1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler
1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler
1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler
1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler
1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler
1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler
1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler
1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler
1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler
1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler
1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler
1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler
1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler
1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler
1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler
1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler
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1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler

1/2" BSP Brass Pipe Fittings – Elbow, Tee & Union Coupler

HomeDIYer
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By HomeDIYer®

Price:
$25.91 USD
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In stock (500 units), ready to be shipped

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Description

 

1/2" BSP Brass Pipe Fittings — Reliable Connections for Water, Air & Fluid Lines

Leaking joints and mismatched threads are among the most frustrating problems for plumbers, HVAC technicians, and serious DIYers. Whether you're roughing in a new water line, repairing an irrigation system, or building a compressed-air circuit, having the right 1/2" BSP brass pipe fitting on hand means the difference between a clean, leak-free installation and a costly callback.

Each piece in this listing is a solid brass 1/2" BSP (British Standard Pipe) threaded fitting, available in 17 execution styles — including straight couplers (unions), 90° elbows, and tee branches — with male and/or female thread ends as noted in the variant selector. Sizes are 1/2" BSP nominal (pipe OD approximately 20.9 mm / ≈13/16"), and you can order in quantities of 1, 2, 5, 8, or 10 pieces per order to match your project scope.

These fittings are well-suited for residential and light commercial plumbing, garden and irrigation pipework, compressed-air distribution lines, and fluid-transfer systems where a BSP-threaded connection is required. Long-tail use cases include 1/2 inch BSP brass elbow for water pipe, BSP union coupler for irrigation, and brass tee fitting for air compressor lines.

🔗 Compatibility: Designed for 1/2" BSP (British Standard Pipe) threaded systems. Not directly compatible with NPT (National Pipe Thread) without an adapter. Confirm your existing fittings are BSP before ordering.

✅ Key Features of These 1/2" BSP Brass Pipe Fittings

  • 🔩17 Execution Styles — Straight unions, 90° elbows, and tee branches in male-to-female, female-to-female, and male-to-male configurations to cover virtually every BSP plumbing scenario.
  • 🟡Solid Brass Construction — Machined from brass alloy for natural corrosion resistance, making these fittings suitable for water, air, and general fluid service in both indoor and outdoor environments.
  • 📐Standard 1/2" BSP Thread — Nominal 1/2" BSP thread (14 TPI) ensures compatibility with standard BSP-threaded pipes, valves, and fixtures commonly used in plumbing and irrigation systems worldwide.
  • 🔄Union-Style Coupler Option — Select union variants allow the joint to be disconnected and reconnected without cutting the pipe, simplifying maintenance on water lines and compressed-air circuits.
  • 📦Flexible Quantity Options — Available in 1, 2, 5, 8, or 10-piece sets so you can order exactly what your project requires — from a single repair piece to a multi-point installation kit.
  • 🚚Ships from US Warehouse — Stocked domestically for faster delivery, reducing lead times compared to overseas-sourced brass fittings for 1/2 inch BSP pipe repair and installation projects.

📐 Technical Specifications — 1/2" BSP Brass Pipe Fittings

Thread Standard BSP (British Standard Pipe)
Nominal Size 1/2" (DN15)
Thread Size (OD) Approx. 20.9 mm (≈13/16")
Thread Pitch 14 TPI (threads per inch)
Material Brass alloy
Finish Natural brass (uncoated)
Fitting Types Available Union coupler, 90° elbow, tee (straight & reducing configurations)
Thread Ends Male (MBSP), Female (FBSP), or combination — see variant options
Typical Working Pressure Generally up to 200 PSI (≈14 bar) — contact us to confirm for your application
Suitable Media Water, air, general non-aggressive fluids
Quantity per Order 1, 2, 5, 8, or 10 pieces — see variant options
Country of Origin See variant options
⚠️ Note: BSP and NPT threads are not interchangeable. If you are unsure of your thread standard, measure the thread OD and count threads per inch, or contact us before ordering.

❓ Frequently Asked Questions

How do I choose the right size for my BSP pipe fitting?

For 1/2" BSP fittings, the pipe outer diameter is approximately 20.9 mm (≈13/16"). BSP nominal size does not equal the actual pipe OD — it is a trade size. Measure your existing pipe OD or count the threads per inch (1/2" BSP = 14 TPI) to confirm compatibility. If you are converting from inches, 1/2" BSP is generally equivalent to DN15 in metric plumbing systems.

What pressure can these brass fittings handle?

Brass BSP fittings of this type are typically rated for working pressures up to 200 PSI (≈14 bar) in water and general fluid applications. Actual performance depends on installation quality, operating temperature, and the media being conveyed. Contact us to confirm if your application requires a specific pressure certification.

Can I use these fittings outdoors or in wet/damp environments?

Yes. Brass is naturally corrosion-resistant and generally suitable for outdoor, damp, and humid environments. For best results in outdoor plumbing or irrigation applications, apply PTFE tape or a compatible thread sealant to ensure a watertight seal. For highly corrosive or saltwater environments, consult us before use.

Are these fittings compatible with NPT threads?

No. BSP and NPT (National Pipe Thread) are not directly compatible. They differ in thread angle (55° for BSP vs. 60° for NPT) and pitch. If your existing plumbing uses NPT threads, you will need a BSP-to-NPT adapter. When in doubt, count the threads per inch on your existing fitting — 1/2" NPT has 14 TPI as well, but the thread form is different, so physical gauging or a thread gauge is the most reliable method.

Which fitting type should I choose — elbow, tee, or union coupler?

Choose a 90° elbow when you need to change pipe direction around a corner or obstacle. Choose a tee when you need to branch a single line into two directions (e.g., splitting a water supply). Choose a union coupler (straight) when joining two pipe ends in a straight run — the union design allows the joint to be broken and remade without cutting the pipe, which is useful for maintenance access points.

What is the difference between Male and Female BSP thread ends?

Male BSP (MBSP) fittings have external threads that screw into a female-threaded port, valve, or fitting. Female BSP (FBSP) fittings have internal threads that accept a male-threaded pipe or fitting. The execution options on this listing (e.g., "Male & Female #1", "Female & Female #3", "Elbow Female & Male #9") describe the thread gender on each end of the fitting — the first gender listed is typically the inlet end.

Do I need PTFE tape or thread sealant with these fittings?

In most cases, yes. BSP parallel threads (BSPP) require PTFE tape or a liquid thread sealant to achieve a leak-free seal, as the thread form alone does not create a pressure-tight joint. BSP tapered threads (BSPT) can self-seal under pressure but applying sealant is still best practice. Wrap PTFE tape clockwise (when viewed from the male thread end) for 2–3 turns before assembly.

🛒 Select your execution type, size, and quantity above, then add to cart — ships from our US warehouse.

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