This flush adapter meets the standards for ANSI B16.18, has a length of 14.41 mm, a maximum operating pressure of 722 psi @ 100 Degrees F and is designed for the following applications: air and non-potable water. It has an operating temperature of -20 Degrees F to 400 Degrees F and is resistant to abrasion and is made of C84400-grade cast copper. In addition, it is a straight adapter. This flush adapter.