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ELBOW 90 - Threaded BSPP fitting F.F.
ELBOW 90 - Threaded BSPP fitting F.F.
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The Bronze 90° Elbow (Female‑Female BSP) is a heavy‑duty threaded pipe fitting designed to change the direction of piping by 90°, creating a secure and reliable joint between two female‑threaded pipes or fittings. Made from solid bronze, this elbow provides excellent corrosion resistance and durability, making it ideal for marine, industrial, and general plumbing installations where long‑lasting performance is essential.
🔧 Key Features
Solid bronze construction — highly resistant to corrosion, especially in saltwater and harsh environments.
90° angle — enables a compact directional change in pipe runs without additional fittings.
Female‑to‑female BSP threads — compatible with standard British Standard Pipe (BSP) systems for secure connections.
Compact, snag‑free body — minimizes bulk and simplifies routing in tight spaces.
Reliable sealing — precise threading for leak‑resistant performance.
⚓ Typical Applications
This 90° elbow fitting is perfect for:
Marine plumbing — freshwater and seawater piping, bilge, deck wash, and cooling systems.
Industrial piping — fluid transfer, compressed air, and general utility lines.
Domestic systems — potable water, heating and cooling circuits.
Any installation requiring a direction change in threaded pipe runs without compromising system integrity.
💡 Why Use a Bronze Elbow Fitting?
Bronze threaded fittings deliver exceptional corrosion resistance and mechanical strength, ensuring dependable performance even in challenging environments. The 90° elbow simplifies piping layouts, reduces the need for multiple components, and supports tight, leak‑free connections in both new installations and retrofit projects.
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BSP vs. NPT Threads – What You Need to Know
Not all pipe threads are the same — and mixing them can cause leaks, damage, and costly downtime.
In the United States, most pipe fittings use NPT (National Pipe Taper) threads. However, many marine systems, European equipment, and imported vessels use BSP (British Standard Pipe) threads.
These thread types are not compatible.
Key Differences Between BSP and NPT
Thread Angle & Shape
- BSP: 55° thread angle with rounded peaks and valleys
- NPT: 60° thread angle with flat peaks and valleys
Because the angles and shapes are different, the threads will not properly mate together.
Sealing Method
- NPT: Tapered thread that seals by thread compression (metal-to-metal contact). Thread sealant or tape is typically required.
- BSP: Sealing depends on the type — BSPP or BSPT (explained below).
Understanding BSPP vs. BSPT
There are two main types of BSP threads:
🔹 BSPP (British Standard Pipe Parallel)
- Parallel (straight) threads
- Does NOT seal on the threads
- Requires a sealing washer, bonded seal, O-ring, or gasket
- Common in hydraulic and marine applications
BSPP connections seal at the face of the fitting, not in the threads.
🔹 BSPT (British Standard Pipe Tapered)
- Tapered threads
- Seals by thread compression (similar in concept to NPT)
- Typically requires thread sealant
However, BSPT is still NOT interchangeable with NPT, because:
- The thread angle is different (55° vs. 60°)
- The thread form is different
Even though both are tapered, they will not properly seal together.
Why This Matters in the U.S. Marine Industry
The U.S. market predominantly stocks NPT fittings, which creates challenges when servicing:
- European marine engines
- Imported vessels
- Hydraulic systems
- Marine equipment designed to BSP standards
Using the wrong thread type can lead to:
- Leaks
- Cracked fittings
- Damaged ports
- System failure
Our Specialty: BSP Solutions
We focus specifically on BSP fittings and components, stocking and supplying BSPP and BSPT products to fill the gap in the U.S. marine market.
If your equipment requires BSP threads, we provide the correct parts — helping you avoid mismatched fittings and costly downtime.
If you'd like, I can also create:
- A simplified “non-technical” version for boat owners
- A technical spec sheet version
- A version with diagrams for visual comparison
- An FAQ section to improve customer confidence