Onan # 132-0277 Engine Cooling Pump
Onan # 132-0277
Onan catalog # 132-0277, Onan Engine Cooling Seawater Pump, Original Equipment Cummins Onan pump, with 1/2 inch diameter shaft with 1/4 inch male tang drive, Bronze construction, Neoprene impeller. Inlet Port is 3/8 Inch NPT Inlet, Discharge Port is 3/8 Inch NPT Outlet.
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Product Information :
The Onan 132-0277 is an Onan engine cooling seawater pump, original equipment Cummins Onan pump, with 1/2 inch diameter shaft with 1/4 inch male tang drive, Bronze construction, neoprene impeller, and Vertical 1 inch Hose Ports. This bronze pump is corrosion resistant, and features a high chrome nickel stainless steel slotted drive shaft. Other features of this pump are a convenient drain plug, a machined in cam, flange mounting, and vertical direction in and out ports. This pump has 2 separate seals; one on the main pump and one on the flange mounting. The Flexible Impeller in this pump generates high rubbing friction unless lubricated by the liquid being pumped. A lack of liquid will cause the impeller to degrade rapidly. On initial start-up pump must be primed to prevent dry-running of the impeller. This pump is self-priming, and will self-prime at low or high speeds. It will pump instantly, and a suction lift of 15 feet is possible when impeller is wet and pump fully primed. Suction lines must be air tight in order for pump to self prime. The pump is constructed from marine quality bronze and stainless steel for ruggedness and reliability. This Pump has one moving part - a tough, long-lived, wear-resistant flexible impeller lubricated by the liquid being pumped. No metal-to-metal pumping action - no gears to jam, clog or become noisy. It will not air Lock - the pump will continue to operate even when air passes through the system, and it delivers a smooth even pulsation free flow. These pumps are designed to be fully serviceable and after long use can be restored to like new condition, avoiding complete pump replacement. The Temperature limits for the Neoprene impeller in this pump is 45 degrees F to 180 degrees F ( 7 degrees C to 82 degrees C). Pumping colder water than 45 degrees F will shorten the impeller life.
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Parts and Accessories for Onan model 132-0277
Applications
Typical Applications for the 1320277 pump are for Engine Cooling. This flexible impeller pump is selfpriming and therefore, it is ideal for engine cooling. The bronze body and stainless steel shaft are well suited for marine environments. Liquids that are compatible with the neoprene impeller can be pumped including fresh and salt water solutions and mild chemicals. Do not pump gasoline, severe solvents or acids. When possible flush pump with fresh water after each usage. NBR impellers can handle oil contaminated water and kerosene, although it will reduce impeller service life. Extremes of cold and heat will affect impeller life. Limits of 40 degrees F to 140 degrees F should be maintained. Do not allow liquid in pump to freeze, and when not in use for long periods of time you can drain pump by removing drain plug provided, located at bottom of pump body. Use methyl alcohol based antifreeze compounds such as Zerex, Shell Sone, Pyro Permanent, Permagard, Dowgard. This flexible impeller pump can operate in either rotational direction. It combines the priming feature of positive displacement type pumps with the general transfer ability of centrifugal pumps. It will pump either thin or viscous liquids and can handle more solids in suspension than other types of rotary pumps. It operates at low or high speeds can be mounted at any angle and pumps in either direction with equal efficiency. Direction of shaft rotation determines inlet and outlet ports. Prior to installation, rotate the pump manually in direction of rotation to set flexible blades in direction desired.