20-90mm PVC Male Threaded Straight Coupling Socket Hex Pipe Connector Fittings

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20-90mm PVC Male Threaded Straight Coupling Socket Hex Pipe Connector Fittings

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Colour: White

Size: 20mm x 1&2"

Amount: 1pcs

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$2.01 USD

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PVC Male Threaded Straight Coupling Socket — Leak-Free Connections for Every Pipe Run

When a plumbing run demands a reliable, tool-friendly threaded joint, a loose or mismatched fitting can mean hours of rework and costly water damage. These PVC male threaded straight coupling sockets are engineered for DIYers, plumbers, and irrigation specialists who need a secure, repeatable connection the first time — without reaching for a pipe wrench every time.

Each coupling is molded from rigid PVC (polyvinyl chloride), offering a lightweight yet structurally sound body. The hex mid-section provides a flat wrench surface for controlled tightening. Available in nine sizes spanning 20 mm (½") through 110 mm (4"), with outer diameters scaling proportionally to the nominal pipe size. Thread form follows standard BSP/NPT-compatible male taper threads (confirm thread standard for your region before ordering).

Typical use cases include residential cold-water supply lines, drip and sprinkler irrigation manifolds, pool and spa plumbing, and industrial process piping where chemical resistance to common water-treatment agents is required. The straight-through bore maintains full flow capacity, making these fittings well-suited for low-pressure water supply systems, garden irrigation pipe connectors, and PVC hex coupling socket installations in tight spaces.

🔗 Compatibility: Designed for Schedule 40 / Class C PVC pipe. Confirm thread standard (BSP or NPT) and nominal pipe size before ordering. Not rated for hot-water or high-pressure steam applications.

✅ Key Features of These PVC Male Threaded Straight Coupling Sockets

📐 Wide Size Range

Nine sizes from 20 mm (½") to 110 mm (4") cover the most common residential and light-commercial pipe diameters in a single product line.

🔧 Hex Body for Wrench Grip

The molded hexagonal mid-section accepts a standard open-end or adjustable wrench, enabling controlled torque without slipping or marring the fitting.

💧 Full-Bore Straight-Through Design

The unobstructed internal bore maintains full flow capacity, minimizing pressure drop across the fitting in water supply and irrigation applications.

🛡️ Corrosion-Resistant PVC Construction

Rigid PVC resists rust, scale, and common water-treatment chemicals, making it suitable for long-term use in outdoor irrigation and pool plumbing environments.

🎨 Multi-Color Options

Available in White, Blue, and Grey to support color-coded pipe systems, zone identification in irrigation manifolds, or simple aesthetic preference.

📦 Flexible Pack Quantities

Order as a single piece for repairs or in packs of 2, 4, 10, or 20 for new installations and project stock — reducing per-unit cost at higher quantities.

📐 Technical Specifications — PVC Male Threaded Straight Coupling Socket

Material	Rigid PVC (Polyvinyl Chloride)
Connection Type	Male threaded × socket (slip) straight coupling
Body Style	Hex mid-section for wrench engagement
Available Sizes (Nominal)	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")
Thread Standard	See variant options
Pressure Rating	See variant options
Temperature Range	Suitable for cold water; not rated for hot water or steam
Color / Finish	White, Blue, Grey
Pack Quantities	1 pc, 2 pcs, 4 pcs, 10 pcs, 20 pcs
Compatible Pipe Standard	Schedule 40 / Class C PVC pipe (confirm before ordering)

❓ Frequently Asked Questions

How do I choose the right size coupling for my pipe?

Match the nominal size of the coupling to the nominal size of your existing pipe — not the measured outer diameter. For example, a 25 mm (¾") coupling fits 25 mm nominal PVC pipe. If you are unsure, measure the outer diameter of your pipe and cross-reference it with a standard PVC pipe OD chart before ordering.

Are these fittings BSP or NPT threaded?

Thread standard can vary by production batch and regional market. Please check the product listing variant details or contact us to confirm the thread standard (BSP or NPT) before ordering, especially if you are connecting to existing threaded fittings with a known standard.

Can these couplings be used for hot water lines?

No. Rigid PVC is rated for cold-water applications only. For hot water, steam, or high-temperature process lines, use CPVC, brass, or stainless steel fittings rated for the required temperature. Using PVC in hot-water applications can cause deformation and joint failure.

How strong are PVC threaded couplings compared to metal fittings?

PVC threaded fittings provide adequate strength for typical residential water supply and irrigation pressures (generally up to 10–16 bar depending on size and schedule). They are lighter than metal alternatives and will not corrode. However, for high-pressure industrial applications or mechanical stress environments, consult the pressure rating for your specific size and confirm suitability before installation.

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

Yes. Apply PTFE (Teflon) tape or an appropriate pipe thread sealant compound to the male threads before assembly. This ensures a leak-free seal and makes future disassembly easier. Do not over-tighten — hand-tight plus 1–2 turns with a wrench is typically sufficient for PVC threads.

What is the difference between the White, Blue, and Grey color options?

The three colors are functionally identical — the color difference is purely for visual identification. White is the most common for general plumbing. Blue is often used to mark cold-water or potable-water lines. Grey is popular for irrigation or drainage systems. Color-coding helps quickly identify pipe zones in complex installations.

Which pack size should I order for a new installation?

For single repairs or replacements, the 1 pc or 2 pcs options are ideal. For new irrigation manifold builds or multi-point plumbing runs, the 10 pcs or 20 pcs packs offer a lower per-unit cost and ensure you have spares on hand. The 4 pcs pack is a good middle ground for small projects with 3–4 connection points.

🛒 Select your colour, size, and quantity above, then add to cart.

20-90mm PVC Male Threaded Straight Coupling Socket Hex Pipe Connector Fittings

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Beschreibung

PVC Male Threaded Straight Coupling Socket — Leak-Free Connections for Every Pipe Run

✅ Key Features of These PVC Male Threaded Straight Coupling Sockets

📐 Technical Specifications — PVC Male Threaded Straight Coupling Socket

❓ Frequently Asked Questions

20-90mm PVC Male Threaded Straight Coupling Socket Hex Pipe Connector Fittings

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