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* The SUPERIOR Brand 100 PPD (2 kg/hr) Gas Sulfonator is a vacuum operated, modern, solution feed type sulfur dioxide system which is designed to directly mount on a sulfur dioxide cylinder valve * This sulfonation system is capable of supplying 100 pounds (2 kilograms per hour) of sulfur dioxide gas per day into the water supply * This system is installed directly onto the sulfur dioxide cylinder valve using a heavy-duty, positive yoke clamp connection * The sulfur dioxide meter panel shows the amount of sulfur dioxide that is being fed into the water supply; this panel may be located in a convenient, safe place * The Sulfur dioxide flow rate in this system is manually changed and the system design allows the addition of automatic flow rate control devices * A high efficiency, water operated ejector creates the vacuum required to operate the sulfur dioxide system * The ejector assembly includes a back-flow check valve system to stop pressurized water from entering the Superior Sulfonator * The high spring-opposed diaphragm vacuum regulator controls the sulfur dioxide gas flow rate and also operates as the safety shut-off valve for the system