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Zhejiang Daming Mechanical&Electrical Co.,Ltd
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 Click to enlarge image
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 Model Number |
QDX1.5-17-0.37 |
PERFORMANCE RANGE
power:370w,550w,750w
flow rate up to 330 I/min.(25 m3/h)
head up to 32 m
OPERATING LIMITS
maximum operating depth 5 m below water level
maximum passgae for suspended solids 2 mm
maximum fluid temperature 40°C
PH value in water: 6.5-8.0
WORKING PRINCIPLE
SA pumps are half open impeller centrifugal submersible pumps,designed for automatic and non-automatic use. The impeller,mounted on the end of the drive shaft,consists of a rear disk and blades,which are enclosed by the pump body cover. Fluid enters the rotating blade channel via the suction strainer,which forms the support base for the pump. Here the fluid moves radially from the centre outwards,acquiring energy both in the form of pressure and increased speed. When it leaves the impeller the fluid is conveyed towards the volute. Here part of the kinetic energy is transformed into pressure energy and the fluid leaves the pump via the side opening machined in the pump body.
pump installation and applications
As portable electric drainage & irrigation devices,SA series single-phase
vertical submersible pumps with lower water input are widely suitable
for water cluster boxes,farmland,industrial & mining
enterprises,construction sites,ship and family,and characterized by less
volume,light weight and convenient operation etc.(the pump is fitted
with a floating switch,so it is possible to achieve the automatic control
of start-stop action under no one抯 care.)single-phase capacitor-
running asynchronous or 3-phase asynchronous motor is equipped in
this pump and installed with a built-in thermal protector,and can be
automatically cut-off in the case of overheat or overcurrent,thus
assuring safe and reliable running under worse circumstances.
structural characteristic
aluminum pump body
stainless steel mechanical seal (graphite to ceramic or SiC to gr
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