Leg sleeves for oil storage tanks

Proper sealing is a must for the safety of oil tanks. Market leader HMT TANKSYSTEMS approached us to develop a maintenance-free leg sleeve and the resulting collaboration turned out to be a perfect match.

Around the world, oil is transported and stored in large tanks 24/7. HMT TANKSYSTEMS is the market leader in above-ground tank solutions. Given the stringent safety and emission standards, effective tank sealing is crucial. RIS Rubber manufactures rubber leg sleeves for HMT, ensuring reliable and durable solutions for their storage tanks.

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around the world

WHAT DOES HMT TANKSYSTEMS DO?

Founded in 1978, HMT set out to deliver better technology to the market for above-ground storage tanks. The founders of HMT developed products that not only addressed emission issues but also resolved operational challenges associated with existing floating roof and sealing technologies. Today, HMT is a global leader in above-ground storage tanks and all related activities, including the development, manufacturing, inspection, repair and coating of storage tanks. With a vast network of professionals and locations worldwide, HMT has a strong presence and collaborates with customers across all disciplines.

ris meets hmt

A GROWING PARTNERSHIP

Our collaboration with HMT continues to expand. In 2017, we started with a single type of leg sleeve, and over the years, the range has grown to include five different sizes in various rubber grades.

background information

WHAT IS A LEG SLEEVE?

A leg sleeve consists of two half-shells that are clamped around a tank leg. The inner diameter of the sleeve features sealing profiles, and a precise fit ensures the components align perfectly. The two halves are fastened together using stainless steel hose clamps, creating a complete seal.

leveraging the properties of rubber

THE RIGHT RUBBER FOR LEG SLEEVES

For HMT, we produce leg sleeves made from EPDM, NBR or FKM rubber. EPDM rubber is the most commonly used material due to its excellent resistance to ozone and UV radiation. Further benefits are its high chemical resistance, dependable temperature stability and ease of processing in production. For applications requiring greater temperature or oil resistance, FKM rubber is the preferred choice.

emission-reducing

THE IMPACT OF A PERFECT LEG SLEEVE

Leg sleeves are primarily used in storage tanks with floating roofs. The sleeve reduces emissions that could escape into the air through the tank legs. It also prevents rainwater from entering the tank via the legs. By selecting the right rubber grade, a long service life is ensured, resulting in a nearly maintenance-free solution that is also quick to install. We are pleased to continue our successful collaboration with HMT and look forward to further expanding it wherever possible.

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