PVC Water Supply Pipe BSP Female Threaded Fittings Adapter Joint Various Sizes

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Description

PVC BSP Female Threaded Pipe Fittings — Reliable Adapter Joints for Water Supply Systems

Leaking joints and mismatched thread sizes are among the most frustrating problems for plumbers, irrigation installers, and DIY homeowners. These PVC BSP female threaded fittings adapter joints are engineered to deliver a secure, leak-free connection every time, whether you are retrofitting an existing system or building a new water supply line from scratch.

Each fitting is moulded from rigid UPVC (unplasticised polyvinyl chloride), offering excellent chemical resistance and long service life in both cold and ambient-temperature water applications. The female BSP (British Standard Pipe) thread is precision-formed for consistent engagement with standard male BSP fittings. Available inner diameters range from 20 mm (½") up to 110 mm (4"), with corresponding female thread sizes clearly labelled on each variant. Colour options include White, Blue, and Grey to suit different system coding conventions.

Typical use cases include residential cold-water supply pipework, garden irrigation manifolds requiring threaded tap-off points, and industrial process lines where a removable threaded adapter joint is needed for maintenance access. The 10-pcs packing option suits contractors and trade buyers working on multi-point installations.

🔗 Compatibility: Fits standard BSP male-threaded fittings and valves. Inner diameter options: 20 mm (½") · 25 mm (¾") · 32 mm (1") · 40 mm (1¼") · 50 mm (1½") · 63 mm (2") · 75 mm (2½") · 90 mm (3") · 110 mm (4"). Also available in 25 mm (½" BSP), 32 mm (½" BSP), 32 mm (¾" BSP), and 50 mm (¾" BSP) cross-size variants. Verify your pipe OD and BSP thread size before ordering.

✅ Key Features of These PVC BSP Female Threaded Pipe Fittings

🔩 Precision BSP Female Thread

Machined to BSP standard for consistent, leak-free engagement with any compatible male BSP fitting or valve body.

🧪 UPVC Construction

Rigid unplasticised PVC resists chlorinated water, mild acids, and common cleaning agents without swelling or degrading.

📐 Wide Size Range

Thirteen inner-diameter / thread-size combinations from 20 mm (½") to 110 mm (4") cover the majority of residential and light-commercial plumbing needs.

🎨 Three Colour Options

White, Blue, and Grey variants allow colour-coded system identification in multi-line installations such as irrigation or process pipework.

📦 Single or 10-Pack Quantities

Order a single piece for a one-off repair or choose the 10-pcs pack for project or trade use — both options are available across all sizes and colours.

💧 Suitable for Cold Water Supply

Rated for cold and ambient-temperature water supply lines; ideal for domestic plumbing, garden irrigation, and light industrial fluid handling.

📐 Technical Specifications — PVC BSP Female Threaded Pipe Fittings

Material UPVC (Unplasticised PVC)
Thread Standard BSP (British Standard Pipe) — Female
Inner Diameter Range 20 mm – 110 mm (½" – 4")
Available Sizes 20 mm (½"), 25 mm (¾"), 32 mm (1"), 40 mm (1¼"), 50 mm (1½"), 63 mm (2"), 75 mm (2½"), 90 mm (3"), 110 mm (4"); plus 25 mm (½" BSP), 32 mm (½" BSP), 32 mm (¾" BSP), 50 mm (¾" BSP)
Colour Options White / Blue / Grey
Packing Quantity 1 pcs or 10 pcs
Wall Thickness See variant options
Working Pressure See variant options
Temperature Range 0 °C – 45 °C (32 °F – 113 °F)
Application Cold water supply, irrigation, light industrial fluid lines
Connection Type Female BSP threaded socket

❓ Frequently Asked Questions

How do I choose the correct size for my pipe?

Match the inner diameter (ID) of the fitting to the outer diameter (OD) of your pipe, then confirm the BSP thread size shown in the variant name (e.g. "25 mm * ¾""). If you are unsure, measure the OD of your existing pipe with calipers and cross-reference a standard PVC pipe sizing chart to find the nominal size and corresponding BSP thread.

What is the difference between BSP and NPT threads?

BSP (British Standard Pipe) and NPT (National Pipe Thread) are different thread standards with different thread angles and pitches. These fittings use BSP threads and are not directly compatible with NPT fittings. Always verify that your existing fittings and valves use BSP threads before ordering.

Are these fittings suitable for hot water systems?

These UPVC fittings are rated for cold and ambient-temperature water supply up to approximately 45 °C (113 °F). They are not recommended for hot water systems, steam lines, or applications where sustained temperatures exceed this range. For hot water, consider CPVC or brass alternatives.

Do I need thread sealant (PTFE tape) when installing these fittings?

Yes. Applying two to three wraps of PTFE (plumber's) tape to the male BSP thread before assembly is strongly recommended to ensure a watertight seal and to prevent galling of the plastic threads. Do not overtighten — hand-tight plus approximately one additional turn with a strap wrench is typically sufficient.

Can these fittings be used for irrigation systems?

Yes. These PVC BSP female threaded adapter joints are widely used in garden and agricultural irrigation manifolds as tap-off points for drip lines, sprinkler heads, and solenoid valves. The Blue colour variant is particularly popular for irrigation system colour-coding. Ensure the operating pressure of your irrigation system falls within the fitting's rated working pressure (see variant options).

What is the difference between the White, Blue, and Grey colour variants?

The three colours are functionally identical — the colour difference is purely for visual identification. White is the most common choice for general plumbing. Blue is often used to denote cold water lines in multi-service installations. Grey is commonly associated with drainage or secondary water systems. Choose the colour that matches your system's colour-coding convention.

Is the 10-pcs pack the same unit price as buying individually?

The 10-pcs pack is priced at a lower per-unit cost compared to buying 10 individual pieces separately, making it the better value option for project work or trade use. The exact per-unit saving varies by size — compare the 1-pcs and 10-pcs prices shown in the variant selector above.

🛒 Select your inner diameter, thread size, colour, and packing quantity above, then add to cart.

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