PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter
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PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner DiameterPVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter

PVC Straight Pipe Socket Coupling — White, 16mm–200mm Inner Diameter

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Beschreibung

PVC Straight Pipe Socket Coupling — Reliable Slip-Fit Joints for Water, Irrigation & Drainage Lines

Whether you're repairing a burst irrigation line at 7 AM or extending a drainage run in a tight crawl space, a leaking or mismatched pipe joint can turn a simple job into a costly mess. Homeowners, landscapers, and plumbing contractors who work with metric PVC pipe systems need a straight coupling they can trust to hold — one that slips on cleanly, cements securely, and doesn't crack under normal working pressure.

Each listing covers a single PVC straight socket coupling (also called a slip coupling or pipe socket). Available in 13 inner diameter sizes — 16mm (≈5/8"), 20mm (≈3/4"), 25mm (≈1"), 32mm (≈1-1/4"), 40mm (≈1-1/2"), 50mm (≈2"), 63mm (≈2-1/2"), 75mm (≈3"), 90mm (≈3-1/2"), 110mm (≈4-3/8"), 125mm (≈5"), 160mm (≈6-1/4"), and 200mm (≈7-7/8") — and sold in packs of 1, 2, 3, 4, 5, 8, or 10 pieces. Material is rigid white PVC, designed for solvent-weld (slip-fit) installation with standard PVC primer and cement.

Typical applications include residential cold water supply repairs, drip and sprinkler irrigation system extensions, residential and commercial drainage runs, pool and spa plumbing connections, and conduit joining for low-voltage wiring protection. The straight socket design makes it a go-to fitting for inline pipe-to-pipe connections where no change in direction is needed.

🔗 Compatibility Note: These couplings are sized for metric-OD PVC pipe (DIN/ISO standard: 16–200mm OD). They are not a direct fit for US Schedule 40/80 IPS pipe without an adapter. Measure your pipe's outer diameter before ordering.
⚠️ Spec Confirmation: Wall thickness and exact pressure ratings vary by size. If your application requires certified pressure ratings, please contact us to confirm before purchase.

✅ Key Features of These PVC Straight Pipe Socket Couplings

  • 📐Wide Size Range — Covers 13 inner diameter sizes from 16mm (≈5/8") to 200mm (≈7-7/8"), making it straightforward to find the right fit for small irrigation laterals up to large-diameter drainage mains.
  • 🔩Solvent-Weld Slip-Fit Socket — The smooth socket bore accepts standard PVC primer and cement for a chemically fused, leak-resistant joint that becomes as strong as the pipe itself when properly installed.
  • 🏗️Rigid PVC Construction — Made from rigid white PVC, this material resists corrosion, scale buildup, and common household chemicals, making it a dependable choice for cold water supply and drainage pipe repair.
  • 📦Flexible Pack Quantities — Order 1 piece for a single repair or up to 10 pieces for a larger irrigation or drainage project, so you only pay for what you need without overstocking.
  • ⚡Straight-Through Flow Path — The inline socket design introduces no bends or restrictions, maintaining consistent flow velocity through the joint — important for drip irrigation systems and gravity-fed drainage lines.
  • 🌿Versatile Application Fit — Suitable for cold water supply repairs, sprinkler and drip irrigation extensions, residential drainage runs, pool and spa plumbing, and PVC conduit joining for wire protection.

📐 Technical Specifications — PVC Straight Socket Coupling

Product Type Straight Socket Coupling (Slip Coupling)
Material Rigid PVC (Polyvinyl Chloride)
Color / Finish White
Connection Type Solvent-weld slip-fit (requires PVC primer + cement)
Inner Diameter Options 16mm (≈5/8"), 20mm (≈3/4"), 25mm (≈1"), 32mm (≈1-1/4"), 40mm (≈1-1/2"), 50mm (≈2"), 63mm (≈2-1/2"), 75mm (≈3"), 90mm (≈3-1/2"), 110mm (≈4-3/8"), 125mm (≈5"), 160mm (≈6-1/4"), 200mm (≈7-7/8")
Pipe Standard Compatibility Metric-OD PVC pipe (DIN/ISO); not direct-fit for US IPS Schedule 40/80
Packing Quantity 1 / 2 / 3 / 4 / 5 / 8 / 10 pieces per order
Pressure Rating See variant options — contact us to confirm for your size
Temperature Range Typically suitable for cold water (up to approx. 60°C / 140°F)
Recommended Use Cold water supply, irrigation, drainage, pool/spa plumbing, conduit
Wall Thickness See variant options
Country of Origin Contact us to confirm

❓ Frequently Asked Questions

How do I choose the right inner diameter for my pipe?

Match the coupling's inner diameter (ID) to your pipe's outer diameter (OD). For example, a 16mm coupling (≈5/8" ID) typically fits metric PVC pipe with a 16mm OD. Always measure your pipe OD with calipers before ordering. If you're between sizes, size up and use primer and cement to ensure a snug, leak-free fit.

Quick reference: 25mm ID ≈ 1" metric pipe | 50mm ID ≈ 2" metric pipe | 110mm ID ≈ 4" metric pipe.

What pressure rating do these PVC couplings generally handle?

PVC straight socket couplings of this type are generally rated for low-to-medium pressure water systems — typically up to 150 PSI for smaller diameters (16–50mm) and lower for larger sizes (63–200mm). Actual ratings depend on wall thickness and installation quality. Contact us to confirm specs for your specific size before use in pressurized systems.

Can these couplings be used outdoors or underground?

PVC is generally resistant to moisture and mild chemicals, making it well-suited for underground drainage and irrigation use. However, standard white PVC is not UV-stabilized, so prolonged direct sunlight exposure may cause brittleness over time. For above-ground outdoor runs, consider wrapping or painting the pipe for UV protection.

What pipe standards are these couplings compatible with?

These straight socket couplings are designed for metric-OD PVC pipe following DIN/ISO sizing (16, 20, 25, 32, 40, 50, 63, 75, 90, 110, 125, 160, 200mm OD). They are not directly compatible with US Schedule 40/80 IPS pipe without an adapter, as IPS uses different OD dimensions. Please verify your pipe standard before ordering.

Do I need solvent cement to install these couplings?

Yes. These are slip-fit (solvent-weld) socket couplings. For a watertight, permanent joint, apply PVC primer followed by PVC solvent cement to both the pipe end and the socket interior before pushing them together. Allow adequate cure time per the cement manufacturer's instructions before pressurizing the line.

Which size should I order for a 1-inch water supply line?

A standard 1-inch metric PVC pipe has a 25mm outer diameter, so the 25mm inner diameter coupling is typically the correct match. Note that US 1" IPS pipe has a different OD (approximately 33.4mm), which would require the 32mm coupling or a dedicated IPS adapter. Always confirm your pipe's actual OD with calipers before selecting.

Can I use these for hot water lines?

Standard PVC is generally rated for cold water and low-temperature applications (typically up to 60°C / 140°F). For hot water supply lines above this threshold, CPVC or other heat-rated fittings are recommended. These couplings are well-suited for cold water supply, irrigation, drainage, and pool/spa plumbing where temperatures stay within the normal cold-water range.

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

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