A rotary valve’s housing is typically made from cast iron or various grades of stainless-steel, but when you process highly abrasive chemicals, internal coatings can add a much-needed layer of protection that extends the valve’s lifespan. XTR-Coat is an excellent choice for its strong resistance to corrosion and abrasion, as well as its non-stick surface. For even more abrasive materials like silica sand, a tungsten coating offers the best durability.
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What does ‘food grade’ mean for valves?
If you’re conveying ingredients for food or pet food, you most likely need a food-grade rotary valve for sanitation and compliance — but which features make a valve ‘food grade’?
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