The product is a 1-1/2" bronze swing check valve with a WSP rating of 125 psi and a WOG rating of 250 psi. It is suitable for use with water and oil steam, and features a body made of bronze.  Manufactured by Jenkins in the US, this unit weighs 3 pounds and is designed for pipes, valves, and fittings in industrial applications. Due to its weight the beast way to ship this is flat rate Priority Mail.