UPVC Fitting Klebefittings Durchführung Rohrverbinder Muffe 20mm-75mm Aquarium
UPVC Fitting Klebefittings Durchführung Rohrverbinder Muffe 20mm-75mm Aquarium
UPVC Fitting Klebefittings Durchführung Rohrverbinder Muffe 20mm-75mm Aquarium
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UPVC Fitting Klebefittings Durchführung Rohrverbinder Muffe 20mm-75mm AquariumUPVC Fitting Klebefittings Durchführung Rohrverbinder Muffe 20mm-75mm AquariumUPVC Fitting Klebefittings Durchführung Rohrverbinder Muffe 20mm-75mm Aquarium

UPVC Fitting Klebefittings Durchführung Rohrverbinder Muffe 20mm-75mm Aquarium

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Price:
$8.35 USD
Stock:
In stock (500 units), ready to be shipped

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Description

UPVC Solvent Weld Straight Coupler — Leak-Free Pipe Connections from 20mm to 63mm

Dealing with leaky joints or mismatched fittings is one of the most frustrating setbacks for aquarium builders, irrigation installers, and DIY plumbers. These UPVC solvent weld straight couplers are engineered for makers and builders who need a reliable, tool-free connection that holds under continuous water pressure without seeping or loosening over time.

Each coupler is manufactured from rigid unplasticized PVC (UPVC), offering a smooth internal bore and uniform wall thickness for consistent flow. The range covers six nominal pipe sizes — 20mm (DN15), 25mm (DN20), 32mm (DN25), 40mm (DN32), 50mm (DN40), and 63mm (DN50) — spanning approximately 0.79 in to 2.48 in outer diameter. Solvent cement (not included) creates a permanent, pressure-rated bond in seconds.

Typical applications include aquarium sump and return plumbing where vibration-resistant joints are essential, drip irrigation manifolds requiring long-term UV and chemical resistance, and residential cold-water supply lines where a lightweight yet rigid alternative to metal fittings is preferred. Search terms like "UPVC straight coupler for aquarium sump", "solvent weld pipe joiner DN20", and "PVC pipe connector for irrigation" all lead here.

🔗 Compatibility: Fits standard UPVC / PVC-U pressure pipe in Schedule 40 and metric PN10/PN16 dimensions. Confirm your pipe's outer diameter before ordering. Not suitable for CPVC, ABS, or threaded (BSP/NPT) connections.

✅ Key Features of These UPVC Solvent Weld Straight Couplers

💧 Leak-Free Solvent Bond

The socket-and-spigot design accepts standard UPVC solvent cement for a chemically fused, pressure-rated joint that will not loosen under vibration or thermal cycling.

🔩 Six Size Options in One Listing

Available in DN15 through DN50 (20mm–63mm OD), covering the most common residential and light-commercial pipe diameters so you can match your existing system without adapters.

🛡️ Corrosion and Chemical Resistance

Rigid UPVC is inherently resistant to chlorinated water, mild acids, and common fertilizer solutions, making these couplers suitable for both potable-water and irrigation service.

⚖️ Lightweight Yet Rigid Construction

UPVC weighs a fraction of copper or galvanized steel while maintaining the structural rigidity needed for buried, wall-mounted, or overhead pipe runs.

🐠 Aquarium and Sump Safe

Non-toxic, fish-safe material with a smooth bore that minimizes turbulence — ideal for return lines, overflow boxes, and sump plumbing in freshwater and marine tanks.

🔧 Tool-Free Installation

No threading, no compression rings, no special tools required. Apply solvent cement, push, hold for 30 seconds, and the joint is set — cutting installation time significantly on multi-connection projects.

📐 Technical Specifications — UPVC Straight Pipe Coupler

Material Rigid UPVC (Unplasticized PVC)
Connection Type Solvent weld (socket × socket)
Available Sizes (OD) 20mm / 25mm / 32mm / 40mm / 50mm / 63mm
Nominal Pipe Size (DN) DN15 / DN20 / DN25 / DN32 / DN40 / DN50
Approximate OD Range 20mm–63mm (0.79 in–2.48 in)
Wall Thickness See variant options
Pressure Rating See variant options
Color / Finish Grey (standard UPVC)
Temperature Range 0°C to 60°C (32°F to 140°F) for cold-water service
Solvent Cement Required Yes (not included)
Suitable Fluids Cold water, irrigation solutions, aquarium water
Product Type PVC Fittings

❓ Frequently Asked Questions

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

Measure the outer diameter (OD) of your existing pipe with calipers or a tape measure. Match that measurement to the coupler size listed — for example, a pipe with a 25mm OD requires the 25mm (DN20) coupler. Do not measure the inner diameter (ID), as wall thickness varies between pipe schedules.

What pressure can these couplers handle?

UPVC solvent weld fittings in this size range are typically rated for PN10 (10 bar / 145 psi) or PN16 (16 bar / 232 psi) service when used with compatible pipe and correctly applied solvent cement. Confirm the pressure rating of your specific pipe system before installation in high-pressure applications.

Are these fittings safe for aquarium use?

Yes. UPVC is a non-toxic, inert material widely used in aquarium plumbing. Once the solvent cement has fully cured (allow at least 24 hours before filling), the joint is fish-safe for both freshwater and marine environments. Flush the system thoroughly before introducing livestock.

Can I use these with CPVC, ABS, or threaded pipe?

No. These couplers are designed exclusively for UPVC (PVC-U) solvent weld pipe. CPVC and ABS require their own dedicated solvent cements and fittings. For threaded (BSP or NPT) connections, you will need a threaded adapter fitting instead.

How long does the solvent weld joint take to cure?

Initial set time is approximately 30 seconds — hold the joint firmly without twisting during this period. Allow a minimum of 1 hour before handling and at least 24 hours before pressurizing the system. Cure time may be longer in cold or humid conditions.

Can these couplers be used outdoors or underground?

UPVC has good UV resistance for short-term outdoor exposure, but prolonged direct sunlight can cause surface degradation over years. For permanent outdoor installations, wrapping the pipe and fittings with UV-protective tape or paint is recommended. These couplers are suitable for buried irrigation and drainage applications when installed below the frost line.

Is solvent cement included with the coupler?

No, solvent cement is not included. Use a UPVC-rated solvent cement (sometimes labeled "PVC cement" or "PVC glue") available at hardware stores. Apply a thin, even coat to both the pipe spigot and the coupler socket, then push together with a slight twisting motion and hold for 30 seconds.

🛒 Select your pipe size (DN / mm) above, then add to cart.

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