Pump body:Cast iron
Impeller: Aluminium
Motor housing:Aluminium
Motor wire:copper
Front cover:cast iron
Mechanical seal: ceramic&graphite
Shaft:45#steel
Bearing:China
Insulation class:B
Protection class:IP 68
Performance chart at n=2900rpm
Working conditions
The pump can work properly and continuously under following operational conditions:
1. The pumps should be fully submerged into water with depth of less than 3m mad max. the pump should be min. 0.5m over the water bottom and not be insert into sludge.
2. Medium temperature shouldn't be over 40°C and PH should be 6.5-8.5.
3.Power frequency should be 50HZ,single phase voltage 220V,three phase voltage 380V,and voltage fluctuation should be 0.9-4.1 times than the rated.1. Medium is not corrosive,Sand contents should be max. 0.01% by volume and
granular size should be max. 0.2mm.
5. The pumps should be operated within rated head.