FAQ: Stainless for fuels/oils

Liquid level float switches and sensors play a much more important part in the oil and gas industry then they did years ago. It is no longer enough to monitor storage tank levels – equipment manufacturers and system integrators need mechanisms to monitor effluent tanks, oil/water interfaces, hydraulic reservoirs, storage pits, etc. Not controlling liquid levels accurately can result in costly fines, ruined equipment and a damaged environment. However, oil-based processes generally take place in harsh, high temperature environments – limiting the materials traditionally used for liquid level float switches and sensors.

In years past, the combination of a brass stem and Buna-N float offered a cost effective level sensing option for applications involving lubrication, recovery, refining and fuel processing. However, various industries, concerned with rising prices of brass, combined with California Proposition 65 are reconsidering stainless steel float switches for oil-based applications such as lubricating oils, hydraulic oils, gasoline, and diesel fuel.

The M5000, M5400, M5600 and M5900 series float switches are designed to withstand challenging applications such as high heat, corrosion, and viscosity and can easily replace brass/Buna versions. Several of these products are UL Haz. Loc. listed, which can be a requirement when handling and storing flammable and combustible materials.

Click to view Madison's full line of float switches and liquid level sensors for applications such as fuel tank level indicators in both automotive and specialty vehicles, fuel cell level monitoring, fuel and oil storage, and others.