Sure Seal specializes in components for pneumatic tank trailers, rail cars, chemical and pharmaceutical plants, and any application requiring the processing, movement and storage of dry bulk or liquid materials: butterfly valves, lined ball valves, actuators, aeration systems, relief valves, hopper tees, couplers, and sanitary valves. Sure Seal machines and manufactures all parts in house with modern advanced computer controlled machining centers to assure the highest standards in the industry. All Sure Seal valves are dimensionally interchangeable with Keystone valves but with our patented improvements and innovations. Every valve manufactured is tested to 110% of it's full pressure rating as standard, with no additional charge. We also offer a complete patented line of hopper tee products, pipe couplers and an aeration system for powder bulk storage and pneumatic tank trailer industry.
Donaldson Company is a vertically integrated filtration company engaged in the production and marketing of air filters used in a variety of industry sectors, including commercial/industrial, aerospace, chemical, alternative energy and pharmaceuticals.
We are a premier distributor in providing the finest in liquid and dry bulk handling equipment and tank truck parts such as hose, hose assemblies, valves, couplings, nozzles, manholes and much more; servicing the chemical, petroleum, dry bulk, industrial, sanitary and railcar markets.