Profile: Bush & Wilton Ltd. designs and manufactures solid & liquid flow control valves, and wear resistant corners. Our products include rotary valves & airlocks, slide gate valves, diverter valves, Ni-hard corners, and pinch valves. Our slide gate valves are used for gravity flow applications. The slides are sealed internally by a replaceable polyurethane or steel wiper ring. The end of the slide plate is sealed with an adjustable packing gland. Our inline pinch valves offer internal profile suitable for powders, granules, slurries, liquids, and gases in gravity, pressure, vacuum conveying ducts, and pipelines. Our valves are available in cast aluminum, iron, stainless steel, monel, hastelloy, Ni-hard, and with a variety of metallic coatings.