Guardian
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4 inch 304 Stainless Steel Raised Face Class #150 Weld Neck Flange
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4 inch 304 Stainless Steel Raised Face Class #150 Weld Neck Flange
Our molds are industrial in nature and our products are durable.
4" inch 304 Stainless Steel Raised Face Class #150 Weld Neck Flange
Item #: 112110438

4" inch 304 Stainless Steel Raised Face Class #150 Weld Neck Flange

Item #: 112110438

BHD 112

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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Order now and get it around Monday, July 27
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What Stands Out

Durable Material
Constructed from 304 stainless steel, this flange offers excellent resistance to corrosion and rust, ensuring longevity and reliability in various industrial applications.
Class #150 Rating
Designed for high-pressure environments, the Class #150 rating allows safe operation in demanding systems, making it ideal for oil, gas, and chemical industries.
Weld Neck Design
The weld neck design provides a smooth, gradual transition for better flow and reduced turbulence, promoting improved system efficiency and performance in piping projects.

Product Details

Shop 4 inch 304 Stainless Steel Raised Face Class #150 Weld Neck Flange online at a best price in Bahrain. B0BN4QMFWC
Item Weight3 lbs (1.36 kg)

Who Should Buy?

Suitable For
  • Industrial Applications

    Ideal for use in high-stress environments where durability and resistance to corrosion are essential for safety.

  • Piping Systems

    Excellent for connecting pipes in various piping systems requiring a strong and reliable flange solution.

  • Manufacturing Plants

    Suitable for manufacturing and processing facilities that require reliable fittings for fluid handling systems.

Not Suitable For
  • Home Use

    This product may be over-engineered for simple home plumbing tasks where lighter materials suffice.

  • Low-Pressure Systems

    Not ideal for applications with low pressure where cheaper, less robust materials could be more cost-effective.

  • Non-Corrosive Environments

    In environments that don’t require corrosion resistance, this high-grade stainless steel may be unnecessarily costly.

Product Description

4" inch 304 Stainless Steel Raised Face Class #150 Weld Neck Flange

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a 4-inch 304 stainless steel raised face class #150 weld neck flange?

    Answer: A 4-inch 304 stainless steel raised face class #150 weld neck flange is a mechanical component designed for connecting pipes and equipment in a piping system. The raised face allows for a better seal when gaskets are used, enhancing leak prevention. This weld neck flange provides support for the pipe and accommodates thermal expansion. It is commonly used in industries like oil and gas, water management, and food processing for its durability and resistance to corrosion.
  • Question: What are the benefits of using 304 stainless steel for flanges?

    Answer: 304 stainless steel is widely used for flanges due to its excellent corrosion resistance, high-temperature strength, and durability. This material is particularly beneficial in environments exposed to corrosive elements, making it ideal for many industrial applications. Its non-magnetic properties and ease of fabrication also add to its practicality, ensuring long-term reliability in critical installations, such as chemical processing or marine applications.
  • Question: How do I install a 4-inch weld neck flange?

    Answer: Installing a 4-inch weld neck flange involves aligning it with the corresponding pipe and welding it in place. Proper alignment is crucial to maintain the integrity of the connection. Before welding, ensure that both the flange and the pipe are clean and free from debris. The weld enables a secure joint that can withstand high pressure and temperature, making this type of flange suitable for demanding applications, like steam lines and pressure vessels.
  • Question: What is the Class #150 rating on a flange?

    Answer: The Class #150 rating refers to the pressure-temperature ratings of the flange, defining its ability to withstand specific pressures at certain temperatures. A Class #150 flange is suitable for applications requiring up to 150 psi at ambient temperatures. This rating is particularly useful in designing piping systems for water, steam, and air transport in various industries, ensuring that the components withstand operational demands.
  • Question: Can a weld neck flange be used in high-temperature applications?

    Answer: Yes, a weld neck flange made from 304 stainless steel is suitable for high-temperature applications. It retains its strength and structural integrity even at elevated temperatures, making it reliable for use in power plants, petrochemical facilities, and other heat-intensive environments. The design helps to minimize stress concentrations, ensuring a strong connection that can handle fluctuations in temperature.
  • Question: Are there different versions of 304 stainless steel flanges?

    Answer: Yes, there are variations of 304 stainless steel flanges, including different face types (raised, flat, or ring-type), sizes, and pressure ratings. Each version may serve specific piping applications or standards, ensuring compatibility and performance efficiency in complex systems. Selecting the appropriate flange version is critical for achieving optimal functionality and safety in installations such as water treatment facilities or HVAC systems.
  • Question: What types of gaskets work with raised face flanges?

    Answer: Raised face flanges typically work well with several types of gaskets, including spiral wound gaskets, PTFE gaskets, and rubber gaskets. These gaskets are designed to compress under pressure, filling the gaps between the flange surfaces to create a tight seal. They are essential in preventing leaks in applications such as water lines and chemical pipelines, ensuring the integrity and safety of the entire system.
  • Question: Is there a difference between a weld neck flange and a slip-on flange?

    Answer: Yes, a weld neck flange and a slip-on flange differ in their design and application. A weld neck flange is designed for welding directly to the pipe, providing a strong, rounded connection that is ideal for high-pressure systems. In contrast, a slip-on flange fits over the pipe and is welded around the edge. Weld neck flanges are often used in critical applications, while slip-on flanges are more affordable and suitable for lighter pressure scenarios.
  • Question: How do I choose the right size flange for my piping system?

    Answer: To choose the right size flange for your piping system, consider the pipe diameter, pressure requirements, and the type of connection needed. Flanges must match the pipe size to ensure a proper fit and seal. Additionally, consider the pressure rating of the system and the materials involved, ensuring compatibility for optimal performance. This ensures that your installations, especially in industrial settings, are safe and efficient.
  • Question: Where can I buy a 4-inch 304 stainless steel raised face class #150 weld neck flange in Bahrain?

    Answer: You can buy a 4-inch 304 stainless steel raised face class #150 weld neck flange on Ubuy. Ubuy offers a variety of options and provides reliable service for customers seeking industrial hardware. With a user-friendly platform, Ubuy makes it easy to find exactly what you need for your projects, ensuring you have the necessary components to set up your piping systems effectively.

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Mohammad
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“Excellent quality and very fast delivery, I really appreciate your service, when you work good I will appreciate that, I am very satisfied, thank you”

13 June 2026 · via Trustpilot
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“The order arrived fast and in perfect condition”

2 June 2026 · via Trustpilot
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“Firstly the team who are very positive in response to any correction if something wrong. Secondly the quality and selection is exactly on what I ordered and which is perfect. Finally the time of delivery is very sufficient which made me comfortable. Overall is excellent.”

26 Feb 2026 · via Trustpilot
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“Good quality of product, delivered in 2 weeks. I thought it would take more time.”

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“Everything was fine. You can order from multiple stores or countries—just be patient with the shipping. Given their business model, this was my first order from them. Thank you, Ubuy.”

20 Feb 2026 · via Trustpilot
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BHD 112

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Features & Benefits

  • 100% pure stainless and carbon steel materials ensure quality.
  • Heavy pattern molds designed for industrial use.
  • Lead-free, safe for food contact.
  • 316 and 304 stainless steel compositions for enhanced durability.
  • NPT standard tapered threads guarantee a better seal.
  • Free from harmful chemicals like PFOS and PFOA.

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