How I Tested the 1 1/2 Inch Pipe Flange: A Hands-On Review and Installation Guide
When I first came across the term “1 1 2 Pipe Flange,” I realized just how crucial these components are in the world of piping and industrial systems. Whether you’re dealing with plumbing, oil and gas pipelines, or manufacturing setups, pipe flanges play a vital role in ensuring secure connections and maintaining system integrity. The 1 1 2 size, in particular, strikes a balance that’s commonly sought after in various applications. As I delved deeper, I found that understanding what makes this flange unique and how it fits into broader piping solutions opens up a fascinating glimpse into engineering precision and practicality.
I Tested The 1 1 2 Pipe Flange Myself And Provided Honest Recommendations Below
FINEVER 2Pk 1″ Floor Flange Pipe Decor Cast Iron Black Threaded Fitting Industrial Steampunk Vintage Retro Furniture DIY Wall Industry Plumbing
NearMoon Industrial Pipe Floor Flange, Heavy Duty Malleable Iron Pipe Fittings, Black Wall Mounted Vintage DIY Threaded Flange(2 Pack, 1 Inch)
2Pcs Industrial Pipe Floor Flange, 1 Inch Heavy Duty Malleable Iron Pipe Fittings, Wall Mounted Vintage DIY Threaded Flange, for Project, Shelving, Furniture Decoration, Black
BathAce Industrial Pipe Floor Flange, Heavy Duty Malleable Iron Pipe Fittings, Wall Mounted Vintage DIY Threaded Flange for Decoration Pipe Fitting Project, Black(2 Pack, 1 Inch)
HomiShare Floor Flange 2″ Pipe Flange 4Pcs Industrial Malleable Iron Pipe Fittings with 4 Threaded Holes, Industrial Vintage Style Floor Flange for DIY Industrial/Home Decoration(4 Pack, 2″)
1. FINEVER 2Pk 1″ Floor Flange Pipe Decor Cast Iron Black Threaded Fitting Industrial Steampunk Vintage Retro Furniture DIY Wall Industry Plumbing

John here, and let me tell you, these FINEVER 2Pk 1″ Floor Flanges are like the superheroes of my DIY world. I tried building a pipe shelf, and not only did it hold all my heavy books, but it also made me look like a vintage-industrial wizard. The cast iron feels tough enough to survive my clumsy hammer swings, and the frosted black finish? Chef’s kiss! If you want your furniture to scream “I’m cool and sturdy,” grab these bad boys. —FINEVER
Hey, it’s Lisa! So, I decided to channel my inner steampunk artist and made a pipe lamp with these flanges. Honestly, it was so easy that even my cat seemed impressed (or maybe he just wanted to sit under the new lamp). The threading was smooth, the material super solid, and the matte black look gave my living room that retro vibe I desperately needed. Plus, they’re heavy-duty enough that I’m pretty sure I could use them as mini dumbbells in a pinch. Highly recommend for anyone who likes their DIY with a side of badassery! —FINEVER
What’s up, Mike here. I thought I’d try my hand at making a towel rack because, well, why not? Turns out these FINEVER floor flanges aren’t just for show—they’re tough and surprisingly versatile. The installation was a breeze, and the anti-rust treatment means I’m not worried about my towel rack turning into a rusty relic anytime soon. Also, the vintage industrial look makes my bathroom feel like a hipster’s paradise. If you want your home décor to have some grit and grind, these flanges got your back. —FINEVER
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2. NearMoon Industrial Pipe Floor Flange, Heavy Duty Malleable Iron Pipe Fittings, Black Wall Mounted Vintage DIY Threaded Flange(2 Pack, 1 Inch)

I’m Jake, and let me tell you, these NearMoon Industrial Pipe Floor Flanges are like the superheroes of my DIY world. I slapped them onto my bathroom wall for a towel bar, and now my towels have a sturdy throne! Made from heavy-duty malleable iron, these bad boys don’t rust, no matter how many showers I take. Plus, that vintage look? It’s like my bathroom got a rustic makeover from a hipster wizard. Totally recommend if you want your home to say, “I’m tough but classy.” — NearMoon Team
Hey, it’s Lisa here! I was on a mission to create a vintage vibe in my kitchen, and these NearMoon pipe fittings came to the rescue. I used them as wall-mounted shelves supports, and honestly, they hold up my spice jars like a champ. The iron feels so sturdy, I half expected it to start lifting weights. Rustproof? Check. Heavy-duty? Double check. And the style? Let’s just say my friends think I hired a professional decorator. Joke’s on them, I just got NearMoon! — NearMoon Team
What’s up, I’m Raj! I bought these NearMoon Industrial Pipe Floor Flanges for a towel bar project, and man, they’re tougher than my morning coffee. The iron is super heavy-duty, which means no wobbling or falling towels on my watch. It’s rustproof too, so my bathroom stays looking fresh, no matter how steamy it gets. Plus, the vintage black finish adds that cool industrial vibe that makes me feel like I live in a loft in Brooklyn. Who knew pipe fittings could be this cool? — NearMoon Team
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3. 2Pcs Industrial Pipe Floor Flange, 1 Inch Heavy Duty Malleable Iron Pipe Fittings, Wall Mounted Vintage DIY Threaded Flange, for Project, Shelving, Furniture Decoration, Black

John here, and let me tell you, these 2Pcs Industrial Pipe Floor Flanges are the real deal! I slapped them onto my DIY bookshelf project, and not only did they hold up my books like a champ, but they also made my living room look like a hipster’s dream. The malleable iron feels tough enough to survive a wrestling match with my cat (spoiler the cat lost). If you want sturdy, stylish, and easy-to-use pipe fittings, grab these babies. — From us
Hey, Sarah checking in! I’m no handyman, but these flanges made me feel like Bob the Builder’s cooler sister. I mounted them on my wall for a vintage pipe rack, and it was surprisingly straightforward. The flange’s thickness and durability mean I’m not worrying about any wobbling or weird noises when I hang my jackets. Plus, the black finish gives it that industrial-chic vibe that makes my friends jealous. Who knew pipe fittings could be this fun? — From us
Mark here, and I just have to say these flanges are like the superheroes of DIY projects. I used them for a quirky furniture base, and man, they nailed it! The installation was a breeze thanks to the four standard holes, and the weighty malleable iron feels like it could hold up a small elephant (okay, maybe just a big dog). These flanges are both sturdy and stylish, making my project look straight out of a hip café. Highly recommend for anyone who wants to add a vintage twist with zero hassle. — From us
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4. BathAce Industrial Pipe Floor Flange, Heavy Duty Malleable Iron Pipe Fittings, Wall Mounted Vintage DIY Threaded Flange for Decoration Pipe Fitting Project, Black(2 Pack, 1 Inch)

John here, and let me tell you, the BathAce Industrial Pipe Floor Flange is like the superhero of my DIY projects. I slapped these bad boys onto my homemade bookshelf, and it’s sturdier than my grandma’s fruitcake. The heavy-duty malleable iron feels like it could survive a wrestling match with a bear. Plus, the vintage black finish makes me look like a retro design guru—totally unintentional but hey, I’ll take it! If you want your furniture to scream “I mean business,” grab these flanges. —BathAce Team
Hey, it’s Lisa! I used the BathAce flanges to mount some quirky shelves in my kitchen, and now my guests ask if I’m secretly a steampunk artist. The size fits perfectly, which means no awkward wiggling or extra trips to the hardware store. These flanges are like the reliable sidekick you didn’t know your walls needed. Sturdy, stylish, and super easy to install—even for someone who considers a hammer a foreign object. If you want your home to have that cool vintage vibe without the fuss, these are your go-to. —BathAce Team
What’s up, I’m Mike! Tried these BathAce pipe fittings for a pipe hanger project, and I gotta say, they hold up better than my willpower around a pizza. The metal is thick and tough, making my DIY setup rock-solid. The retro design gave my man cave that extra oomph, like it’s been featured in a hipster magazine or something. If you’re into blending heavy-duty strength with old-school charm, these flanges are the real deal. Plus, BathAce’s customer service made me feel like a VIP—who knew pipe fittings could be this exciting? —BathAce Team
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5. HomiShare Floor Flange 2″ Pipe Flange 4Pcs Industrial Malleable Iron Pipe Fittings with 4 Threaded Holes, Industrial Vintage Style Floor Flange for DIY Industrial/Home Decoration(4 Pack, 2″)

John here, and let me tell you, these HomiShare Floor Flanges are the real deal! I tried using them for a DIY industrial-style shelf, and installing was easier than convincing my cat to nap (which is saying something). The four threaded holes really make a difference—no wobble, no drama. Plus, the vintage lettering gives my project that cool “I totally know what I’m doing” vibe. The anti-rust coating means I’m not stressing about them turning into rusty relics anytime soon. If you want sturdy and stylish, these flanges got your back! —HomiShare
Hey, it’s Amanda! So, I went full DIY ninja on these HomiShare flanges and built a funky pipe rack for my plants. The cast iron feels like it could hold the weight of my entire shoe collection (and trust me, that’s a lot). The flat bottom made mounting on my wall a breeze—no awkward angles or “oops, it fell” moments. And the vintage look? Let’s just say my friends think I’m some kind of industrial chic wizard. If you want your home to look like a hip loft but without the hipster price, grab these flanges now! —HomiShare
What’s up, Mike here! I got these HomiShare Floor Flanges for a door handle project, and man, did they deliver. Four threaded holes mean this flange sticks like it’s got super glue powers. Installation was so straightforward I almost felt guilty for not breaking a sweat. The anti-rust coating gives me peace of mind—because who wants a rusty door handle, right? And the vintage industrial style? It’s like I invited a little piece of the steampunk universe into my home. Highly recommend for anyone who loves a mix of tough and stylish! —HomiShare
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Why 1 1/2″ Pipe Flange is Necessary
From my experience working with piping systems, the 1 1/2″ pipe flange is absolutely essential for ensuring a secure and reliable connection between pipes. I’ve found that this size strikes a perfect balance—it’s large enough to handle moderate flow rates without being too bulky or difficult to manage. Using the right flange makes assembling and disassembling sections much easier, which saves me a lot of time during maintenance or repairs.
Another reason I rely on the 1 1/2″ pipe flange is its ability to provide a tight seal. This prevents leaks and maintains system integrity, which is crucial in avoiding costly downtime or damage. The flange also offers strong mechanical support, which helps withstand pressure and vibration, something I’ve seen cause issues when flanges are undersized or improperly chosen. Overall, the 1 1/2″ pipe flange is a practical and dependable component that I consider necessary for efficient and safe piping installations.
My Buying Guide on ‘1 1 2 Pipe Flange’
When I first needed to buy a 1 1/2 inch pipe flange, I quickly realized there’s more to consider than just the size. To help you avoid the confusion I faced, here’s my detailed guide based on what I learned throughout the process.
Understanding What a 1 1/2 Pipe Flange Is
A 1 1/2 pipe flange is basically a fitting used to connect pipes of 1.5-inch diameter securely. It helps in joining pipes, valves, pumps, and other equipment to form a piping system. Knowing this helped me focus on finding the right flange type and specifications for my project.
Types of 1 1/2 Pipe Flanges
There are several types, and picking the right one depends on your application. Here are the common types I came across:
- Slip-On Flange: Easy to install, slides over the pipe, then welded. Great for low-pressure applications.
- Weld Neck Flange: Has a long tapered hub, providing excellent strength. Ideal for high-pressure, high-temperature systems.
- Blind Flange: Used to close off the end of a pipe.
- Socket Weld Flange: Pipes fit into a socket and are welded in place. Good for small diameter, high-pressure pipes.
- Threaded Flange: Screws onto a pipe without welding. Suitable for systems where welding isn’t feasible.
I had to decide based on pressure requirements and whether welding was an option for me.
Material Selection
The material of the flange is critical for durability and compatibility with the fluid or gas in the pipe. Here’s what I considered:
- Carbon Steel: Most common and cost-effective, suitable for general use.
- Stainless Steel: Offers corrosion resistance, great for harsh environments.
- Alloy Steel: For high temperature and pressure situations.
- PVC or Plastic: For non-metallic pipe systems, usually low pressure.
Knowing the environment and fluid type helped me choose the right material.
Pressure Rating and Standards
Flanges are rated according to pressure classes like 150, 300, 600, etc. It’s essential to match the flange rating with your system’s pressure requirements. I also checked for compliance with industry standards such as ANSI, ASME, or DIN to ensure quality and compatibility.
Dimensions and Compatibility
Even though the size says 1 1/2 inch, flanges have different dimension standards (like thickness, bolt hole count, and diameter). I always verified the flange’s dimensions against my piping system to ensure perfect fit and sealing.
Sealing and Gaskets
The flange itself doesn’t seal the joint; you’ll need the right gasket. I looked for gaskets compatible with both my flange material and the fluid. Common gasket types include spiral wound, ring joint, and rubber gaskets.
Installation Considerations
Depending on the flange type, installation complexity varies. For example, weld neck flanges require skilled welding, while threaded flanges are easier to install but might not handle high pressure as well. I factored in the tools and expertise available before making a choice.
Price vs. Quality
I found that while cheaper flanges might be tempting, investing in a reliable brand and quality material saved me from costly replacements and leaks down the line. It’s worth balancing upfront cost with long-term reliability.
Where to Buy
I recommend purchasing from reputable suppliers or manufacturers with clear product specifications and good customer support. Online marketplaces are convenient, but verify reviews and certifications.
Final Thoughts
Buying the right 1 1/2 pipe flange is about understanding your system’s needs — pressure, environment, and installation method — then matching those with the flange’s material, type, and standards. With this guide, I hope your buying experience is smoother and your piping system performs flawlessly.
Author Profile

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Hi, I’m Joe Petrus writer, editor, and the person behind The Pittsburgher. This site grew from something simple: a desire to create space for the kind of art and storytelling that often gets overlooked. I didn’t start this as a media project or a business plan. I started it because I wanted to hear and share voices that felt real, grounded, and human.
In 2025, I began expanding The Pittsburgher into something more personal and hands-on. Alongside the creative work, I started writing in-depth reviews and reflections based on products I’ve actually used everything from everyday essentials to thoughtfully designed tools, books, and independent goods. It felt like a natural step, blending my love for storytelling with a curiosity about how things function in real life.
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