IS ISR End Suction Pump
IS Series are single-stage and single-suction centrifugal pumps. They are intended for supplying clean water or liquid with similar physical and chemical properties as that of water at a temperature up to 80℃. The main fields of application of IS pump are in factories, cities, farm irrigation, etc. Type ISR pump is a product of high efficiency and low consumption. The performance parameters of ISR pump are equivalent to that of IS type pumps. It is suitable for transporting liquid with temperature less than 130℃.
The main parts of type IS pump included: pump casing, impeller, cover, pump shaft etc. The inlet is in the line of pump shaft and outlet is vertical. The pump use flexible coupling to transmit energy. The pump shaft is supported by two single row radial ball bearings
Pump casing, cover, and suspended frame are made of cast iron. The pump body is composed of double-headed bolts, pump cover and suspension and formed into an integral part with inlet and outlet.
The impeller is also made of casting iron, with curved vane inside. Water enters the pump from only one side of the pump. The holes in the hub are used to keep the axial force. However, the impeller with less axial force doesn't need the holes, which is supported by bearing.
The shaft is made of high quality carbon steel, protected by shaft sleeve fitted closely to impeller. It should be replaced immediately when there is some wear and tear. The shaft steering appears to be counterclockwise, observed from the inlet.
Assemblage of bearing is made of casting iron. One end is fixed to the cover, the other end is fitted with flexible coupling. Inside the assemblage of bearing, there is lubrication oil room with indicator.
Filling acts as seal, avoiding air entering and amount of liquid leaking out. The tightness of the filling should be in the right way, not too tight and not too loose, usually 10- 30 drops every minute. The cavity size of packing is also suitable for installation of mechanical seals.
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