cast iron submersible pumps for sale

Cast Iron Submersible Pumps

Cast iron submersible pumps are traditional and classic submersible pumps, they are widely used by people both at home and abroad since invention, making great contributions to water drainage and supply. As one of the best submersible pump manufacturer, APK is always using mature technology to perfect the classic style and exerting to improve the performance of our pumps.

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Working Parameter

Flow Capacity: 10-700m³/h;

Head Range: 15-405m;

Well Diameter: φ50-200mm;

Temperature: -15-40℃;

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APK uses HT200 iron material as main casting material. HT200 is high strength cast iron material, excellent in hot water resistance , high damping and high wearable. Cast iron submersible pumps are widely used, most of them are used as submersible well water pump and submersible sewage pumps.


When used to pump clean water or well water, they are suitable for industrial, residential supply and drainage system, irrigation and mountain water diversion etc. For pumping sewage or waste water, they are usually used in waste water draining and sewage lift station etc.


Compared with other kinds, cast iron submersible pumps are more solid and durable. The iron outside can perfectly protect pump away from damaging, while others may easily erode or pollute water quality. Iron serves as a wall, keeping water away from pollution. On the other hand, no water can be leaked out because of the block of iron. They also have longer service life and are thus popular among people.

Besides, submersible pumps need dynamic power to pump water into its body. Iron cast pump produced by APK is able to strengthen such dynamic power. The strong dynamic power is, the higher head is, thus more water would be primed more smoothly.

submersible cast iron water pumps
submersible cast iron pumps

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Rusty Prevention of Cast Iron Submersible Pumps

As for normal cast iron submersible pumps, there is a common shortcoming. They are easily rusty. Of course, if you are want to totally avoid this phenomena, you could choose our stainless steel submersible pumps. But there are some ways to help pumps submersible slow its rusty.

Normally, if you are using domestic submersible pumps, you could paint some rusty resistance material or to polish the surface. Pump inside can be protected by two ways. The first is to use professional tools like rusty remover to help remove rusty; the other way is to use acid to wash inside, but this method may be harmful to pump.

submersible bore pumps
Submersible cast iron pumps for sale

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On account of this, APK always brush rusty resistance oil and varnish outside after producing. That’s why cast iron pumps from our company are not easily get rusty when compared with other pumps. Therefore, after buying pumps from APK, customers need only to clean it up and put it somewhere dry when it keeps unused for a long time.

Of course the best way is to check and maintain it regularly, so that the service life of pumps can be prolonged. APK promises to help check and repair your pump in a year for free, and also help maintain it if you need. Basic maintenance knowledge will be taught by our personnel.

Cast Iron Submersible Pump Specification

Modelflow rangeHead rangeMotor powerrotating speed

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Cast Iron vs. Stainless Steel Submersible Pumps

At present, submersible pumps can be divided into two branches according to their appearance, one is cast iron submersible pumps, the other is stainless steel submersible pumps.

Pumps covered by iron have great toughness and are high wearable. On the contrary, stainless steel cast pumps can well avoid the risk of being rusted when used for a long time, and they can better resist hot water and corrosion.

submersible bottom sunction pump
cast iron submersible pump

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As for appearance, cast iron submersible pumps can be painted into different colors to make a division, usually submersible water well pumps are painted blue and submersible sewage pumps black, so we could make clear about their sorts from appearance. However, stainless steel submersible pumps are normally silver gray, they are designed to be more good looking, simple and elegant. Both of them weight the same, so you could choose one of them or both for different needs.

cast iron water pumps for sale
submersible cast iron water pumps

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There are many cast iron water pump for sale now in our company, if you have the intention to buy or have any questions about our products and our company, please leave your message below, we will contact you as soon as possible.


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