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Overview of Garden Jet Water Pump
Working Principle
This series are self-priming centrifugal pumps, self-priming is achievede using an ejector, housed in the pump body. The total delivery produced by the closed centrifugal impeller is sent only partly to the delivery opening. The remaining water is recirculated through the ejector, which is connected to thr suction chamber and generates the necessary vacuum to self-prime the pump. When first starting the pump fill the pump body with water, without bothering to fill thr suction piping and eliminate air pockets. When the pump is started up the water in the pump body circulates through the ejector and transfers any air from the suction to the delivery charmber, expelling it through the delivery piping. At the same time the vacuum thus generated causes water to rise in the suction piping, thus self-priming the pump. Since the self-priming system operates continuously, these pump are practically unaffected even by the presence of large amounts of entrained air in the fluid being pumped. The series, based on past TAIFU experience , is designed with particular attention to hydraulic efficiency and choice of materials. The result is a compact, quiet, hight performance pump.
Pump Installation and Application
These pumps are suitable for pumping clean water or fluids which are not chemically aggressive to the pump components. The are extremely reliable, economical and simple to use, being particulary suitable for domestic applications such as the automatic distribution of water from small and medium-sized surge tanks, watering gardens, etc. These pumps should be installed in a covered area, protected against the weather N.B, it is always advisable to intall a foot value or non return value on the suction opening .
Performance
The wide range of pumps in the series satisfies the most varied requirement with features such as:
high heads with respect to power requirement;
flat operating and power absorption curves, giving moderate curve variations with respect to large variations in delivery demand;
high tolerance of the presence of entrained air in the fluid to be pumped;
suction capacity up to 9 meters.
Structural Characteristics
Plastic/stainless pump body with UNIISO 228/1 gas threaded suction and delivery openings.
Stainless steel pump boy cover serving also as mechanical seal housing.
Elector Unit
Centrifugal radial flow impeller in plastic or technopolymer on request.
Stainless steel motor shaft.
Ceramic and graphite mechanical seal.
Motor
The pumps are coupled directly to an asynchronous, high efficiency TAIFU induction motor of suitable size, which is quiet running , colsed and externally ventilated, suitable for continuous duty.
Insulation class B.
The thermal cutout relay (motor protector) is incorporated in single-phase motors.
Three phase motors require an adequate external motor protector, with connections according to current standards.
Protection IP 44
Brief introduction of garden jet water pump.
Keywords
Garden Jet Water Pump
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