BALL VALVES, BUTTERFLY VALVES, RELIEF VALVES, ACTUATION AND BACKFLOW PREVENTION DEVICES FOR INDUSTRY, MADE IN U.S.A. Apollo Valves is a leading manufacturer of flow control products for U.S. and international markets. The company has a history of new product development and innovation that dates back to the company’s inception in 1928. Today Apollo’s line of products includes ball valves, butterfly valves; backflow prevention devices; automatic control valves; ground key codes for gas, air, gasoline, steam, and water; safety relief valves; water gauges, pipeline strainers; vacuum breakers, valve actuators and accessories. Apollo’s vertically integrated manufacturing in the U.S.A. ensures a consistency of production, testing, quality and availability. It’s customer assurance that Apollo flow control products will deliver long term performance advantages. All manufacturing plants are registered to ISO 9001 quality standards. The product line continues to expand to better serve the needs of our customers in the chemical processing, pulp and paper, petroleum, commercial plumbing and heating, manufacturing and other markets.