BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"
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BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"

BSPT Reducing Adapter Fittings — Brass Female to Male, 1/8" to 2"

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Beschreibung

 

BSPT Reducing Adapter Fittings — Connect Different Pipe Sizes Without Leaks

When your plumbing, compressed air, or fluid system has two pipes of different sizes that need to meet, finding a reliable BSPT reducing adapter is the difference between a clean install and a frustrating leak. Whether you are a plumber, HVAC technician, or a hands-on DIYer tackling a home project, mismatched thread sizes are one of the most common headaches on the job.

Each fitting is machined from solid brass and features a female BSPT port on one end and a male BSPT tapered thread on the other, allowing you to step down or step up between two different pipe sizes in a single connection. Available in a wide range of size combinations from 1/8" to 2" — covering the most common nominal pipe sizes used in residential and commercial systems. Choose from single-piece (1pcs) or value packs (5pcs) to match your project scale.

These BSPT female to male reducing adapters are well-suited for compressed air line installations, water supply plumbing, hydraulic circuit assembly, and industrial fluid transfer systems where a tapered threaded reducing connection is required. The tapered BSPT thread form creates a mechanically tight joint that, when used with PTFE tape, delivers a reliable seal across a range of pressures.

🔗 Thread Standard: BSPT (British Standard Pipe Taper) — compatible with BSP taper threaded ports. Verify your existing fitting thread type before ordering. Use PTFE tape for a leak-free seal.
⚠️ Note: BSPT (tapered) and BSPP (parallel) threads are not fully interchangeable. Confirm your port type before installation. If unsure, contact us to confirm compatibility.

✅ Key Features of These BSPT Reducing Adapter Fittings

  • 🔩Tapered BSPT Thread Form — The male end features a BSPT taper thread that wedges into the female port as it tightens, creating a mechanically secure, self-sealing joint when used with thread sealant.
  • 🟡Solid Brass Construction — Machined from brass for durability, corrosion resistance, and reliable performance in water, air, oil, and other non-corrosive fluid systems.
  • 📐Wide Size Range — Available in combinations from 1/8" up to 2" nominal pipe size, covering the most common reducing configurations used in residential plumbing and industrial piping.
  • 🔄Reducing Design — Each adapter steps between two different nominal pipe sizes in a single fitting, eliminating the need for multiple components when connecting mismatched pipe diameters.
  • 📦Flexible Pack Quantities — Available as single pieces for spot repairs or in 5-packs for multi-point installations, giving you the right quantity for the job without overstocking.
  • 🏭Broad Application Compatibility — Suitable for compressed air lines, water supply systems, hydraulic circuits, and fuel line assemblies where a brass BSPT reducing pipe adapter is required.

📐 Technical Specifications — BSPT Brass Reducing Adapter Fittings

Thread Standard BSPT (British Standard Pipe Taper)
Connection Type Female BSPT × Male BSPT (reducing)
Material Brass
Size Range 1/8" to 2" nominal pipe size (both ends)
Available Size Combinations See variant options (35 combinations from 1/8" × 1/8" to 2" × 2")
Pack Quantity 1pcs or 5pcs
Finish Natural brass (uncoated)
Recommended Sealant PTFE thread tape or compatible pipe thread sealant
Typical Working Pressure Contact us to confirm for your specific size and application
Suitable Media Water, air, oil, and other non-corrosive fluids (generally)
Country of Origin See variant options

❓ Frequently Asked Questions

How do I choose the right size BSPT reducing adapter?

Measure the outer diameter of your male thread and the inner diameter of your female port. BSPT thread sizes are designated by nominal pipe bore, not actual thread diameter. For example, a 1/2" BSPT male thread has an outer diameter of approximately 20.9mm (≈0.825"). Match the female port size to your existing fitting and the male end to the pipe or component you are connecting to. When in doubt, use a thread gauge or contact us to confirm.

What pressure rating do these brass BSPT adapters support?

Brass BSPT fittings of this type generally support working pressures up to 150–200 PSI for water and air applications at ambient temperatures. Actual ratings depend on the specific size and installation conditions. Contact us to confirm ratings for your specific application before use in high-pressure systems.

Can these fittings be used outdoors or in wet environments?

Brass has naturally good corrosion resistance and is generally suitable for outdoor and wet environments. It is not recommended for highly acidic, saline, or chemically aggressive conditions without additional protection. For outdoor installations, apply PTFE thread tape and inspect connections periodically for signs of corrosion or weeping.

Are these adapters compatible with BSP and BSPP threads?

BSPT (tapered) threads differ from BSPP (parallel) threads. A BSPT male thread will typically engage a BSPP female port but may not seal as reliably without thread sealant. For critical pressure applications, always verify the thread type of your existing fittings using a thread gauge before ordering. If you are unsure, contact us with your fitting details.

Do I need thread tape or sealant with these fittings?

Yes. For reliable, leak-free connections — especially in pressurized fluid or air systems — applying PTFE thread tape or a compatible pipe thread sealant to the male threads before assembly is strongly recommended. Wrap the tape in the direction of the thread (clockwise when viewed from the thread end) for best results.

Which applications are these BSPT reducing adapters suitable for?

These adapters are commonly used in plumbing systems, compressed air lines, hydraulic circuits, fuel lines, and industrial fluid transfer setups where two pipes or components of different BSPT thread sizes need to be joined. They are generally suitable for water, air, oil, and other non-corrosive fluids. Always verify suitability for your specific media and pressure conditions.

What is the difference between the 1pcs and 5pcs options?

The 1pcs option is ideal for single repairs or one-off installations. The 5pcs pack offers a better per-unit value and is suited for contractors, maintenance teams, or anyone working on multiple connection points in the same project. Both options ship from our US warehouse.

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

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