The Apex Plastic Low Pressure / High Flow Trough Valve is designed for small to medium sized troughs where you need dependable automatic shut-off in a compact space. Its smaller body makes it especially useful in troughs with confined inlet compartments, where a larger float valve may be harder to fit or adjust.
This model uses a plunger-activated design, making it a practical choice for trough installations that need straightforward mechanical water level control. It is available in 15mm and 20mm variants, allowing you to match the valve to your existing pipework while keeping the same compact valve style.
A key feature of this valve is its barbed outlet, which allows connection to a hose or silencer tube. That makes it a smart option for trough setups where quieter fill operation or redirected outlet flow is preferred. Altogether, it is a good fit for livestock watering and other small-to-medium water storage applications where low-pressure supply and efficient refill matter.
Features:
- Compact trough valve for small to medium sized troughs.
- Available in 15mm and 20mm sizes.
- Plunger-activated valve design.
- Suited to troughs with confined inlet compartments.
- Includes a barbed outlet for connection to a hose or silencer tube.
- Designed for low pressure / high flow trough applications.

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