Stainless Steel 45° Elbow Pipe Fitting | 1/4"-2" BSP Male Female Thread | 304 SS Equal Elbow

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Description

 

304 Stainless Steel 45° BSP Elbow Pipe Fitting — Reliable Direction Changes for Plumbing & Fluid Systems

When a straight pipe run needs to change direction without sharp bends that choke flow or stress joints, plumbers, contractors, and DIY homeowners reach for a dependable 45° elbow fitting. Whether you're routing water lines around a wall stud, connecting irrigation branches, or building a compressed air distribution system, a poorly matched or low-grade fitting can mean leaks, corrosion, and costly rework. These 304 stainless steel 45° equal elbow fittings are built to handle the job cleanly the first time.

Each fitting is a single-piece 45° equal elbow machined from 304 stainless steel, with both a male BSP thread on one end and a female BSP thread on the other — allowing inline connection without additional adapters. Available in BSP sizes from 1/4" (DN8) through 2" (DN50), covering the most common residential and light commercial pipe sizes. All threads conform to BSP (British Standard Pipe) standards. Size reference: 1/4" BSP = DN8, 1/2" BSP = DN15, 1" BSP = DN25, 2" BSP = DN50.

These 45° elbow BSP pipe fittings are well-suited for residential plumbing repairs and upgrades, garden and drip irrigation line routing, compressed air workshop distribution lines, and light industrial fluid transfer systems where a gradual directional change is needed to maintain flow efficiency.

🔗 Thread Standard: BSP (British Standard Pipe) — compatible with BSPP and BSPT fittings. Not directly compatible with NPT (National Pipe Thread) without an adapter. Verify your system's thread standard before ordering.

✅ Key Features of These 304 Stainless Steel 45° BSP Elbow Pipe Fittings

  • 🔩 Male × Female BSP Thread Design — Each elbow combines a male BSP thread on one end and a female BSP thread on the other, enabling direct inline installation without extra adapters in most standard BSP plumbing configurations.
  • 🛡️ 304 Stainless Steel Construction — Machined from 304 SS for solid corrosion resistance in water, air, and general fluid service. Holds up in damp environments, outdoor installations, and light industrial settings where carbon steel would rust.
  • 📐 45° Angle for Smooth Flow Routing — The 45-degree bend reduces turbulence and pressure drop compared to a 90° elbow, making it the right choice for compressed air lines, irrigation systems, and any run where flow efficiency matters.
  • 📏 Wide Size Range: 1/4" to 2" BSP (DN8–DN50) — Eight sizes cover the most common residential and commercial pipe diameters, so you can match the fitting to your existing system without upsizing or reducing.
  • ⚙️ Equal Bore Through-Flow — The equal elbow design maintains consistent bore diameter through the bend, avoiding the flow restriction that stepped or reducing elbows can introduce in balanced fluid systems.
  • 🔧 Wrench-Flat Hex Body — The fitting body includes wrench flats for secure tightening with a standard pipe wrench or adjustable spanner, reducing the risk of slippage and thread damage during installation of stainless steel BSP fittings.
⚠️ Installation Note: Apply PTFE thread seal tape (2–3 wraps) to male threads before assembly. Do not overtighten — hand-tight plus 1–2 turns with a wrench is typically sufficient for a leak-free seal on BSP threads.

📐 Technical Specifications — 304 Stainless Steel 45° BSP Equal Elbow Pipe Fitting

Product Type 45° Equal Elbow Pipe Fitting
Material 304 Stainless Steel (18-8)
Thread Standard BSP (British Standard Pipe)
Thread Configuration Male × Female (one end each)
Available Sizes 1/4" (DN8), 3/8" (DN10), 1/2" (DN15), 3/4" (DN20), 1" (DN25), 1-1/4" (DN32), 1-1/2" (DN40), 2" (DN50)
Elbow Angle 45°
Bore Type Equal (same diameter both ends)
Surface Finish Machined / Natural Stainless
Working Pressure Typically up to 150 PSI (≈10 bar) — contact us to confirm for your application
Compatible Media Water, air, oil, and general non-aggressive fluids
Quantity per Order 1 piece (per variant)
Country of Origin See variant options

❓ Frequently Asked Questions

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

BSP (British Standard Pipe) sizes refer to the nominal bore of the pipe, not the actual thread outer diameter. For reference: 1/4" BSP (DN8) ≈ 13.2mm thread OD (≈0.52"), 1/2" BSP (DN15) ≈ 20.9mm (≈0.82"), 1" BSP (DN25) ≈ 33.2mm (≈1.31"). Match the BSP size to your existing pipe's nominal size. When in doubt, measure the thread OD and compare to a BSP thread chart, or contact us to confirm before ordering.

What is the pressure rating of these 45° elbow fittings?

304 stainless steel BSP fittings of this type are generally rated for working pressures up to 150 PSI (≈10 bar) in standard water and fluid applications. Actual ratings depend on temperature, media type, and installation quality. For high-pressure, steam, or elevated-temperature applications, please contact us to confirm suitability before ordering.

Are these fittings suitable for outdoor or marine environments?

304 stainless steel offers good corrosion resistance in most outdoor and mildly corrosive environments, including freshwater, general plumbing, and light industrial settings. For saltwater, coastal, or highly chlorinated environments, 316 stainless steel is typically recommended for superior resistance to chloride-induced corrosion. Contact us to discuss your specific application if needed.

Are BSP fittings compatible with NPT (National Pipe Thread) fittings?

BSP and NPT threads are not directly interchangeable. BSP uses a 55° thread angle while NPT uses a 60° angle, and thread pitches differ across sizes. In most cases, mixing BSP and NPT fittings without a dedicated adapter will result in leaks or cross-threading. Always verify the thread standard of your existing system before ordering.

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

Yes, thread sealant is recommended. BSPP (parallel) threads require PTFE tape or a thread sealant compound to achieve a leak-free connection. BSPT (tapered) threads rely partly on the taper for sealing but still benefit from 2–3 wraps of PTFE tape on the male thread. Hand-tight plus 1–2 turns with a wrench is generally sufficient — do not overtighten.

What fluids are these stainless steel elbow fittings compatible with?

These 304 stainless steel 45° elbow fittings are generally compatible with water, air, oil, and many non-aggressive chemicals. Common applications include potable water plumbing, irrigation systems, compressed air lines, and light industrial fluid transfer. For aggressive acids, strong alkalis, or chlorine-rich media, consult a materials compatibility chart or contact us before use.

What is the difference between a 45° elbow and a 90° elbow, and when should I use each?

A 45° elbow changes pipe direction by 45 degrees, creating a gentler bend that reduces flow turbulence and pressure drop compared to a 90° elbow. Use a 45° elbow when routing pipes around obstacles at a gradual angle or when flow efficiency matters (e.g., compressed air or irrigation lines). Use a 90° elbow when a sharp right-angle turn is required and space is limited.

Can I use these fittings for drinking water (potable water) applications?

304 stainless steel is widely used in food-grade and potable water applications due to its corrosion resistance and non-reactive surface. However, local plumbing codes and certifications (such as NSF/ANSI 61) may be required for potable water use in your jurisdiction. We recommend verifying local code requirements before installing these fittings in a drinking water system.

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