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N994 12v DC Gear Pump

1HP 12VDDC
Model Number
N994H-H75
$1,729.00
oberdorfer gear pump bronze 1/2
12v DC Gear Pump. Pump housings and gears are made of top quality bronze; shafts are from stainless steel 303. Bearings are designed of high performance carbon-graphite material selected for wear resistance and long service life.

12 volt Gear pumps are positive displacement pumps. Each shaft revolution displaces a definite amount of liquid relatively unaffected by the back-pressure in the discharge line. Shaft speed and flow are directly proportional. Recommended pressure limits are 100 psi for water and non-lubricants, 150 psi for oil and lubricants. Maximum shaft speed is 1750 rpm. Shaft speed and flow are directly proportional. Motor HP needs to increase with a increase in pump pressure. The nature of a positive displacement pump. See Chart.

A relief valve is necessary in the system if the discharge line contains any throttling devices, such as a shut-off valve, a spray nozzle or other restrictive device. This will return the liquid to the suction side or to the tank. The relief valve is also available as part of the pump itself (R-model pumps). However, built-in relief valves are only good for intermittent service. If used continuously, the pump will over heat. A built-in relief valve is strictly a safety device against over-pressure. It will not work successfully as a pressure or flow control device. For this purpose a separate relief valve in the pressure line must be used.

Service life will be increase substantially if the liquid pumped is clean and has a lubricity value. These pumps have extremely close tolerances.

More Information
Model Number N994H-H75
part number N994H-H75
Series N Oberdorfer Gear Pumps Bronze
Max Flow (GPM.) 10
Max Flow GPH 600
TDH Maximum (Ft) 92
TDH Maximum (PSI) 40
Horse Power (HP) 1
Horsepower (IE .5, 1, 1.5, 20) 1.0000
Inlet Connection Type FNPT
Inlet (In.) 0.5
Outlet Connection Type FNPT
Outlet (In.) 0.5
Wetted Materials 304SS, Bronze
Elastomers / O-ring Buna-Nitrile
Voltage (V) 12DC
Voltage (Range) 12/24/36 VDC
Motor Amps (A) 80
Motor TENV
Speed (RPM.) 1725
Motor Frame 56C
Self Priming Yes
Max Operating Temperature (F) 140
Max Particle Size (In) 0.0000
Viscosity Glycerine 880.00 cp 5000.00 ssu
Shaft 304SS
Mechanical Seal LIP SEAL
Mechanical Seal Type Single
Coupling Y
Impeller Material Bronze gear
Cord Length (Ft.) 0
Duty Continuous
Drain No
Port Rotation Yes
Country of Manufacture United States
Weight (Lbs) 38.000000
Warranty (YRS.) 1
GPM Of Water At 90 Feet Of Head 10
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