Head Connection Schematics
Dia Vac Head Connection Configurations
Standard Dia-Vac® – Head Connection Configurations
| Head Connection Schematic | Description | Standard Eccentric Minimum Pressure** / Minimum Vacuum ** / CFM at 0 PSIG ** | Systems Applications |
|---|---|---|---|
| Double headed pump, both heads operating independently. | 40 PSIG Pressure 25 InHg Vacuum 0.9 CFM each head. | For economical use of 2 heads pumping separately. | |
| Double headed pump, both heads in parallel. | 40 PSIG Pressure 25 InHg Vacuum 1.7 CFM at 0 InHg. | For higher flow capacity. | |
| Double headed pump, series connected. | 75 PSIG Limited. * 28 InHg Vacuum 0.9 CFM at 0 PSIG. | For higher vacuum or pressure. | |
| Quad headed pump, all heads in parallel. | 40 PSIG Pressure 25 InHg Vacuum 0.9 CFM each head (3.6 total). | For higher flow capacity. | |
| Quad headed pump, all heads in series. | 60 PSIG Limited. * 29.5 InHg Vacuum 0.9 CFM. | For higher vacuum capacity. | |
| Quad headed pump, parallel connection of two pairs of heads in series. | 75 PSIG Limited. * 28 InHg Vacuum 1.7 CFM. | For higher vacuum & flow capacity. |