The prime function of a rotary valve is to regulate the flow from one chamber to another while maintaining a good airlock condition. The product is mainly in dry powder or granular form. In the dust filtration field good airlocks are essential on cyclone and bag filter applications in order that the manufacturer’s quoted high dust collection efficiencies can be maintained. Airlocks are also important in the pneumatic conveying industry, where product is regulated into a high pressure conveying line while minimising air leakage. With Kwality there are no double standards, all our standard valves are precision machined for close tolerances and minimal eccentricities. Pressure differentials to 20psi and temperatures to 400° C. We have made specials to handle temperatures covering 1200°C and pressures to 350psi.

• Maximum number of blades in contact with body at one time without affecting throughput.
• Good throat opening at valve entry allowing high pocket filling efficiency.
• Minimum clearance at rotor tips and sides with body.
• Robust body adequately stiffened to prevent distortion.
• Heavy shaft diameters minimising deflection.
• Outboard bearings for non-contamination.
• Packing gland type seals.
• Maximising valve speed to 25 rpm - prolonging life, ensuring good throughput.
• Precision machining of components.

The prime function of a rotary valve is to regulate the flow from one chamber to another while maintaining a good airlock condition. The product is mainly in dry powder or granular form. In the dust filtration field good airlocks are essential on cyclone and bag filter applications in order that the manufacturer’s quoted high dust collection efficiencies can be maintained. Airlocks are also important in the pneumatic conveying industry, where product is regulated into a high pressure conveying line while minimising air leakage. With Kwality there are no double standards, all our standard valves are precision machined for close tolerances and minimal eccentricities. Pressure differentials to 20psi and temperatures to 400° C. We have made specials to handle temperatures covering 1200°C and pressures to 350psi.

• Maximum number of blades in contact with body at one time without affecting throughput.
• Good throat opening at valve entry allowing high pocket filling efficiency.
• Minimum clearance at rotor tips and sides with body.
• Robust body adequately stiffened to prevent distortion.
• Heavy shaft diameters minimising deflection.
• Outboard bearings for non-contamination.
• Packing gland type seals.
• Maximising valve speed to 25 rpm - prolonging life, ensuring good throughput.
• Precision machining of components.