Valid untillong term effective | Latest update2013-01-15 15:15 |
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submersible pumps
Supply:submersible pumps|submersible motor pumps☆Fujian GlongElectric
WORKING PRINCIPLE QDX type submersible motor pumps is mainly composed by three parts: pumps, mechanical seal and motor. Pumps is at the bottom part of motor pumps, which adopt centrifugal impeller. Motor is at the upper part of motor pump and is a single-phase asynchronous motor or three-phase motor. Mechanical seal is between pump and motor, and it`s a kind of double end mechanical seal, "O" rings are applied in all static joints of the submersible pump. Inner-installed protector prevents the pump from damages due to abnormal power, clog and overload etc.
MATERIAL AND WORKING LIMITS
Pump body: Cast iron
Motor body: Aluminium
Impeller: Cast iron/Aluminium
Mechanical seal: Stainless steel/Carbon-ceramic
Shaft: 45steel or stainless iron
Bearing: SKF/NTN/NSK/China
Insulation class: B/F
Protection class: IP68