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OBERDORFER 300B-F21 Self Priming Centrifugal Pump
- Pump Architecture: Self-Priming Centrifugal (Foot Mount).
- Flow Performance: Absolute 94.6 L/min (1500 GPH) Capacity.
- Impeller Technology: Open Impeller (Debris Tolerant).
- Material Construction: All-Bronze Body with Stainless Steel Shaft.
- Seal Technology: Mechanical Seal (Carbon/Ceramic).
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Description
Oberdorfer 300B-F21 Centrifugal Pump
Dominating the requirements of professional engine cooling, the Oberdorfer 300B-F21 represents the definitive fluid solution for a self-priming physical bridge to vessel safety. As a premier Oberdorfer marine pump, this unit utilizes a high-torque centrifugal design to deliver superior hydrodynamic suction for ballast and heat exchange applications. The hardware architecture focuses on industrial-grade durability, ensuring this Oberdorfer power system maintains peak flow rates without the need for manual priming cycles in demanding offshore environments.
Technology-driven mechanical performance provides total protection through a corrosion-resistant bronze alloy body designed for maximum longevity in saltwater. This Oberdorfer marine pump features a high-strength stainless steel shaft and premium mechanical seals to facilitate operation in the most punishing engine room conditions. Reliability is reinforced by the precision-machined internal impellers and robust frame designed for professional maritime service. This unit is the premier choice for mariners prioritizing professional maritime power and self-priming bronze integrity.
Key Technical Specifications
- Self-priming centrifugal pump architecture.
- Corrosion resistant bronze alloy body.
- 316 stainless steel internal shaft.
- High volume fluid transfer efficiency.
- Integrated mechanical seal protection system.
- Designed for marine engine cooling.
- Professional grade industrial pump frame.
OBERDORFER 300B-F21 Self Priming Centrifugal Pump Specs
| Brand | Oberdorfer |
| Model / SKU | 300B-F21 |
| Country of Origin | USA |
| Pump Type | Self-Priming Centrifugal (All-Bronze) |
| Max Flow Rate | 94.6 L/min (1500 GPH / 25 GPM) |
| Mounting Type | F21 Base Mount (Foot Mount) |
| Impeller Type | Open Impeller (Debris Tolerant) |
| Body Material | Bronze / Stainless Steel Shaft |
| Seal Type | Mechanical Seal (Carbon/Ceramic) |
| Dry Weight | 18 lbs (8.2 kg) - Pump End Only |
| Primary Application | Marine Engine Cooling, Bilge, General Purpose Transfer |









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