The Oberdorfer 109MB is a bronze close-coupled centrifugal pump designed for marine, HVAC, and general-purpose fluid transfer applications. Featuring a 1¼" NPT inlet and 1" NPT outlet, this pump is equipped with a Buna (NBR) mechanical seal and a carbon/ceramic sealing interface, making it suitable for water, oils, and mild solvents.
This model is built with a corrosion-resistant bronze housing, stainless steel shaft, and a Teflon® barrier seal to protect motor bearings. It is known for its quiet operation and is widely used in marine air conditioning systems.
Recommended Applications:
Ideal for marine air conditioning, bilge and washdown systems, and industrial fluid circulation where corrosion resistance, quiet operation, and compact design are essential.
Key Features:
- Material: Bronze housing, 300 series stainless steel shaft
- Port Size: 1¼" NPT inlet, 1" NPT outlet
- Seal Type: Mechanical seal (carbon/ceramic with Buna N elastomer)
- Max Pressure: 75 PSI
- Max Temperature: 212°F (100°C)
- Motor Compatibility: NEMA 56J Jet Pump Motor (various options available)
- Mounting: Close-coupled, single or three-phase motor options
- Suction Lift: Up to 15 feet (with foot valve and priming)
- Applications: Water, oils, mild chemicals, and contaminated liquids
