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OBN990R | Bronze Gear Pump with Relief, Buna Lip Seal | (N990)

Art. No.: ob_obn990r

Key Features:

Material: Bronze housing, stainless steel shaft
Port Size: 1" NPT
Seal Type: Buna (NBR) lip seal
Max Pressure: 150 PSI (lubricants), 100 PSI (non-lubricants)
Max Speed: 1750 RPM
Temperature Range: 32°F to 140°F
Bearings: Carbon graphite, self-lubricating
Mounting: Close-coupled to electric motors via adapter bracket
Bypass Valve: Integrated, factory set at 50 PSI

Lead times temporarily extended to 20 weeks.

$1,388.49

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The OBN990R is a close-coupled bronze rotary gear pump with an integrated relief valve, engineered for reliable fluid transfer in industrial and OEM systems. Featuring 1" NPT ports and a Buna (NBR) lip seal, this positive displacement pump ensures consistent flow and pressure. It includes stainless steel shafts, precision bronze helical gears, and self-lubricating carbon bearings for quiet and durable operation.

The built-in relief valve is factory-set at 50 PSI to protect against overpressure, making it ideal for systems with intermittent flow restrictions. The pump supports suction lifts up to 20 feet and is compatible with a wide range of clean, lubricating fluids.

Recommended Applications:
Ideal for transferring oils, lubricants, and compatible chemicals in compact industrial systems requiring corrosion resistance, pressure protection, and dependable performance.

Recommended Parts

Repair Kit N990 990 | (OB12010)

OBN990R | Bronze Gear Pump with Relief, Buna Lip Seal | (N990)

OBN990R | Bronze Gear Pump with Relief, Buna Lip Seal | (N990)

$1,388.49