American AVK is an American manufacturer of valves and hydrants that complies with the requirements of the American Recovery and Reinvestment Act of 2009. Valves and hydrants from American AVK lead the industry in quality and service, guaranteed. From our 10-year warranty on valves and hydrants to our next-day parts delivery guarantee, we back every product with exceptional support. We build each product with unmatched quality, innovation and value. AVK: The name you'll want to remember.