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OBERDORFER 172B-A82 Centrifugal Pump
Powering international yacht cooling loops, the OBERDORFER 172B-A82 delivers 20 GPM at 22 feet of head, pairing a 230V single-phase motor with a mechanical carbon/ceramic seal in bronze.
- 20 GPM output feeds cooling manifolds.
- 230V 50/60Hz motor matches international power.
- Carbon/ceramic seal blocks internal fluid leaks.
- Bronze impeller ensures smooth rotational balance.
- 3/4″ NPT ports fit standard plumbing.
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Description
Supply seawater circulation for European or international yacht HVAC systems with the Oberdorfer 172B-A82 Marine Centrifugal Pump. This close-coupled, non-self-priming centrifugal pump is designed for compatible seawater-circulation loops and provides a maximum rated flow of 1,200 GPH (20 GPM / 75.7 LPM), maximum head of 22 ft (6.7 m), and maximum pressure of 9.5 PSI.
Oberdorfer model 172B-A82 uses a 0.125 HP (1/8 HP) motor operating on 230V AC, 50/60 Hz single-phase power. It combines a cast marine-bronze casing, stainless-steel motor shaft, and carbon/ceramic mechanical face seal with 3/4-inch NPT suction and discharge ports.
Key Features
- Close-coupled non-self-priming marine centrifugal pump.
- Specified for European and international yacht HVAC cooling and seawater-circulation loops.
- Maximum rated flow of 1,200 GPH, 20 GPM, or 75.7 LPM.
- Maximum rated head of 22 ft (6.7 m) and maximum pressure of 9.5 PSI.
- 0.125 HP (1/8 HP) 50/60 Hz motor.
- 230V AC, 50/60 Hz single-phase electrical requirement.
- Cast marine-bronze casing.
- Stainless-steel motor shaft.
- Carbon/ceramic mechanical face seal.
- 3/4-inch NPT suction and 3/4-inch NPT discharge ports.
Compatibility and Installation
The Oberdorfer 172B-A82 is specified for compatible 230V marine HVAC cooling and seawater-circulation systems. Confirm that the vessel provides 230V AC 50/60 Hz single-phase power, appropriate circuit protection, compatible 3/4-inch NPT plumbing, required flow and head, and a dry mounting location. This non-self-priming pump requires flooded suction or another manufacturer-approved installation arrangement.
the listed 1,200 GPH flow is a maximum pump rating; actual output varies with total dynamic head, plumbing length and diameter, fittings, strainers, liquid conditions, and electrical supply. Use appropriate seawater intake, seacock, strainer, plumbing, mounting, wiring, and bonding components. Follow manufacturer documentation and qualified marine electrical and plumbing procedures for installation and commissioning.
Before Ordering
Verify Oberdorfer model 172B-A82, close-coupled non-self-priming configuration, 0.125 HP motor, 230V AC 50/60 Hz single-phase requirement, 1,200 GPH maximum flow, 22 ft maximum head, 9.5 PSI maximum pressure, cast marine-bronze casing, stainless-steel motor shaft, carbon/ceramic mechanical seal, 3/4-inch NPT suction and discharge ports, 245 x 135 x 155 mm dimensions, 12 lb dry weight, and 1-year limited manufacturer warranty before purchase.
OBERDORFER 172B-A82 Centrifugal Pump
| Brand | Oberdorfer |
|---|---|
| Model / SKU | 172B-A82 |
| Country of Origin | USA |
| Pump Category | Close-Coupled Marine Centrifugal (Non-Self-Priming) |
| Motor Power Output | 0.09 kW (0.125 HP / 1/8 HP) 50/60Hz Motor |
| Voltage / Frequency | 230V AC / 50/60Hz Single-Phase (International Spec) |
| Housing & Impeller Material | Cast Marine Bronze Casing with Stainless Steel Motor Shaft |
| Shaft Seal Specification | Carbon/Ceramic Mechanical Face Seal |
| Inlet / Outlet Port Size | 3/4" NPT Suction / 3/4" NPT Discharge |
| Max Flow Rate | 1200 GPH (20.0 GPM / 75.7 LPM) |
| Max Head / Pressure | 22.0 ft (6.7 m) / 9.5 PSI |
| Dimensions & Dry Weight | 245 x 135 x 155 mm / 5.4 kg (12 lbs) |
| Primary Application | European/International Yacht HVAC Cooling & Seawater Circulation Loops |
| Standard Warranty | 1 Year Limited Manufacturer Warranty |
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