N991 Oberdorfer PUMP & MTR.
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Manufacturer:
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Series (32 Models):
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Product Name:N991 Oberdorfer PUMP & MTR.
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Model Number:N991-F41
1/2HP 115
Oberdorfer N991-F41
Glycol circulation Pump by Oberdorfer is just one of hundreds of
applications. 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.
Oberdorfer Gear pumps are positive displacement pumps. Each shaft revolution displaces a definite amount of liquid relatively unaffected by the backpressure 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.
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). Often used for diesel fuel transfer. 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.
| Model Number | N991-F41 |
|---|---|
| part number | N991-F41 |
| Series | N Oberdorfer Gear Pumps Bronze |
| Max Flow (GPM.) | 2 |
| Max Flow GPH | 120 |
| TDH Maximum (Ft) | 347 |
| TDH Maximum (PSI) | 150 |
| Horse Power (HP) | 1/2 |
| Horsepower (IE .5, 1, 1.5, 20) | 0.5000 |
| Inlet Connection Type | FNPT |
| inlet size | Less than 1" |
| Inlet (In.) | 0.25 |
| Outlet Connection Type | FNPT |
| Outlet (In.) | 0.25 |
| Wetted Materials | 304SS, Bronze |
| Elastomers / O-ring | Buna-Nitrile |
| Voltage (V) | 115 |
| Voltage (Range) | 110-120 |
| Phase (Ø) | Single (1) |
| Motor Frequency | 60 |
| Motor | ODP |
| Speed (RPM.) | 1725 |
| Self Priming | Yes |
| Suction Lift (FT.) | 20 |
| Max Operating Temperature (F) | 140 |
| Viscosity | Glycerine 880.00 cp 5000.00 ssu |
| Shaft | 304SS |
| Mechanical Seal | LIP SEAL |
| Mechanical Seal Type | Single |
| Coupling | Y |
| Pump Bearing | Carbon |
| Drain | No |
| Port Rotation | Yes |
| Country of Manufacture | United States |
| Weight (Lbs) | 18.000000 |
| Warranty (YRS.) | 1 |
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