High-pressure 156 Chek valves weigh 0.7 g nominal and have a 0.156 in. diameter. They are nearly 2.5 times more efficient than other similar check valves. Installed envelope is less than half of a 0.187in. diameter high pressure valve. They are available in a forward flow configuration with a stainless-steel design and hard, metal-to-metal seat for durability and long life. Maximum working pressure is 5000 psid.

The Lee Co., (860) 399-6281, www.theleeco.com