Oberdorfer N991R-32-A89 Gear Pump 3/8 Rv 24V  

Oberdorfer 10021B Gear Pump  

Oberdorfer 7801 Gear Ryton  

Oberdorfer N991 Gear Pump Peo 1/4" Brz Buna  Pump housings and gears are made of top quality bronze, shafts are 303 stainless steel. Bearings are designed of high performance carbon-graphite material selected for wear resistance and long service life.   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 other lubricants. The maximum shaft speed is 1750 RPM. Close-coupled gear pumps are normally supplied with a Nitrile lip seal. A lip seal made of fluoroelastomer is available as an option. For a fluoroelastomer Seal, add S5 to the pump model number.   FEATURES Rugged corrosion resistant bronze construction Compact close-coupled design Stainless steel shafts Durable bronze spur gears Process lubricated carbon graphite bearings O-ring cover seal for maximum leak protection Nitrile Lip Seal -standard Easy field assembly to a variety of motor frames For typical DC motor pump units - see N991-32 DC For compact AC motor pump units - see Close Coupled Bronze Adapterless Rotary Gear Pumps For bronze pedestal pumps and mechanical seal styles - see model N1000 DRIVE Close-coupled pumps are mounted directly to the electric motor by means of a suitable adapter bracket. The pump drive shaft is connected to the motor shaft by a flexible coupling.   LIQUIDS & TEMPERATURES These pumps are suitable for all liquids that are compatible with bronze. Most common liquids are water, oil, and mild chemicals in the pH range of 4 to 11. Viscous liquids require reduced shaft speeds of 1150 RPM or lower. (Consult factory.) Liquids containing solids, abrasives, powders, or paint pigments are definitely not recommended for gear pumps. If abrasives are unavoidable, use a very low shaft speed. The recommended liquid temperature range is from 32o F to 140o F for best pump life. If more extreme temperature conditions exist, factory should be consulted. Freezing of water-filled pumps can cause damage and must be avoided. Oils at low temperatures are very viscous requiring a lower speed or extra power.   SUCTION LIFT As a general rule, the suction lift should be kept at an absolute minimum by placing the pump as close to the liquid source as possible. A gear pump in new condition can lift 20 feet of water in the suction line. A foot valve (preferably with built-in strainer) is recommended at the beginning of the suction line. For a first start-up, the pump should be primed to avoid dry running. Minimum size of the suction pipe is the size of the pump inlet port. For longer suction lines (over 3 feet) or for viscous liquids, the pipe should be at least one size or two sizes larger than the pump inlet port.

Oberdorfer N999 Gear Pump Peo 1/4" Brz Buna  Pump housings and gears are made of top quality bronze, shafts are 303 stainless steel. Bearings are designed of high performance carbongraphite material selected for wear resistance and long service life. 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 other lubricants. The maximum shaft speed is 1750 RPM FEATURES Rugged corrosion resistant bronze construction Compact close-coupled design Stainless steel shafts Durable bronze spur gears Process lubricated carbon graphite bearings O-ring cover seal for maximum leak protection Nitrile Lip Seal -standard Easy field assembly to a variety of motor frames For compact AC motor pump units - see Close Coupled Bronze Adapterless Rotary Gear Pumps For mechanical seal styles - see carbonator style - model N95060 DRIVE Close coupled pumps are mounted directly to the electric motor by means of a suitable adapter bracket.  The pump drive shaft is connected to the motor shaft by the flexible coupling. LIQUIDS & TEMPERATURES These pumps are suitable for all liquids that are compatible with bronze. Most common liquids are water, oil, and mild chemicals in the pH range of 4 to 11. Viscous liquids require reduced shaft speeds of 1150 RPM or lower. (Consult factory.) Liquids containing solids, abrasives, powders, or paint pigments are definitely not recommended for gear pumps. If abrasives are unavoidable, use a very low shaft speed. The recommended liquid temperature range is from 32o F to 140o F for best pump life. If more extreme temperature conditions exist, factory should be consulted. Freezing of water-filled pumps can cause damage and must be avoided. Oils at low temperatures are very viscous requiring a lower speed or extra power.  SUCTION LIFT As a general rule, the suction lift should be kept at an absolute minimum by placing the pump as close to the liquid source as possible. A gear pump in new condition can lift 20 feet of water in the suction line. A foot valve (preferably with built-in strainer) is recommended at the beginning of the suction line. For a first start-up, the pump should be primed to avoid dry running. Minimum size of the suction pipe is the size of the pump inlet port. For longer suction lines (over 3 feet) or for viscous liquids, the pipe should be at least one size or two sizes larger than the pump inlet port.  

Oberdorfer N992 Gear Pump Peo Brz 3/8" Buna Pump housings and gears are made of top quality bronze, shafts are 303 stainless steel. Bearings are designed of high performance carbon-graphite material selected for wear resistance and long service life. 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 other lubricants. The maximum shaft speed is 1750 RPM. FEATURES Rugged Corrosion Resistant Bronze Construction Compact Close-Coupled Design Stainless Steel Shafts Durable Bronze Helical Gears Provide Quiet Operation Process Lubricated Carbon Graphite Bearings O-Ring Cover Seal For Maximum Leak Protection Lip Seal or Mechanical Seal Easy Field Assembly to a Variety of Motor Frames - For Typical DC Motor Pump Units - see N992 DC For Compact AC Motor Pump Units. See Close Coupled Bronze Adapterless Rotary Gear Pumps. For Danfoss Hydraulic Motor Driven Pump Units. See Adapter 9960 For Bonze Pedestal Pumps. See Model N2000 For Close-Coupled Ductile Iron Pumps - See Model C992 LIQUIDS & TEMPERATURES These pumps are suitable for all liquids that are compatible with bronze. Most common liquids are water, oil, and mild chemicals in the pH range of 4 to 11. Viscous liquids require reduced shaft speeds of 1150 RPM or lower. (Consult factory.) Liquids containing solids, abrasives, powders, or paint pigments are definitely not recommended for gear pumps. If abrasives are unavoidable, use a very low shaft speed. See price book for the recommended liquid temperature range of lip and mechanical seals. If more extreme temperature conditions exist, factory should be consulted. Freezing of water-filled pumps can cause damage and must be avoided. Oils at low temperatures are very viscous requiring a lower speed or extra power. SUCTION LIFT As a general rule, the suction lift should be kept at an absolute minimum by placing the pump as close to the liquid source as possible. A gear pump in new condition can lift 20 feet of water in the suction line. A foot valve (preferably with built-in strainer) is recommended at the beginning of the suction line. For a first startup, the pump should be primed to avoid dry running. Minimum size of the suction pipe is the size of the pump inlet port. For longer suction lines (over 3 feet) or for viscous liquids, the pipe should be at least one size or two sizes larger than the pump inlet port. If the discharge line contains any throttling devices such as a shut-off valve, a spray nozzle or other restrictive device, it is necessary to have a relief valve in the system, which returns 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 overheat. A built-in relief valve is strictly a safety device against overpressure. 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. Unless otherwise specified, the pump motor unit is supplied by the factory for shaft rotation counterclockwise from shaft end. Reversing motor will reverse “in and “out” ports and also requires changing relief valve location. The relief valve is always on the inlet side of this pump series. The factory pressure setting is 50 PSIG. To increase pressure, turn the relief valve adjusting screw in a clockwise direction.    

Oberdorfer N4000-S3 Gear Pmp Ped Mt Bun Lipseal  

Oberdorfer N993 Gear Pump Peo 1/2" Buna Lip Pump housings and gears are made of top quality bronze, shafts are 303 stainless steel. Bearings are designed of high performance carbon graphite material selected for wear resistance and long service life. 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 other lubricants. The maximum shaft speed is 1750 RPM.   FEATURES Rugged corrosion resistant bronze construction Compact close-coupled design Stainless steel shafts Durable bronze helical gears provide quiet operation Process lubricated carbon graphite bearings O-ring cover seal for maximum leak protection Nitrile Lip Seal -standard Easy field assembly to a variety of motor frames For compact AC motor pump units - see Close Coupled Bronze Adapterless Rotary Gear Pumps For Danfoss hydraulic motor driven pump units - see adapter 9960 For bronze pedestal pumps and mechanical seal styles - see model N3000 For close-coupled ductile iron pumps - see model C993 DRIVE Close coupled pumps are mounted directly to the electric motor by means of suitable adapter bracket. The pump drive shaft is connected to the motor shaft by a flexible coupling.   LIQUIDS & TEMPERATURES These pumps are suitable for all liquids that are compatible with bronze. Most common liquids are water, oil, and mild chemicals in the pH range of 4 to 11. Viscous liquids require reduced shaft speeds of 1140 RPM or lower. (Consult factory.) Liquids containing solids, abrasives, powders, or paint pigments are definitely not recommended for gear pumps. If abrasives are unavoidable, use a very low shaft speed. The recommended liquid temperature range is from 32o F to 140o F for best pump life. If more extreme temperature conditions exist, factory should be consulted. Freezing of water-filled pumps can cause damage and must be avoided. Oils at low temperatures are very viscous requiring a lower speed or extra power.   SUCTION LIFT   As a general rule, the suction lift should be kept at an absolute minimum by placing the pump as close to the liquid source as possible. A gear pump in new condition can lift 20 feet of water in the suction line. A foot valve (preferably with built-in strainer) is recommended at the beginning of the suction line. For a first start-up, the pump should be primed to avoid dry running. Minimum size of the suction pipe is the size of the pump inlet port. For longer suction lines (over 3 feet) or for viscous liquids, the pipe should be at least one size or two sizes larger than the pump inlet port.

Oberdorfer N7000R Gear Pmp Ped Mt Pack W/Rv  

Oberdorfer N999M-F07 Gear Pmp 1/4 1/3Hp 115/230  

Oberdorfer N7000-S16 Gear Pmp Ped Mnt Bun Mech  

Oberdorfer N7000-S17 Gear Pmp Ped Mnt Vit Mech  

Oberdorfer N4000R-S17 Gear Pmp Ped Mnt Rv Vtn Mch  

Oberdorfer N9000R-S17 Gear Pmp Ped Mnt 1" Vtn Mec  

Oberdorfer 7660 Gear Only