http://www.pneumax.co.za/home/products?page=shop.browse&category_id=13 | Isaiah pneumatic valves are of high quality. They’re used to manage the direction of the airflow in machinery. They also control the level of output pressure. Pneumax is South Africa’s leading supplier of pneumatic valves, solenoid valves and rodless cylinders. They supply all three models of the Isaiah check valves.
http://www.pneumax.co.za/home/products | Pneumax is a successful international company with a footprint on almost all the world’s continents. Pneumax offers a thorough and innovative product range with intelligent solutions for all application requirements. From pneumatic actuated valves, pneumatic cylinders, solenoid valve manifolds to handling equipment, the Pneumax range has been manufactured with technologically advanced materials for high performance and longevity.