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.
