Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm
Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm
Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm
Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm
Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm
Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm
Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm
Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm
Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm
Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm
Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm
Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm
Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm
Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm
Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm
Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm
Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm
Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm
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Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mmStainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mmStainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mmStainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mmStainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mmStainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mmStainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mmStainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mmStainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mmStainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mmStainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mmStainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mmStainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mmStainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mmStainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mmStainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mmStainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mmStainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm

Stainless Steel 316 BSP Male Thread Extension Pipe Nipple — 1/2", 3/4", 1" | 100–300mm

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Beschreibung

 

316 Stainless Steel BSP Male Thread Extension Pipe Nipple — Reliable Reach for Every Plumbing Gap

When a standard fitting falls just short of bridging two connection points — whether you're extending a water line behind a wall, spacing out a valve in a tight mechanical room, or adding reach to a marine plumbing run — a poorly matched nipple can mean leaks, rework, and wasted time. These 316 stainless steel BSP male thread extension pipe nipples are built for plumbers, marine engineers, DIY homeowners, and industrial maintenance crews who need a dependable, corrosion-resistant solution that threads in and stays sealed.

Each nipple is machined from solid Grade 316 stainless steel — the molybdenum-bearing alloy chosen for its superior resistance to chloride and salt environments. Available in three BSP nominal pipe sizes (1/2", 3/4", and 1") and four lengths — 100mm (≈4"), 150mm (≈5.9"), 200mm (≈7.9"), and 300mm (≈11.8") — with male BSP threads on both ends. Sold individually or in sets of 2 or 5 pieces to suit single repairs or multi-point installations.

Typical applications include extending water supply lines in residential and commercial plumbing, connecting valves and gauges in industrial pipework, bridging fittings in marine and offshore installations, and adapting BSP-threaded components in HVAC and irrigation systems. The consistent thread form makes these a go-to BSP pipe extension for any job where reach and corrosion resistance both matter.

🔗 Thread Compatibility: These fittings use BSP (British Standard Pipe) male threads — standard in the UK, Australia, and much of Asia and Europe. Not directly compatible with NPT threads. Verify your existing fittings are BSP before ordering.

✅ Key Features of These 316 Stainless Steel BSP Extension Pipe Nipples

  • 🦾Grade 316 Stainless Steel Construction — Contains molybdenum for enhanced resistance to chloride pitting and crevice corrosion, making it the preferred choice for marine plumbing fittings and coastal installations.
  • 📏Four Length Options in One Listing — Choose from 100mm (≈4"), 150mm (≈5.9"), 200mm (≈7.9"), or 300mm (≈11.8") to precisely bridge the gap in your pipework without cutting or improvising.
  • 🔩Male BSP Threads on Both Ends — Machined to BSP (G-thread) standard for a consistent, leak-resistant fit with BSP female sockets, valves, and couplings across plumbing and industrial systems.
  • 🏗️Three Nominal Pipe Sizes Available — 1/2", 3/4", and 1" BSP cover the most common residential, commercial, and light industrial pipe extension scenarios in a single product family.
  • 🔄Flexible Quantity Options — Order 1, 2, or 5 pieces per variant to match single-point repairs or multi-outlet installations without overstocking or making multiple orders.
  • 🌊Suited for Wet, Humid, and Saltwater Environments — Unlike 304 SS fittings, the 316 alloy holds up in bilge systems, dock plumbing, irrigation manifolds, and other stainless steel pipe fittings for outdoor use where moisture and salt are constant factors.

📐 Technical Specifications — BSP Male Thread Extension Pipe Nipple

Material Grade 316 Stainless Steel (molybdenum-bearing)
Thread Standard BSP (British Standard Pipe) — Male both ends
Available Pipe Sizes 1/2" BSP, 3/4" BSP, 1" BSP
Available Lengths 100mm (≈4"), 150mm (≈5.9"), 200mm (≈7.9"), 300mm (≈11.8")
Thread Form See variant options (BSPP parallel or BSPT tapered — confirm with product images)
Surface Finish Machined / natural stainless steel
Corrosion Resistance Excellent — suitable for marine, industrial, and outdoor environments
Typical Working Pressure Generally up to 150 PSI (≈10 bar) — verify for your application
Compatible Media Water, air, mild chemicals — contact us to confirm for gas or aggressive media
Quantity per Order 1 Pcs, 2 Pcs, or 5 Pcs (select above)
Country of Origin Contact us to confirm
⚠️ Before You Order: BSP and NPT threads are not interchangeable. Measure or check the thread markings on your existing fittings. If you're unsure whether your system uses BSP or NPT, contact us before purchasing.

❓ Frequently Asked Questions

How do I choose the right length for my BSP extension nipple?

Measure the gap between the two fittings you need to bridge. Available lengths are 100mm (≈4"), 150mm (≈5.9"), 200mm (≈7.9"), and 300mm (≈11.8"). Generally, choose the shortest length that comfortably spans the gap to minimize stress on the joint. If you're unsure, 150mm is typically a versatile starting point for most residential plumbing extensions.

What is the pressure rating of these 316 stainless steel pipe nipples?

316 stainless steel BSP fittings are generally rated for working pressures up to 150 PSI (approximately 10 bar) in standard plumbing applications, though the actual rating depends on pipe diameter, wall thickness, and the connected system. Always verify with your system's engineer or refer to your local plumbing code for pressure-critical installations.

Are these pipe nipples suitable for outdoor or marine use?

Yes. Grade 316 stainless steel contains molybdenum, which provides significantly better resistance to chloride corrosion compared to 304 SS. This makes it well-suited for marine environments, coastal installations, saltwater plumbing systems, and outdoor applications exposed to moisture and salt air.

What thread standard do these fittings use — NPT or BSP?

These fittings use BSP (British Standard Pipe) threads, which are parallel (BSPP/G-thread) male threads. BSP threads are not directly compatible with NPT (National Pipe Taper) threads. If your existing system uses NPT fittings, you will need a BSP-to-NPT adapter. BSP is the standard in the UK, Australia, and many parts of Asia and Europe.

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

Yes. For BSPP (parallel) threads, a sealing method is required at the joint face — typically an O-ring or bonded seal washer. PTFE tape can also be used on the threads as a secondary measure. For BSPT (tapered BSP) variants, PTFE tape or thread sealant compound applied to the male threads is the standard practice. Always follow the fitting manufacturer's recommendation.

Can I use these nipples for gas lines?

316 stainless steel is generally compatible with many gas applications, but suitability depends on the specific gas type, pressure, and local code requirements. In most cases, you should consult a licensed gas fitter and verify that the fitting is rated and certified for gas use in your jurisdiction before installation.

What pipe size should I order — 1/2" vs 3/4" vs 1"?

The pipe size refers to the BSP nominal bore size, not the outer diameter of the fitting. Match the size to your existing pipe or fitting thread: 1/2" BSP is common for residential water supply lines and small appliances; 3/4" BSP is typical for main supply branches and irrigation; 1" BSP suits higher-flow commercial or industrial runs. Check the thread size stamped on your existing fittings if unsure.

🛒 Select your pipe size and length above, then add to cart — ships from our US warehouse.

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