Product Description
Viking Pump - 124C / 4124C Series - Cast Iron Gear Pump
Pump Construction and Capabilities:
| Port Size | 2" |
| Port Type | NPT |
| Port Orientation | 90 Degree |
| External Material | Cast Iron |
| Seal Type | Mechanical Seal |
| Seal Elastomer | FKM |
| Min Flow Rate (GPM) | 15.0 |
| Max Flow Rate (GPM) | 500.0 |
| Max Pressure (PSI) | 200.0 |
| Max Temperature (F) | 450.0 |
| Relief Valve | Relief Valve |
| Gear/Idler Material | Iron / Iron |
| Shaft Material | Steel |
| Idler Pin | Hardened Steel |
| Idler Bushing | Carbon Graphite |
| Shaft Bushing | Carbon Graphite |
Downloads:
Viking Pump KK124C Service Manual
Viking KK124C Catalog Section (Non-Jacketed)
Other Details
About Viking 124C/4124C Series Internal Gear Pumps
Heavy-Duty Internal Gear Pumps for Industrial Positive Displacement Applications
The Viking Pump 124C and 4124C Series are heavy-duty internal gear pumps engineered for reliable, consistent fluid transfer in demanding industrial positive displacement pump applications. Designed to handle everything from thin liquids to extremely high viscosity fluids, these pumps deliver smooth, pulse-free performance across a wide range of operating conditions.
Built with rugged cast iron construction and advanced sealing flexibility, the 124C and 4124C Series are ideal for high viscosity fluid handling, including asphalt, adhesives, polymers, and lubricating oils. Their proven internal gear design ensures consistent, reliable flow and long service life across demanding industrial fluid handling applications.
Engineered for flexibility, these industrial gear pumps offer multiple porting configurations, drive options, and sealing arrangements to meet specific system requirements and simplify integration into existing processes.
Features include:
- Positive displacement internal gear design for constant, non-pulsating flow
- Handles thin to extremely high viscosity fluids with consistent performance
- U-Plus™ bracket allows flexible sealing configurations
- Optional ProPort™ casing simplifies installation and piping layouts
- Heavy-duty cast iron construction for long-term durability
- Internal relief valve available (optional plain head)
- Designed to support long service life and reliable operation
- Multiple mounting, drive, and porting configurations for system flexibility
Typical applications include:
- Adhesives & resins
- Asphalt & bitumen
- Polymers and chemical processing
- Lubricating oils
- Food products (e.g., chocolate, molasses)
Viking Pump Service & Repair
Keeping your pump running efficiently is critical to avoiding downtime and maintaining production. Our team provides expert Viking pump repair, maintenance, and support services for the 124C and 4124C Series, as well as all internal gear pump models.
Frequently Asked Questions
What types of fluids can these pumps handle?
These pumps are designed for thin to extremely high viscosity fluids, including asphalt, adhesives, oils, polymers, and food-grade materials like chocolate and molasses.
Are Viking 124C and 4124C pumps positive displacement pumps?
Yes — both models are positive displacement internal gear pumps, providing consistent, pulse-free flow regardless of system pressure changes.
Can these pumps handle high viscosity fluids?
Yes — they are specifically designed for high viscosity fluid transfer, making them ideal for thick and difficult-to-handle materials.
Do you offer repair services for Viking pumps?
Yes — we provide full-service repair, rebuild, and maintenance for Viking pumps and other industrial pumping equipment.
| Model | Standard Port Size | Nominal Pump Rating GPM | Nominal Pump Rating m3/h | Maximum RPM | Maximum Pressure PSI | Maximum Pressure BAR |
|---|---|---|---|---|---|---|
| H124C | 1.5 | 15 | 3.5 | 1750 | 200 | 14 |
| HL124C | 1.5 | 30 | 7 | 1750 | 200 | 14 |
| AK124C | 2 | 65 | 15 | 1450 | 200 | 14 |
| AL124C | 2 | 90 | 20 | 1450 | 200 | 14 |
| K124C | 2 | 80 | 18 | 780 | 200 | 14 |
| KK124C | 2 | 100 | 23 | 780 | 200 | 14 |
| L124C | 2 | 135 | 31 | 640 | 200 | 14 |
| LL124C | 3 | 140 | 32 | 520 | 200 | 14 |
| LS124C | 3 | 200 | 45 | 640 | 200 | 14 |
| Q124C | 4 | 300 | 68 | 520 | 200 | 14 |
| QS124C | 6 | 500 | 114 | 520 | 200 | 14 |
| Model | Standard Port Size | Nominal Pump Rating GPM | Nominal Pump Rating m3/h | Maximum RPM | Maximum Pressure PSI | Maximum Pressure BAR |
|---|---|---|---|---|---|---|
| H4124C | 1.5 | 15 | 3.5 | 1750 | 200 | 14 |
| HL4124C | 1.5 | 30 | 7 | 1750 | 200 | 14 |
| AK4124C | 2 | 65 | 15 | 1450 | 200 | 14 |
| AL4124C | 2 | 90 | 20 | 1450 | 200 | 14 |
| K4124C | 2 | 80 | 18 | 780 | 200 | 14 |
| KK4124C | 2 | 100 | 23 | 780 | 200 | 14 |
| L4124C | 2 | 135 | 31 | 640 | 200 | 14 |
| LL4124C | 3 | 140 | 32 | 520 | 200 | 14 |
| LS4124C | 3 | 200 | 45 | 640 | 200 | 14 |
| Q4124C | 4 | 300 | 68 | 520 | 200 | 14 |
| QS4124C | 6 | 500 | 114 | 520 | 200 | 14 |
Standard Viking Pump Warranty Warranty details here.
Product Videos
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Internal Gear Pumps and How They Work
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Running Internal Gear Pumps in Reverse
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Now available in CAST IRON: U-Plus™ Bracket and ProPort™ Casing #gearpump #vikingpump #modularity
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