Profile: Tokheim Co., The specializes in tank equipment. Our product line includes liquid level gauges, breather valves, flame arrestors, pressure vacuum valves and sampling pumps. Our RA model tank gauge is a regular gauge with an aluminum float. This gauge is ideal for all petroleum based products. The NO 20RA Tokheim® gauge consists of 12" diameter welded aluminum float, stainless steel measuring tape (graduated in feet, inches, and eighths), housings, elbows, reading section, base, counterweight, brackets, tank clamps, and all essential fittings. Our Tokheim® No. 80 - 2" control valve is a condensing unit built for the exacting requirements of maintaining the proper atmosphere in various tanks. The main body and cover are sturdy gray iron, and are protected with a high quality weatherproof enamel. The two aluminum valves are lapped to the valve seats, and tested to ensure complete control of incoming and outgoing air.