16-90mm PVC Water Supply Pipe Fittings Reducing Bushing Adapter Connector Joints

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16-90mm PVC Water Supply Pipe Fittings Reducing Bushing Adapter Connector Joints

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Colour: White

Size(OD x ID ): 20*16mm

Amount: 1Pcs

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$1.56 USD

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In stock (500 units), ready to be shipped

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PVC Reducing Bushing Adapter — Leak-Free Pipe Size Transitions for Water Supply Systems

When a plumbing run demands a clean, reliable transition between two different pipe diameters, a mismatched fitting can mean leaks, pressure loss, and costly rework. DIYers, irrigation installers, and maintenance professionals who need a dependable reducing bushing adapter that simply works will find this PVC connector the straightforward solution for every size-change scenario.

Each reducing bushing is molded from rigid PVC (polyvinyl chloride) and features a male spigot on one end and a female socket on the other, allowing it to slip directly into standard PVC pipe fittings. The outer diameter (OD) ranges from 20 mm (approx. 0.79 in) up to 90 mm (approx. 3.54 in), with inner diameters (ID) spanning 16 mm to 75 mm, covering the most common residential and light-commercial pipe schedules. Available in White, Blue, and Grey to match existing pipework or color-code systems by function.

Typical applications include cold-water supply line step-downs in residential plumbing, drip-irrigation manifold connections where a main 63 mm header feeds 25 mm branch lines, and garden pond or aquarium recirculation systems requiring a 50×32 mm or 50×40 mm transition. The smooth bore interior minimizes turbulence, making these joints equally suited to low-pressure gravity-fed systems and pressurized supply lines up to typical residential working pressures.

🔗 Compatibility: Fits standard PVC pressure pipe and fittings (DIN / ISO metric OD series). Confirm your existing pipe's outer diameter before ordering. Not designed for hot-water or solvent-chemical service.

✅ Key Features of These PVC Reducing Bushing Adapters

📐 Wide Size Range

OD × ID combinations from 20×16 mm up to 90×75 mm — 17 size options in a single product family to cover virtually every residential step-down need.

🎨 Three Colour Options

White, Blue, and Grey finishes let you match existing pipework or color-code systems by zone, fluid type, or pressure rating at a glance.

💧 Leak-Resistant Socket Design

Male spigot × female socket configuration creates a flush, solvent-weld-ready joint that seats fully into standard PVC fittings for a secure, drip-free seal.

🔩 Rigid PVC Construction

Molded from rigid PVC for dimensional stability, resistance to scale buildup, and long service life in cold-water supply and irrigation environments.

⚖️ Lightweight & Easy to Handle

Low unit weight makes single-handed installation straightforward in tight spaces — no special tooling required beyond standard PVC solvent cement and primer.

📦 Flexible Pack Quantities

Available in 1-piece or 2-piece packs so you can order exactly what the job requires without overstocking or making multiple trips to the supplier.

📐 Technical Specifications — PVC Reducing Bushing Adapter

Material	Rigid PVC (Polyvinyl Chloride)
Connection Type	Male spigot × Female socket (solvent-weld)
Outer Diameter (OD) Range	20 mm – 90 mm (0.79 in – 3.54 in)
Inner Diameter (ID) Range	16 mm – 75 mm (0.63 in – 2.95 in)
Available Size Combinations	See variant options
Colour / Finish	White / Blue / Grey
Working Pressure	See variant options
Temperature Rating	Cold water service (typically up to 60 °C / 140 °F)
Standard Compatibility	DIN / ISO metric OD PVC pressure pipe series
Pack Quantity	1 Pcs or 2 Pcs (select above)
Application	Water supply, irrigation, pond & aquarium plumbing

❓ Frequently Asked Questions

How do I choose the correct size reducing bushing?

Measure the outer diameter (OD) of your larger pipe and the outer diameter of your smaller pipe. The bushing's OD should match the socket of your existing larger fitting, and the bushing's ID should match the spigot of your smaller pipe. For example, if your main line is 50 mm OD and your branch is 32 mm OD, select the 50×32 mm variant.

Can these bushings handle pressurized water supply lines?

Yes. Rigid PVC reducing bushings are suitable for standard residential cold-water pressure lines. Exact pressure ratings vary by wall thickness and size — refer to the pipe schedule specifications for your specific variant. They are not recommended for steam or high-temperature hot-water service.

Are these fittings corrosion-resistant?

PVC is inherently non-metallic and will not rust or corrode in typical water supply or irrigation environments. It is also resistant to most dilute acids and alkalis found in municipal water systems, making it a long-lasting choice for buried or exposed cold-water pipework.

What adhesive or method is used to install these bushings?

These fittings are designed for solvent-cement (solvent-weld) installation. Clean and dry both mating surfaces, apply PVC primer, then apply PVC solvent cement to both the spigot and socket before pushing firmly together with a slight twist. Allow the joint to cure per the cement manufacturer's instructions before pressurizing.

Are the White, Blue, and Grey versions identical in dimensions and pressure rating?

Yes — the three colour options share the same dimensional specifications and are functionally interchangeable. Colour is purely aesthetic and can be used to visually differentiate pipe zones (e.g., irrigation vs. potable supply) within a system.

Can I use these for drip irrigation or garden watering systems?

Absolutely. These reducing bushings are widely used in drip-irrigation manifolds to step down from a larger supply header (e.g., 63 mm or 50 mm) to smaller branch lines (e.g., 25 mm or 20 mm). Their smooth bore minimizes flow restriction, and PVC's UV and chemical resistance makes them suitable for outdoor irrigation use.

Do I need to buy 1 Pcs or 2 Pcs — which pack is right for my project?

The 1 Pcs option is ideal for single-point repairs or when you need just one transition in a run. The 2 Pcs pack is cost-effective for projects with two identical transitions, or when you want a spare on hand. Both packs contain the same fitting — only the quantity differs.

🛒 Select your colour, size (OD × ID), and quantity above, then add to cart.

16-90mm PVC Water Supply Pipe Fittings Reducing Bushing Adapter Connector Joints

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Description

PVC Reducing Bushing Adapter — Leak-Free Pipe Size Transitions for Water Supply Systems

✅ Key Features of These PVC Reducing Bushing Adapters

📐 Technical Specifications — PVC Reducing Bushing Adapter

❓ Frequently Asked Questions

16-90mm PVC Water Supply Pipe Fittings Reducing Bushing Adapter Connector Joints

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