Monarch NSPHE-300-3 Series Sprinkler Pump & Repair Parts
Monarch NSPHE-300-3 Series Sprinkler Pump & Repair Parts
The Monarch NSPHE-300-3 is a powerhouse in the world of lawn and turf irrigation. Unlike standard residential pumps, this model is equipped with a 3 Horsepower, 3-Phase industrial-grade motor, making it the preferred choice for commercial landscapes, golf courses, and large-scale agricultural applications requiring high voltage efficiency (208-230/460V). Built with a rugged cast gray iron housing, this self-priming pump delivers high pressure and high capacity performance that professionals trust.
Designed for longevity and ease of maintenance, the NSPHE-300-3 features a cast gray iron impeller (exclusive to 3 & 5 HP models) for superior durability against wear and tear. Whether used for a massive sprinkler system or as a standby pump for fire protection, the NSPHE-300-3 ensures reliable operation without the need for a foot valve, thanks to its built-in suction check valve.
Key Features
- Industrial 3-Phase Motor: Powered by a 3 HP, 208-230/460 Volt, 3-Phase motor designed for high-efficiency commercial power grids.
- Cast Iron Impeller: Unlike smaller models, the NSPHE-300-3 features a cast gray iron impeller specifically designed for heavy-duty workloads.
- Self-Priming Design: Features a large housing and a built-in check valve that facilitates rapid priming and prevents backflow or siphoning.
- JM Frame Motor: Utilizes a standard JM frame motor with a stainless steel shaft sleeve for shaft protection.
- Maintenance-Free Seal: Equipped with a mechanical, self-lubricating, and self-adjusting seal that eliminates the need for manual greasing or adjustment.
- High Pressure Output: Capable of generating up to 59 PSI, making it ideal for long-distance water transfer and impact sprinkler heads.
Applications
The NSPHE-300-3 is specifically engineered for applications where 3-phase power is available and high reliability is required:
- Commercial Turf Irrigation: Golf courses, parks, and sports complexes.
- Agricultural Watering: High-volume water transfer for crops.
- Fire Protection: Reliable standby pressure boosting.
- Industrial Water Transfer: Efficient movement of water in manufacturing settings.
Technical Specifications
| Model | Suction | Discharge | CP | D | DC | E | F | G | H | L | S | Y | Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NSPHE-300-3 | 2″ NPT | 2″ NPT | 23.75″ | 3.50″ | 5.56″ | 2.75″ | 5.00″ | 4.00″ | 0.38″ | 14.50″ | 6.00″ | 6.38″ | 3.00″ |
Performance Data
Capacities listed in U.S. Gallons Per Minute (GPM) based on discharge pressure at a 5 ft. lift.
| Model No. | HP | 10 PSI | 20 PSI | 30 PSI | 40 PSI | 50 PSI | Max. PSI |
|---|---|---|---|---|---|---|---|
| NSPHE-300 Series | 3 | 124 | 110 | 95 | 77 | 54 | 59 |
Electric Motor Specifications
| Model No. | Order No. | HP | Voltage | Phase | Suct. | Disch. | Ship Wt. |
|---|---|---|---|---|---|---|---|
| NSPHE-300-3 | 614405 | 3 | 208-230/460 | 3 | 2″ | 2″ | 110 lbs. |
Repair Parts
| Ref. | Code # | Qty (300B-3) | Description |
|---|---|---|---|
| 1 | 433109 | 1 | Casing |
| 2* | 433197 | 1 | Diffuser |
| 3* | 433196 | 1 | Impeller (Cast Iron) |
| 4 | 433141 | 1 | Adapter |
| 5 | 414730 | 1 | Valve Body |
| 6* | 191261 | 1 | Valve Gasket |
| 7 | 014740 | 1 | Top Weight |
| 8 | 013150 | 1 | Bottom Weight |
| 9 | 225750 | 1 | Hex HD. Bolt 1/4UNC x 1ZN PL |
| 10* | 194140 | 1 | Flinger |
| 11* | 240070 | 1 | Seal |
| 12* | 246237 | 1 | Diffuser Ring |
| 16* | 193924 | 1 | Gasket |
| 17 | 120010 | 8 | Hex HD. Bolt 3/8 UNC x 1 |
| 18 | 120000 | 8 | Hex HD. Bolt 3/8 UNC x 7/8 |
| 19 | 218702 | 1 | Motor 3HP*3PH*230/460V |
| 19 | 217696 | (Optional) | Motor 3HP*3PH*575V *TEFC* |
| 21 | 227810 | 1 | Hex Nut 1/4UNC ZN PL |
| 22* | 266006 | 1 | Sleeve |
| 23* | 240071 | 1 | Spring Holder |
| 28 | 125794 | 1 | Hex HD. Bolt 3/8 UNC x 7/8 SST |
| 29 | 185650 | 2 | Pipe Plug 3/4 NPT |
| 30 | 432015 | 1 | Key 3/16 x 1.25 |
| 31 | 416721 | 1 | Washer |
| 32 | 175000 | 1 | Washer 1/4 |