Check it out - Our durable stainless steel T-550 series check valve was designed to last. The heavy pattern 316 stainless steel is cast in a one piece body design to keep your system safe from leaks and contamination due to backflow. With a metal-to-metal disc seal rated for use in applications ranging up to almost 400˚ Fahrenheit and 200 WOG, this series works hard under pressure to keep media exactly where you want it. Click here to contact our team and find out how you can get more information about our stainless steel check valves!