The 4124C Series™ internal gear pump is a trusted performer in Viking Pump's Universal Product Line, delivering exceptional reliability and efficiency for a wide range of fluid handling applications. Featuring the innovative U-Plus™ bracket design, these pumps come standard with mechanical seals while offering the flexibility to adapt to your preferred sealing solution.
Built for versatility, the 4124C Series™ supports multiple configuration options and is fully compatible with ProPort™ casings, providing a variety of flange types, sizes, and port arrangements for simplified system integration. Ideal for applications such as lubrication systems, hydraulic oil circulation, chemical processing, fuel transfer, and more, the 4124C Series™ ensures consistent performance across diverse operating conditions.
Features & Benefits
- Positive displacement internal gear pumping principle handles a wide range of viscosities with constant flow rate
- U-Plus™ Bracket adapts the pump's sealing solution to fit your needs.
- Optional ProPort™ Casing offers a variety of port sizes and types, simplifying integration into your existing piping systems
- Stainless steel window guards offer protection from rotation parts
Capacity
15 to 500 GPM
3.5 to 114 m³/h
Viscosity
28 to 2,000,000 SSU
1 to 440,000 cSt
Pressure
to 200 PSI
to 14 Bar
Temperature
-60 to +450 °F
-50 to +230 °C
Options
Porting
Drives
Mounting
Sealing
Specifications
| Model | Standard Port Size | Nominal Pump Rating GPM | Nominal Pump Rating m3/h | Maximum RPM | Maximum Pressure PSI | Maximum Pressure BAR |
|---|---|---|---|---|---|---|
| H4124C | 1.5 inches | 15 GPM | 3.5 m3/h | 1750 RPM | 200 PSI | 14 BAR |
| HL4124C | 1.5 inches | 30 GPM | 7 m3/h | 1750 RPM | 200 PSI | 14 BAR |
| AK4124C | 2 inches | 65 GPM | 15 m3/h | 1450 RPM | 200 PSI | 14 BAR |
| AL4124C | 2 inches | 90 GPM | 20 m3/h | 1450 RPM | 200 PSI | 14 BAR |
| K4124C | 2 inches | 80 GPM | 18 m3/h | 780 RPM | 200 PSI | 14 BAR |
| KK4124C | 2 inches | 100 GPM | 23 m3/h | 780 RPM | 200 PSI | 14 BAR |
| L4124C | 2 inches | 135 GPM | 31 m3/h | 640 RPM | 200 PSI | 14 BAR |
| LL4124C | 3 inches | 140 GPM | 32 m3/h | 520 RPM | 200 PSI | 14 BAR |
| LS4124C | 3 inches | 200 GPM | 45 m3/h | 640 RPM | 200 PSI | 14 BAR |
| Q4124C | 4 inches | 300 GPM | 68 m3/h | 520 RPM | 200 PSI | 14 BAR |
| QS4124C | 6 inches | 500 GPM | 114 m3/h | 520 RPM | 200 PSI | 14 BAR |
Videos
Adhesives
Adhesives are a group of substances, such as cement, glue, mucilage, and paste that are capable of holding materials together by surface attachment. Adhesives are made from many different basic materials, among them dextrin, latex, silicones, liquid rubber, resin, sodium silicate, and starch.
Asphalt Emulsions
Emulsions are asphalt suspended in a mixture with water or other liquids. This is done to ease the application of the asphalt. Uses would be crack filling, coating roadways, or waterproofing. These emulsions are shear sensitive and must be handled with care.
Biofuels
Biofuels include Biodiesel and Ethanol. These are fuels made from renewable resources and typically blended with refined fuels as additives.
Caulks
Caulks can be silicone, acrylic, or latex based adhesives and sealants used in industrial and home construction. Typically high viscosity & shear sensitive.
Edible Oils
This group of oils may consist of olive, palm, soybean, canola, pumpkin seed, corn, sunflower, safflower, peanut, grape seed, sesame, and rice bran or a blend of these oils that is typically referred to as vegetable oil.
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DRAWINGS
H4124C with ProPort™ Casing - 1.5" NPT RH/LH PDF
STEP
HL4124C with ProPort™ Casing - 1.5" NPT RH/LH PDF
STEP
H4124C with RV and ProPort™ Casing - 1.5" NPT RH/LH PDF
STEP
HL4124C with RV and ProPort™ Casing - 1.5" NPT RH/LH PDF
STEP
H4124C with ProPort™ Casing - 2" Class 150 ANSI RH/LH PDF
STEP
HL4124C with ProPort™ Casing - 2" Class 150 ANSI RH/LH PDF
STEP
H4124C with RV and ProPort™ Casing - 2" Class 300 ANSI RH/LH PDF
STEP
HL4124C with RV and ProPort™ Casing - 2" Class 300 ANSI RH/LH PDF
STEP
H4124C with Plain Head - 1.5" NPT RH/LH PDF
HL4124C with Plain Head - 1.5" NPT RH/LH PDF
H4124C with Relief Valve - 1.5" NPT RH/LH PDF
H4124C with ProPort™ Casing - 1.5" Class 125 ANSI RH/LH PDF
HL4124C with ProPort™ Casing - 1.5" Class 125 ANSI RH/LH PDF
H4124C with RV and ProPort™ Casing - 1.5" Class 125 ANSI RH/LH PDF
HL4124C with RV and ProPort™ Casing - 1.5" Class 125 ANSI RH/LH PDF
H4124C with ProPort™ Casing - 1.5" Class 250 ANSI RH/LH PDF
HL4124C with ProPort™ Casing - 1.5" Class 250 ANSI RH/LH PDF
H4124C with RV and ProPort™ Casing - 1.5" Class 250 ANSI RH/LH PDF
HL4124C with RV and ProPort™ Casing - 1.5" Class 250 ANSI RH/LH PDF
K4124C with ProPort™ Casing - 2" NPT RH/LH PDF
STEP
KK4124C with ProPort™ Casing - 2" NPT RH/LH PDF
STEP
K4124C with RV and ProPort™ Casing - 3" Class 150 ANSI RH/LH PDF
STEP
KK4124C with RV and ProPort™ Casing - 3" Class 150 ANSI RH/LH PDF
STEP
K4124C with RV and ProPort™ Casing - 3" Class 300 ANSI RH/LH PDF
STEP
KK4124C with RV and ProPort™ Casing - 3" Class 300 ANSI RH/LH PDF
STEP
K4124C with Relief Valve - 2" NPT RH/LH PDF
KK4124C with Relief Valve - 2" NPT RH/LH PDF
K4124C with Plain Head - 2" NPT RH/LH PDF
KK4124C with Plain Head - 2" NPT RH/LH PDF
K4124C with ProPort™ Casing - 2" Class 125 ANSI RH/LH PDF
KK4124C with ProPort™ Casing - 2" Class 125 ANSI RH/LH PDF
K4124C with RV and ProPort™ Casing - 2" Class 125 ANSI RH/LH PDF
KK4124C with RV and ProPort™ Casing - 2" Class 125 ANSI RH/LH PDF
K4124C with ProPort™ Casing - 2" Class 250 ANSI RH/LH PDF
KK4124C with ProPort™ Casing - 2" Class 250 ANSI RH/LH PDF
K4124C with RV and ProPort™ Casing - 2" Class 250 ANSI RH/LH PDF
KK4124C with RV and ProPort™ Casing - 2" Class 250 ANSI RH/LH PDF
K4124C with Plain Head - 4" Class 125 ANSI RH/LH PDF
K4124C with Relief Valve - 4" Class 125 ANSI RH/LH PDF
KK4124C with Relief Valve - 4" Class 125 ANSI RH/LH PDF
L4124C with ProPort™ Casing - 2" NPT RH/LH PDF
STEP
L4124C with RV and ProPort™ Casing - 2" NPT RH/LH PDF
STEP
L4124C with ProPort™ Casing - 3" Class 300 ANSI RH/LH PDF
STEP
L4124C with ProPort™ Casing - 3" Class 250 ANSI RH/LH PDF
STEP
L4124C with RV and ProPort™ Casing - 3" Class 300 ANSI RH/LH PDF
STEP
L4124C with RV and ProPort™ Casing - 3" Class 250 ANSI RH/LH PDF
STEP
L4124C with ProPort™ Casing - 4" Class 150 ANSI RH/LH PDF
STEP
L4124C with RV and ProPort™ Casing - 4" Class 150 ANSI RH/LH PDF
STEP
L4124C with ProPort™ Casing - 4" Class 300 ANSI RH/LH PDF
STEP
L4124C with RV and ProPort™ Casing - 4" Class 300 ANSI RH/LH PDF
STEP
LL4124C with ProPort™ Casing - 4" Class 300 ANSI RH/LH PDF
STEP
LL4124C with RV and ProPort™ Casing - 4" Class 300 ANSI RH/LH PDF
STEP
LS4124C with ProPort™ Casing - 4" Class 125 ANSI RH/LH PDF
STEP
LS4124C with RV and ProPort™ Casing - 4" Class 150 ANSI RH/LH PDF
STEP
LS4124C with RV and ProPort™ Casing - 4" Class 125 ANSI RH/LH PDF
STEP
LS4124C with ProPort™ Casing - 4" Class 300 ANSI RH/LH PDF
STEP
LS4124C with RV and ProPort™ Casing - 4" Class 300 ANSI RH/LH PDF
STEP
LL4124C with Relief Valve - 3" Class 125 ANSI RH/LH PDF
L4124C with Plain Head - 2" NPT RH/LH PDF
L4124C with Relief Valve - 2" NPT RH/LH PDF
LL4124C with Plain Head - 3" Class 125 ANSI RH/LH PDF
LS4124C with Plain Head - 3" Class 125 ANSI RH/LH PDF
LS4124C with Relief Valve - 3" Class 125 ANSI RH/LH PDF
L4124C with ProPort™ Casing - 2.5" Class 125 ANSI RH/LH PDF
L4124C with RV and ProPort™ Casing - 2.5" Class 125 ANSI RH/LH PDF
L4124C with ProPort™ Casing - 2.5" Class 250 ANSI RH/LH PDF
L4124C with RV and ProPort™ Casing - 2.5" Class 250 ANSI RH/LH PDF
L4124C with ProPort™ Casing - 3" Class 125 ANSI RH/LH PDF
L4124C with RV and ProPort™ Casing - 3" Class 125 ANSI RH/LH PDF
LL4124C with ProPort™ Casing - 3" Class 125 ANSI RH/LH PDF
LL4124C with RV and ProPort™ Casing - 3" Class 125 ANSI RH/LH PDF
LL4124C with ProPort™ Casing - 3" Class 250 ANSI RH/LH PDF
LL4124C with RV and ProPort™ Casing - 3" Class 250 ANSI RH/LH PDF
LS4124C with ProPort™ Casing - 3" Class 125 ANSI RH/LH PDF
LS4124C with RV and ProPort™ Casing - 3" Class 125 ANSI RH/LH PDF
LS4124C with ProPort™ Casing - 3" Class 250 ANSI RH/LH PDF
LS4124C with RV and ProPort™ Casing - 3" Class 250 ANSI RH/LH PDF
Q4124C with Plain Head - 4" Class 125 ANSI RH/LH PDF
Q4124C with Relief Valve - 4" Class 125 ANSI RH/LH PDF
Q4124C with ProPort™ Casing - 4" Class 125 ANSI RH/LH PDF
Q4124C with RV and ProPort™ Casing - 4" Class 125 ANSI RH/LH PDF
Q4124C with ProPort™ Casing - 4" Class 250 ANSI RH/LH PDF
Q4124C with RV and ProPort™ Casing - 4" Class 250 ANSI RH/LH PDF
QS4124C with Plain Head - 6" Class 125 ANSI Opposite PDF
QS4124C with Relief Valve - 6" Class 125 ANSI Opposite PDF
QS4124C with ProPort™ Casing - 6" Class 125 ANSI Opposite PDF
QS4124C with RV and ProPort™ Casing - 6" Class 125 ANSI Opposite PDF
QS4124C with ProPort™ Casing - 6" Class 250 ANSI Opposite PDF
QS4124C with RV and ProPort™ Casing - 6" Class 250 ANSI Opposite PDF