Monarch Industries Gasoline Powered Water Pump NSGF Series Self Priming Pump & Repair Parts
High-Performance Engine Driven Dewatering Solutions
The Monarch NSGF Series Water Pump is a professional-grade, self-priming engine-driven pump engineered for demanding agricultural and industrial tasks. Whether you are managing field irrigation, sprayer applications, or transferring agricultural chemicals and liquid fertilizers, the NSGF Series delivers reliable performance under pressure.
Built with durability in mind, this series features a rugged cast iron casing and impeller, ensuring a long service life even in harsh environments. The inclusion of a Viton and stainless steel mechanical seal provides superior corrosion resistance, making it the ideal choice for handling mild chemicals and fertilizers that would degrade standard pumps.
Available with internationally renowned Briggs & Stratton or Honda engines, these pumps offer dependable start-up and adjustable throttle controls to manage flow rates efficiently. From the stamped steel base that reduces vibration to the built-in handle for easy portability, every aspect of the Monarch NSGF Series is designed for user convenience and heavy-duty operation.
Key Features
- Rugged Construction: Large cast iron casing provides durability and quick self-priming capabilities.
- Corrosion Resistant Seal: Equipped with a Viton and stainless steel mechanical seal, specifically designed for ag-fertilizer applications.
- Heavy-Duty Impeller: Durable gray iron enclosed impeller designed for higher pressure outputs.
- Premium Engine Options: Powered by reliable Briggs & Stratton or Honda engines with adjustable throttle controls and worldwide service support.
- Portability: Features a built-in handle for easy transport between job sites.
- Stable Base: Stamped steel base protects the pump and engine while facilitating easy and firm mounting.
- Standard Discharge: 2-inch NPT discharge opening for compatibility with standard piping and hoses.
Common Applications
- Agricultural Irrigation and Sprayer Systems
- Liquid Fertilizer Transfer
- Ag-Chemical Pumping
- General Dewatering and Sump Applications
- Lawn and Sprinkler Systems
Technical Specifications & Data
Performance Chart
| Model No. | Discharge Pressure in PSI at 5 ft. lift | |||||||
|---|---|---|---|---|---|---|---|---|
| 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | |
| Capacities in U.S. GPM | ||||||||
| NSGF-5 | 132 | 118 | 106 | 85 | 70 | 52 | – | – |
| NSGF-8 | 165 | 162 | 145 | 125 | 110 | 85 | 50 | 35 |
Ordering Information & Engine Specifications
| Model No. | Order No. | Suction & Discharge | HP | Ship Wt. (lbs.) | Engine Description | Low Oil Shut-off |
|---|---|---|---|---|---|---|
| NSGF-5 | 614355 | 2″ x 2″ | 5 1/2 | 94 | Briggs & Stratton INTEK, with 3 qt. fuel tank. | NO |
| NSGF-5H | 614353 | 5 1/2 | 94 | Honda, with 4 qt. fuel tank. | YES | |
| NSGF-8 | 614356 | 2 1/2″ x 2″ | 8 | 118 | Briggs & Stratton INTEK, with 3 qt. fuel tank. | NO |
| NSGF-8H | 614361 | 9 | 118 | Honda, with 6 qt. fuel tank. | YES |
Dimensions
| Model | HP | Suction & Discharge | A | B | D | E | C | Fuel Tank Capacity | Ship Wt. (lbs.) |
|---|---|---|---|---|---|---|---|---|---|
| NSGF-5 | 5.5 | 2″ x 2″ | 9.75 | 13.5 | 20.25 | 14.38 | 16.20 | 3 qt. | 94 |
| NSGF-8 | 8 | 2 1/2″ x 2″ | 13 | 17 | 23.66 | 17.75 | 17.31 | 4 qt. | 118 |
| *Dimensions measured in inches | |||||||||
Repair Parts List
Use the table below to identify replacement parts. Quantity columns (a, b, c) correspond to specific pump models:
- a: NSGF-3, NSGF-3H
- b: NSGF-5, NSGF-5H
- c: NSGF-8, NSGF-8H (Type B)
| Ref.# | Code # | a | b | c | Description |
|---|---|---|---|---|---|
| 1 | 400111 | 1 | Valve body | ||
| 1 | 414730 | 1 | Valve body | ||
| 1 | 414731 | 1 | Valve body | ||
| 2 | 146940 | 1 | Screw, 1/4″ UNC x 5/8″ SST | ||
| 2 | 225751 | 1 | 1 | Bolt, 1/4″ UNC x 1″ SST | |
| 3 | 190843 | 1 | Check valve | ||
| 3 | 191261 | 1 | 1 | Check valve | |
| 4 | 174591 | 1 | Plain washer, 1/4″ SST | ||
| 4 | 013150 | 1 | 1 | Bottom weight | |
| 5 | 400079 | 1 | Top weight | ||
| 5 | 014740 | 1 | 1 | Top weight | |
| 6 | 128880 | 1 | 1 | Nut, 1/4″ UNC SST | |
| 7 | 433210 | 1 | Casing – blue | ||
| 7 | 433104 | 1 | 1 | Casing | |
| 8 | 185650 | 1 | 1 | 1 | Pipe plug, 3/4″ NPT |
| 9 | 246237 | 1 | 1 | 1 | Diffuser ring |
Frequently Asked Questions
What engines are available for the Monarch NSGF Series pumps?
The NSGF Series is available with internationally recognized Briggs & Stratton INTEK engines or Honda engines, ensuring reliable performance and easy serviceability.
Is this pump suitable for pumping fertilizers?
Yes, the NSGF Series is designed with a Viton and stainless steel mechanical seal, which provides excellent corrosion resistance specifically for agricultural fertilizer and chemical applications.
What is the discharge size of the NSGF pump?
The pump features a standard 2-inch NPT discharge opening.
Does the Honda engine model come with Low Oil Shut-off?
Yes, the NSGF-5H and NSGF-8H models (Honda engines) are equipped with Low Oil Shut-off protection.