If your shipping address is outside of US, please contact us directly.

OBN991-32 | Bronze Gear Pump Buna Lip Seal | (N991)

Art. No.: ob_obn991-32

Key Features:

Material: Bronze housing and gears, stainless steel shaft
Port Size: 1/4" NPT
Seal Type: Buna (NBR) lip seal (standard); mechanical seals optional
Max Pressure: 150 PSI (lubricants), 100 PSI (non-lubricants)
Max Speed: 1750 RPM
Temperature Range: Consult factory for seal-specific limits
Bearings: Carbon graphite, self-lubricating
Mounting: Close-coupled to motor (adapter kits available)
Suction Lift: Up to 20 feet (when primed)
Flow Rate: Approx. 1.8 GPM at 50 PSI

Lead times temporarily extended to 32 weeks.

$492.97

Prices for items exclude shipping costs and taxes. Depending on your delivery address, taxes may vary at checkout.

Request a Quote

The OBN991-32 is a compact, close-coupled bronze rotary gear pump designed for reliable fluid transfer in OEM, marine, and industrial systems. Featuring 1/4" NPT ports and a Buna (NBR) lip seal, this positive displacement pump delivers consistent flow and pressure with excellent corrosion resistance and quiet operation.

Constructed with bronze housings and gears, stainless steel shafts, and carbon graphite bearings, the OBN991-32 is engineered for long service life and minimal maintenance. Its compact design allows for easy integration with a variety of motor frames.

Recommended Applications:
Ideal for transferring oils, lubricants, and compatible chemicals in compact systems requiring corrosion-resistant, pressure-stable performance. Suitable for use in marine cooling, fuel transfer, and light industrial fluid handling.

Recommended Parts

Repair Kit N991 991 Less Gasket | (OB10640)

OBN991-32 | Bronze Gear Pump Buna Lip Seal | (N991)

OBN991-32 | Bronze Gear Pump Buna Lip Seal | (N991)

$492.97