PVC Rückschlagventil Klebemuffe Fittings Fußventil Bodenventil DN15-DN65 20-75mm

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PVC Rückschlagventil Klebemuffe Fittings Fußventil Bodenventil DN15-DN65 20-75mm

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Größe (Innendurchmesser): 20mm（DN15）

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$9.45 USD

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PVC Check Valve with Solvent Weld Socket — Reliable Flow Control for DN15–DN65 Pipe Systems

When a backflow event damages a pump or contaminates a water line, the cost goes far beyond a simple repair. Plumbers, irrigation installers, pool technicians, and DIY builders who work with PVC pipe systems need a PVC check valve that seals decisively, resists corrosion, and installs without specialist tools. This solvent-weld foot valve and bottom valve combination is engineered for exactly that job.

Each valve body is manufactured from rigid PVC (polyvinyl chloride), offering excellent resistance to chlorine, mild acids, and common water treatment chemicals. The solvent-weld (Klebemuffe) socket ends create a permanent, leak-free bond with standard PVC pipe. Available in seven sizes spanning DN15 to DN65, with inner diameters from 20 mm (approx. 0.79 in) up to 75 mm (approx. 2.95 in), covering the most common residential and light-commercial pipe schedules.

Typical applications include submersible pump foot valves to prevent siphon-back in wells and cisterns, inline check valves for drip irrigation and sprinkler systems where backflow protection is required, and bottom valves on chemical dosing lines where a corrosion-resistant PVC solvent weld check valve outperforms metal alternatives.

🔗 Compatibility: Fits standard PVC pressure pipe — DN15 (20 mm OD), DN20 (25 mm OD), DN25 (32 mm OD), DN32 (40 mm OD), DN40 (50 mm OD), DN50 (63 mm OD), DN65 (75 mm OD). Solvent-weld socket ends; use standard PVC cement and primer.

✅ Key Features of These PVC Solvent Weld Check Valves

🚫 Positive Backflow Prevention
The spring-loaded or flap-style internal mechanism closes automatically when forward flow stops, protecting pumps and pipelines from reverse flow and water hammer.
🧪 Corrosion-Resistant PVC Body
Rigid PVC construction withstands chlorinated water, mild acids, and common fertiliser solutions — no rust, no scale build-up, no metal contamination.
🔧 Solvent-Weld Socket Ends
Klebemuffe (glue-socket) design bonds permanently to standard PVC pipe using off-the-shelf PVC cement — no threading, no flanges, no special tooling required.
📐 Seven Size Options DN15–DN65
Inner diameters from 20 mm to 75 mm cover the full range of residential and light-commercial PVC pipe schedules, so you can match the valve precisely to your pipe bore.
💧 Foot Valve & Bottom Valve Function
Designed for vertical installation at the base of suction lines (Fußventil / Bodenventil), keeping the pump primed and preventing sediment ingress when the pump is idle.
⚖️ Lightweight for Easy Handling
PVC construction keeps unit weight low compared with brass or cast-iron equivalents, simplifying installation in confined spaces such as pump pits and valve chambers.

📐 Technical Specifications — PVC Check Valve / Foot Valve

Material	Rigid PVC (Polyvinyl Chloride)
Connection Type	Solvent Weld Socket (Klebemuffe)
Valve Function	Check Valve / Foot Valve / Bottom Valve
Size Range	DN15–DN65 (20 mm – 75 mm inner diameter)
Available Sizes	20mm (DN15), 25mm (DN20), 32mm (DN25), 40mm (DN32), 50mm (DN40), 63mm (DN50), 75mm (DN65)
Working Pressure	See variant options
Working Temperature	Up to approx. 60 °C (140 °F) — consult datasheet for pressure-temperature derating
Chemical Resistance	Chlorinated water, mild acids, fertiliser solutions; not suitable for solvents or concentrated acids
Installation Orientation	Vertical (foot valve) or horizontal (inline check valve)
Color	Grey / White (PVC standard)
Unit Weight	See variant options
Quantity per Order	1 piece

❓ Frequently Asked Questions

How do I choose the right size PVC check valve for my pipe?

Match the valve's DN (nominal diameter) to your pipe's inner diameter. DN15 fits 20 mm OD pipe, DN20 fits 25 mm OD, DN25 fits 32 mm OD, DN32 fits 40 mm OD, DN40 fits 50 mm OD, DN50 fits 63 mm OD, and DN65 fits 75 mm OD. If you are unsure, measure the outer diameter of your existing pipe and select the corresponding DN size from the variant menu above.

What is the difference between a check valve and a foot valve?

A check valve allows flow in one direction and blocks reverse flow; it can be installed in any orientation in a pipeline. A foot valve (Fußventil / Bodenventil) is a specific type of check valve designed for vertical installation at the bottom of a suction line, typically submerged in a well, tank, or cistern. It keeps the pump primed by preventing water from draining back when the pump stops. This product functions as both, depending on installation orientation.

Can this valve handle chlorinated pool or spa water?

Yes. Rigid PVC is inherently resistant to chlorine at concentrations used in residential pools and spas. It will not rust, corrode, or leach metals into the water. For heavily chlorinated commercial applications or water above 50 °C (122 °F), verify the pressure-temperature rating before installation.

What adhesive should I use to install a solvent-weld PVC valve?

Use a standard PVC solvent cement (PVC glue) compatible with rigid PVC pipe. For best results, clean and dry both the pipe end and the valve socket, apply PVC primer to both surfaces, then apply an even coat of PVC cement and push the pipe firmly into the socket with a quarter-turn. Hold for 30 seconds and allow the joint to cure fully before pressurising — typically 15–30 minutes at room temperature, longer in cold conditions.

Is this valve suitable for irrigation systems?

Yes. PVC solvent-weld check valves are widely used in drip irrigation, sprinkler systems, and pump discharge lines to prevent backflow and protect emitters from contamination. Select the size that matches your mainline pipe diameter. For suction-side installation on a surface pump drawing from a tank or pond, the foot valve function keeps the line primed between pump cycles.

What pressure rating does this PVC check valve carry?

Working pressure varies by size and wall schedule. As a general guide, rigid PVC solvent-weld fittings in this size range typically handle 6–16 bar (87–232 psi) at 20 °C (68 °F), with pressure capacity decreasing as temperature rises. Please refer to the product datasheet or contact us to confirm the rated pressure for your specific size before use in high-pressure applications.

Can I install this valve horizontally, or must it be vertical?

The inline check valve function works in both horizontal and vertical orientations. The foot valve / bottom valve function is specifically designed for vertical installation with the valve submerged at the base of a suction pipe. If installing horizontally as an inline check valve, ensure the internal mechanism is oriented correctly per the flow-direction arrow marked on the valve body.

🛒 Select your size (inner diameter / DN) above, then add to cart.

PVC Rückschlagventil Klebemuffe Fittings Fußventil Bodenventil DN15-DN65 20-75mm

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Description

PVC Check Valve with Solvent Weld Socket — Reliable Flow Control for DN15–DN65 Pipe Systems

✅ Key Features of These PVC Solvent Weld Check Valves

📐 Technical Specifications — PVC Check Valve / Foot Valve

❓ Frequently Asked Questions

PVC Rückschlagventil Klebemuffe Fittings Fußventil Bodenventil DN15-DN65 20-75mm

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