Viking 4323A SERIES™
Brands
Viking PumpIndustry Standard
Industrial StandardThe 4323A Series™ internal gear pump is the ideal solution for crude oil, fuels, lube oil, and more because of its ability to withstand extremely high temperatures. It can handle flow rates from 500-1600 GPM (114 to 364 m³/h).

Features & Benefits
- For refinery and petrochemical applications
- Recommended for extremely high temperatures
- Widest range of sealing options available,
Performance
| Flow Rate | Max Pressure | Temperature | Viscosity |
| 500 to 1600 GPM
114 to 364 m³/h |
to 200 PSI
to 14 Bar |
-20 to +800 °F
-29 to +427 °C |
28 to 2,000,000 SSU
1 to 440,000 cSt |
Options
| Porting Options | Sealing Options | Drive Options | Mounting Options |
| Opposite (180°) (Rotatable Casing), Flanged (ASME / ANSI) | Component Mechanical Seal, Cartridge Mechanical Seal, Cartridge Triple Lip Seal | R Offset Gear Reducer Drive, P Purchased Gear Reducer Drive, D Direct-Mounted Drive, H-HL,V Drive | V-Belt Drive | Foot Mount |
| Model | Standard Port Size | Nominal Pump Rating (GPM) | Nominal Pump Rating (m3/h) | Maximum RPM | Maximum Pressure PSI | Maximum Pressure BAR |
| N4323A | 6 | 600 | 136 | 350 | 200 | 14 |
| R4323A | 8 | 1100 | 250 | 280 | 200 | 14 |
| RS4323A | 10 | 1600 | 364 | 280 | 125 | 9 |