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How Does the Floating Weir Oil Skimmer Adjust to Changing Oil Layers?

The Floating Weir Skimmer (FWS) uses a manually adjustable flow-control weir that rides on the skimmer’s sump. By increasing or decreasing pump suction, you can raise or lower the weir to maintain optimal flow — skimming only the top surface layer, including oil, scum, algae, and duckweed — with simple, precise control for your application.

What types of contaminants can this skimmer remove?

Beyond oil, the FWS is highly versatile — it can remove floating ash, plastic pellets (nurdles), parts and scraps, scum, floc, duckweed, algae, and water meal. It performs effectively in ponds, tanks, and other open-water applications, making it ideal for removing oil and surface debris across a range of environments.

What sizes and materials are available, and how do I choose the right one?

We offer 12 standard models built from industrial-grade ABS or stainless steel, handling flows from 1 GPM up to 1,500 GPM. Each model varies by weir width, outlet size, and weight.Choosing the right skimmer depends on your particular circumstances — what you’re skimming, the temperature and chemistry of the environment (including acidity), and your target surface area. SkimOIL® provides expert sizing assistance — just tell us your specific needs.

Can it operate inside enclosed tanks and cope with varying water levels?

Absolutely. The FWS performs exceptionally in enclosed tanks — with only one moving part, the hinged weir, it’s built for long-term reliability.While in-tank systems may include piping or hosing, adding the right accessories — such as flotation supports or a swing-arm system — helps maintain consistent weir positioning, especially in setups with significant vertical water-level changes or pH-sensitive environments.