High Pressure Sprays Economics Costs will vary widely with the type of equipment purchased. In general, the higher the pump pressures, the more expensive the final cost. State Information | Glossary | Conversion Checklist | Comments Home | Process Advisor | Alternatives | Links | Search All SAGE material, Copyright© 1992, Research Triangle Institute Last Update: 15 March 1995 sage@rti.org http://clean.rti.org/alt.cfm?id=hp&cat=ec