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Hexane leakage in soybean processes is a costly operating expense as well as a potential explosion hazard. This Ramp Valve is a specialized slide gate with a stainless steel blade that moves up a ramp to allow closure at the end of the cylinder stroke. The seals do not rub against the blade during movement, so a “bubble tight” seal can be achieved. Buna-N is the seal material chosen to give a tight and long-lasting seal impervious to hexane vapors.

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