Sample Specification
The Type 586 Pressure Retaining Valve shall control upstream
pressure and be positive shutoff. The set pressure shall be
controlled via an adjustment screw. The body shall be fully
molded. The spindle shall be of non-rising design. The bonnet
connection shall be of threaded design. The seal material shall
be indicated by the color of an external tab. ANSI versions
shall meet ANSI B16.5 150lb standards. All valves shall be
tested in accordance to ISO9393. All valves shall be manufactured under ISO9001 for Quality and ISO14001 for
Environmental Management. Following assembly, every valve
shall be tested and certified bubble tight exceeding Class VI
standards.