Question 1

For 8” pumps, what’s the power rating for the engine?

Accepted Answer

Our 8” AutoPrime Surface Pumps are typically equipped with 43–425 HP diesel engines, selected to deliver the required head and flow for your application.

Question 2

How often do we need to replace the oil filter &#038; fuel filter?

Accepted Answer

We recommend replacing both filters every 250 operating hours or as per the engine manufacturer’s instructions for optimal performance.

Question 3

What&#8217;s the time period of engine oil change?

Accepted Answer

Every 10 days or every 250 working hours whichever earlier.

Question 4

What are the engines you’re using?

Accepted Answer

We primarily use Kirloskar, Eicher, Cummins engines—trusted for their durability, fuel efficiency, and nationwide service support.

Question 5

Your pumps are of which size?

Accepted Answer

We can supply the pumps ranging from 4",6",8" and 12” sizes. Pls contact us for more details.

Question 6

How often we need to drain the auto prime tank?

Accepted Answer

You no need to drain the water from auto prime tank daily.

Question 7

What type of drive source is used in Auto-Prime/Self-prime pumps?

Accepted Answer

Our pumps are available with diesel engine or electric motor drives.

Question 8

What is Shut-off Head?

Accepted Answer

It is the maximum head at which the pump will shut to perform.

Question 9

What is Total Head?

Accepted Answer

The sum of the Suction Head and Discharge Head.

Question 10

What is Suction head?

Accepted Answer

Height between suction points of pump and water source level from where water is to be sucked.

Question 11

What are the customizations available in our Auto-Prime Pumps?

Accepted Answer

We offer custom options for:

 	Flow rate & head (up to 3,500 m³/hr & 150 m)
 	Material of construction (SS316, SS410, CI, or special alloys)
 	Mounting (skid, trolley)
 	Noise control (silenced canopy)
 	Real time monitoring (COSMOSMART remote monitoring)

Question 12

What is Auto-Priming or Self-Priming?

Accepted Answer

Auto-Priming pumps use a vacuum /diaphragm pump and priming tank unit to remove air from the suction pipe, allowing pumping to start automatically—even with suction lifts up to 8.5 m.

Question 13

What is Pump Priming?

Accepted Answer

Pump Priming is the process of removing air from the pump and suction line.

Question 14

What is Priming?

Accepted Answer

Priming simply means preparing or getting something ready for operation.

Question 15

What is a Auto-Prime Pump?

Accepted Answer

A Pump that runs on the surface adjacent to a water source, like Pond Water or a Well. Their nomenclature at Cosmos Pumps is - CAP.

Question 16

Where is your factory located?

Accepted Answer

Our factory is located at:
I-23, DLF Industrial Area, Phase-1, Sector 32, Faridabad, Haryana, India – 121003.

Question 17

Are you ISO certified?

Accepted Answer

Yes. Cosmos Pumps is ISO 9001:2015 certified, ensuring strict quality management practices.

Question 18

How will you carry out after-sales support?

Accepted Answer

We provide on-site servicing, remote technical assistance, genuine spare parts, and operator training to keep your pump running reliably.

Question 19

What’s the warranty for the pumps?

Accepted Answer

All Cosmos Pumps come with a 12-month warranty against manufacturing defects.

Question 20

Can I get more than 1000 m3/hr flow rate in any of your pumps?

Accepted Answer

Yes. Many of our AutoPrime models are capable of flows well above 1,000 m³/hr.

Question 21

What is the relation between Head and Flow?

Accepted Answer

As the head increases, flow decreases, and vice versa. Pumps are engineered to provide the best balance for the application.

Question 22

What is Pump Flow rate?

Accepted Answer

It’s the volume of liquid the pump moves per unit time, usually measured in m³/hr or GPM/LPM.

Question 23

What is Delivery Head?

Accepted Answer

The vertical distance from the pump’s centerline to the discharge point.

Question 24

What is Pump Head?

Accepted Answer

The total height the pump can lift liquid, including suction lift, delivery head, and system losses.

Question 25

Cosmos Pump manufactures which type of Pump?

Accepted Answer

We manufacture AutoPrime (Self-Priming) surface dewatering pumps, submersible pumps, and specialized solutions for mining, construction, flood control, and municipal needs.

Question 26

What type of water is removed in the process of dewatering?

Accepted Answer

We can handle clear water, floodwater, groundwater, stormwater, sewage, and slurry depending on the pump model.

Question 27

Cosmos Pumps manufactures both water-based and non-water-based pumps?

Accepted Answer

Yes. We produce pumps for water-based applications as well as industrial and process fluids.

Question 28

What is dewatering?

Accepted Answer

Dewatering is the process of removing unwanted water from a site—such as from excavations, mines, or flood-affected areas—to create a dry, workable environment.

Question 29

How often do we need to drain the Auto-Prime tank?

Accepted Answer

The Auto-Prime tank should be drained daily during continuous operation or after each job to maintain priming efficiency.

What is Shut-off Head?

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