PVC Water Socket Pipe Fittings Reducing Coupling Solvent Weld Big End-Small End

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In stock (500 units), ready to be shipped

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Description

PVC Reducing Coupling Solvent Weld Socket Fittings — Reliable Pipe Reduction for Water Systems

When a plumbing run calls for a step-down from one pipe diameter to another, a loose or mismatched fitting can mean a slow drip today and a flooded cabinet tomorrow. These PVC reducing coupling socket fittings are engineered for DIYers, contractors, and facility maintenance teams who need a clean, permanent transition between two different pipe sizes without threading, clamps, or special tools.

Each coupling features a dual-socket design with a larger inlet (Big ID) and a smaller outlet (Small ID), available in sizes ranging from 25 mm × 20 mm up to 75 mm × 63 mm (approximately 1" × ¾" to 3" × 2½"). The body is manufactured from rigid PVC and is compatible with standard solvent-weld (solvent cement) installation. Available in White, Gray, and Blue to match existing pipework or colour-code fluid circuits. Sold in quantities of 1, 2, 5, 10, or 20 pieces per order.

Typical applications include residential cold-water supply lines, irrigation lateral connections, pool and spa plumbing step-downs, and light-duty industrial water distribution where a reducing socket coupling solvent weld fitting is required. The slip-socket ends accept standard PVC pipe and fittings conforming to common metric OD schedules.

⚙️ Compatibility: Designed for use with standard metric-OD PVC pressure pipe. Solvent-weld (cement) installation only. Not suitable for CPVC, ABS, or threaded connections. Confirm pipe OD before ordering.

✅ Key Features of These PVC Reducing Coupling Socket Fittings

  • 🔩Dual-Socket Reducing Design — One fitting connects two different pipe diameters in a single step, eliminating the need for adapters or bushings.
  • 🎨Three Colour Options — White, Gray, and Blue allow colour-coded circuit identification or seamless matching to existing pipework.
  • 📐Wide Size Range — 19 size combinations from 25×20 mm to 75×63 mm cover the most common residential and light-commercial reducing scenarios.
  • 🛡️Rigid PVC Construction — Resistant to corrosion, scale build-up, and common water-treatment chemicals; suitable for cold-water pressure applications.
  • 🔧Solvent-Weld Socket Ends — Standard slip-socket ends bond permanently with PVC solvent cement for a leak-free joint without special tooling.
  • 📦Flexible Pack Sizes — Order 1, 2, 5, 10, or 20 pieces to match project scale and reduce per-unit cost on larger jobs.

📐 Technical Specifications — PVC Reducing Coupling Socket Fittings

Material Rigid PVC (Polyvinyl Chloride)
Connection Type Solvent Weld (Slip Socket)
Colour Options White, Gray, Blue
Big ID (Inlet) Range 25 mm – 75 mm (approx. 1" – 3")
Small ID (Outlet) Range 20 mm – 63 mm (approx. ¾" – 2½")
Available Size Combinations See variant options
Wall Thickness See variant options
Pressure Rating Contact us to confirm
Temperature Range Suitable for cold water (typically up to 60 °C / 140 °F)
Pack Quantities 1, 2, 5, 10, 20 pcs
Application Cold water supply, irrigation, pool/spa plumbing, light industrial

❓ Frequently Asked Questions

How do I choose the correct size for my pipe run?

Measure the outer diameter (OD) of both pipes you need to join. The "Big ID" socket accepts the larger pipe and the "Small ID" socket accepts the smaller pipe. Match each socket's inner diameter to the corresponding pipe's OD. If you are unsure, contact us with your pipe OD measurements and we can confirm the correct variant.

Can these fittings be used for hot water lines?

These couplings are manufactured from rigid PVC and are intended for cold-water applications, typically rated up to approximately 60 °C (140 °F). For hot water supply lines above this temperature, a CPVC or other heat-rated fitting is required. Please contact us to confirm suitability for your specific operating conditions.

What solvent cement should I use for installation?

Use a standard PVC solvent cement (PVC glue) appropriate for the pipe schedule and local plumbing code. Clean both the pipe end and socket with PVC primer before applying cement. Allow the joint to cure fully before pressurising the system — cure time varies by cement brand, temperature, and pipe size.

Are these fittings compatible with CPVC or ABS pipe?

No. These are PVC slip-socket fittings designed for use with standard metric-OD PVC pressure pipe only. CPVC and ABS pipes have different OD dimensions and require their own compatible fittings and cements. Mixing materials can result in joint failure.

How do I prevent leaks after installation?

Ensure the pipe end is cut square and deburred. Apply PVC primer to both surfaces, then apply an even coat of PVC solvent cement to the pipe OD and socket ID. Insert the pipe with a slight twist and hold for 30 seconds. Wipe away excess cement. Do not pressurise the joint until the cement has fully cured per the manufacturer's instructions.

Which colour should I choose — White, Gray, or Blue?

All three colours share the same dimensions and pressure characteristics. White is the most common choice for general plumbing and blends with standard fittings. Gray is often used in conduit or industrial settings. Blue is useful for colour-coding cold-water circuits in multi-fluid systems. Choose based on your existing pipework or circuit identification requirements.

Can I order a mix of sizes in one purchase?

Each variant represents a specific colour, size combination, and quantity. To order multiple sizes, add each required variant to your cart separately. For large project orders requiring custom quantities or mixed packs, please contact us directly.

🛒 Select your Colour, Size, and Qty above, then add to cart.

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