Product Description
Viking Pump - Model FH456 - Cast Iron Gear Pump - 4-0655-1733-521
Pump Construction and Capabilities:
| Port Size | 0.5" |
| Port Type | NPT |
| Port Orientation | Top |
| External Material | Cast Iron |
| Seal Type | Mechanical Seal |
| Seal Elastomer | Buna-N |
| Min Flow Rate (GPM) | 0.0 |
| Max Flow Rate (GPM) | 3.0 |
| Max Pressure (PSI) | 250.0 |
| Max Temperature (F) | 225.0 |
| Relief Valve | Relief Valve |
| Gear/Idler Material | Steel / Hardened Steel |
| Shaft Material | Steel |
| Idler Pin | Nitralloy |
| Idler Bushing | None |
| Shaft Bushing | Carbon Graphite |
Downloads:
Viking Pump 456 Series Catalog Section
Other Details
About Viking 456 Series Cast Iron Gear Pumps
The Viking 456 Series is a compact cast iron internal gear pump engineered for fuel oil, glycol, and lube oil service. Its internal gear design provides smooth, consistent flow in light-duty industrial applications, with capacities reaching up to 3 GPM (0.7 m3/h).
Features include:
- Standard Relief Valve
- Allows controlled recirculation of fluid from the discharge back to the suction side of the pump.
- Protects the system by limiting excessive pressure buildup in the discharge piping.
- Mechanical Seal
- All units are supplied with a mechanical seal as standard.
- The seal utilizes a rotary, cartridge-style design that is self-adjusting and easy to maintain.
- Fuel oil service
- Glycol transfer
- Lube oil circulation
Typical applications include:
| Model | Standard Port Size | Nominal Pump Rating GPM | Nominal Pump Rating m3/h | Maximum RPM | Maximum Pressure PSI | Maximum Pressure BAR |
|---|---|---|---|---|---|---|
| F456 | 0.5 | 1.5 | 0.3 | 1800 | 250 | 17 |
| FH456 | 0.5 | 3 | 0.7 | 1800 | 250 | 17 |
UL 343 listed for fuel oil applications
