TBMA has a wealth of experience and manufacture the most extensive range of high quality rotary valves and blowing seals available. TBMA, through Lime Systems - Bulk Storage Solutions can supply rotary valves to suit your requirements. All units can be supplied with circular or rectangular inlet and discharge flanges or a combination of both. The heavy duty models, designated “H” have an optional Tungsten Carbide bore lining with replaceable hardened steel rotor blades and air purged lantern ring shaft sealing. For less arduous duties the “R” & “M” range’s offer lower cost whilst retaining the quality TBMA is renowned for. For light duty, the model “S” is available where low pressure differential sealing is required that does not warrant the cost of heavier and more expensive units.