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Slurry Control Valves

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Slurry Control Valves

Patented Double Arched Tube

RF's patented non-stretch tube design features two expansion arches that flex rather than stretch when closing. This gives RF valves remarkable wear resistance and cycle life superiority over conventional pinch valves. In addition, the tube arches and positive opening tags ensure tube stability under low or fluctuating line pressures and vacuum conditions. Full port and reduced port tubes permit precise throttling control.

RF tubes are available in a wide range of wear-resistant elastomers. Kevlar reinforcing cords add unsurpassed performance under high loads. Viton and Teflon lined tubes withstand even the most chemically aggressive and corrosive process conditions.

A patented SMART Valve Wear Monitoring Sensor is embedded between the inner wear resistant elastomer and the outer reinforcing cords of each tube. If the inner lining wears sufficiently to disturb the sensor wire, it will trigger a signal that can be displayed at the valve or looped into the DCS. Wireless connectivity is available. This provides for the first time a reliable tool to tell when a tube needs changing, thus reducing downtime, outage costs and unexpected failures.

Patented tube folds prevent tube from stretching when air is introduced between the valve body and the tube, and closes the valve. The folds and reinforcing cords insure full opening when actuating air is exhausted.

aiRFlex is a low cost solution to remote on/off valve actuation and for rough control services. It is ideally suited for applications where process pressure does not exceed 50 psi and air pressure of at least 30 greater than process pressure is available.

RF Manual Series

RF manual valve design features full center line closure to minimize the stress on the tube, reduce operating effort required and ensure shut-off. Tubes can be replaced without the need to remove the body from the line and the patented Wear Sensor provides advance warning when the should be maintained.

RF valves are build without valve stems, packings and seals that can leak. Their seamless elastomer tube design offers two levels of protection against fugitive emissions. A third level of protection is the valve body itself.

RF Control Series

The inherently high Cv values of RF control valves ensure superior cost-vs-capacity ratios. Control performance is also enhanced as each valve is uniquely characterized to flow requirements with either full or reduced port tubes, thus reducing turbulence and cavitation found in other valve designs. The self-cleaning, flexible elastomer action loosens deposits and eliminates problems associated with stiction, overshoot, and conventional control valve irregularities.