BrochuresCondensed Valve Catalog (PDF | 1.5MB)DatasheetsPA11-21 Data Sheet (PDF | 1.1MB)Instruction ManualsType PA11-21 IOM (PDF | 3.7MB)DSR 500 Positioner IOM (PDF | 4.1MB)DSR500 Feedback Card IOM (PDF | 1.6MB)MiscellaneousDSR-500 Data Sheet (PDF | 586.4KB)Pilot Valve Data Sheet (PDF | 519.9KB)Technical HandbooksValve Tech Book (PDF | 31.5MB)