Description
3656/3756 M&L Group Cast Iron & Bronze Pumps
The 3656 and 3756 M & L-Group pumps from Goulds Water Technology have been designed with technical benefits to meet the needs of users in a variety of water supply, recirculation, and cooling applications.
| Series | M-Group |
| Manufacturer Part Number | 14AI2N9F0 |
| Product Type | Complete Pump |
| Pump Size | 3 x 4-13 |
| Material | All Iron |
| Shaft Seal Material | Carbon/Ceramic/BUNA-N |
| Speed | 1750 RPM |
| HP Rating | 20 HP |
| Phase | 3 |
| Hz | 60 Hz |
| Impeller Diameter | 11.3125″ (11 5/16″) |
| Suction NPT | 4 in. |
| Discharge NPT | 3 in. |
| Motor Enclosure Type | TEPE |
| Motor Frame | 256JM |
Applications
- Booster service
- Spraying systems
- Irrigation
- Water circulation
- Liquid transfer
- General purpose pumping
Features and Benefits
- Back pull-out to reduce maintenance down time.
- Standard John Crane Type 21 mechanical seal for both reliability and availability. Carbon/ceramic/ BUNA standard, with other faces and elastomers available.
- Available in all iron or bronze fitted construction for application versatility.
- Replaceable wearing components include stainless steel shaft sleeve and casing and hub wear rings to maintain peak efficiency.
- Enclosed impeller design, dynamic balancing and renewable wear rings reduce losses affecting performance and pump life.
- 125 lb. ANSI flange suction/discharge connections and casing rotation for piping connection versatility.
- NPT threaded connections are supplied on 1 1/2 x 2 – 10 and 2 1/2 x 3 – 8 models.
- Optional rigid carbon steel bedplate, sheet metal coupling guard and T. B. Woods spacer coupling for 3756 models.


