N992R Gear Pump & EXP Motor
Series (13 Models):
Product Name:N992R Gear Pump & EXP Motor
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Gear pumps are positive displacement pumps. Each shaft revolution displaces a definite amount of l9iquid 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). However, built-in relief valves are only good for intermittent service. 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.
Service life will be increase substantially if the liquid pumped is clean and has a lubricity value. These pumps have extremely close tolerances.
|Series||N992 Gear Pumps|
|Max Flow (GPM.)||4|
|Max Flow GPH||240|
|TDH Maximum (Ft)||231|
|TDH Maximum (PSI)||100|
|Horse Power (HP)||1/3|
|Horsepower (IE .5, 1, 1.5, 20)||0.3300|
|Inlet Connection Type||FNPT|
|inlet size||Less than 1"|
|Outlet Connection Type||FNPT|
|Wetted Materials||304SS, Bronze|
|Elastomers / O-ring||Buna-Nitrile|
|Phase (Ø)||Single (1)|
|Motor||EXP (C 1, Gp C/D)|
|Suction Lift (FT.)||20|
|Max Operating Temperature (F)||140|
|Viscosity||Glycerine 880.00 cp 5000.00 ssu|
|Mechanical Seal||LIP SEAL|
|Mechanical Seal Type||Single|
|Cord Length (Ft.)||0|
|Country of Manufacture||United States|