure and temperature, making it ideal for demanding industrial environments. Its robust design ensures long-lasting performance, reducing the need for frequent replacements.
300 RF Rating: With a 300 RF (Raised Face) rating, this flange is designed to provide a secure and leak-proof connection in various piping systems. It is suitable for a wide range of applications, including oil and gas, water treatment, and chemical processing.
Threaded Design: The threaded feature allows for easy installation and disassembly, making it a convenient choice for maintenance and repairs. This design ensures a tight fit, minimizing the risk of leaks and enhancing the overall integrity of your piping system.
Made in the USA: Supporting local manufacturing, this flange is proudly made in the USA, ensuring high-quality craftsmanship and adherence to strict safety and quality standards. When you choose this product, you are investing in American-made excellence.
Common Applications for 4″ 300 RF Threaded Flange Carbon Domestic
Piping Systems: Ideal for use in various piping systems, this flange provides a reliable connection for transporting fluids and gases, ensuring efficient operation in industrial settings.
Oil and Gas Industry: Perfect for applications in the oil and gas sector, this flange can handle the high pressures and temperatures associated with these environments, making it a trusted choice for professionals.
Water Treatment Facilities: The durability and reliability of this flange make it suitable for water treatment facilities, where secure connections are essential for maintaining system integrity and preventing leaks.
Conclusion
The 4″ 300 RF Threaded Flange Carbon Domestic is your go-to solution for reliable and efficient piping connections. With its robust construction, easy installation, and American-made quality, this flange is designed to meet the demands of various industrial applications. Choose this flange for your next project and experience the difference in performance and reliability.
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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.
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