Seal Type: NBR lip seal (standard); FKM and mechanical seals optional
Relief Valve: Integrated, factory-set at 50 PSI (adjustable)
Max Pressure: 150 PSI (lubricants), 100 PSI (non-lubricants)
Max Speed: 1750 RPM
Temperature Range: Dependent on seal type; consult factory for specifics
Bearings: Carbon graphite, self-lubricating
Mounting: Close-coupled for direct motor attachment
Suction Lift: Up to 20 feet
Flow Rate: Approx. 0.8–1.8 GPM at 50–150 PSI
Drive Options: Compatible with various motor frames via adapter kits
Lead times temporarily extended to 16 weeks.
$607.00
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The OBN999R is a bronze close-coupled rotary gear pump with an integrated relief valve, engineered for dependable fluid transfer in industrial, marine, and OEM applications. Featuring 1/2" NPT ports and a compact, corrosion-resistant design, this positive displacement pump ensures consistent flow and pressure performance.
Constructed with a bronze housing, stainless steel shaft, and carbon graphite bearings, the OBN999R is optimized for long service life and quiet operation. The built-in relief valve provides overpressure protection, making it ideal for systems with throttling devices. This model is suitable for clean, lubricating fluids compatible with bronze and stainless steel.
Recommended Applications:
Ideal for transferring oils, lubricants, and compatible chemicals in marine, industrial, and OEM systems requiring compact, corrosion-resistant, and pressure-stable performance. Not recommended for abrasive or solid-laden fluids.
