Sale
1556172060

ISA-RP75.21-1989 (R1996):Process Data Presentation For Control Valves

The purpose of this document is to assure an adequate exchange of process conditions and other pertinent information between the process system designer or the person who specifies the control valve, and the control valve supplier. The technique is not intended for use on all normal applications, but it may be a useful tool for obtaining the process data needed.

  • $31.25