Download a PDF of the Specifications Sheet (8.04 MB) Allenair Corporation has pioneered in the manufacturing of high quality pneumatic and hydraulic cylinders, index tables, solenoid valves, air clamps and transfer pumps. Allenair offers a complete line of pneumatic and electronic accessories that enhance our entire product line. We can also meet your custom and special-order needs. Allenair products are designed to meet the ever-increasing demands required by the food, medical and industrial standards needed in today’s world. Since 1947, Allenair products have been synonymous with quality and customer service.