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Water Pump

Today, the water pump has become one of the most widely used equipment in construction, industry, and agriculture. In the following information, the capacity estimation method, models, brands, how to select, and the best prices of all types of water pumps are presented for wholesale purchase.

water pump selection

Water Pump Selection Guide

In general, the movement of water and other liquids in various industries is done by pumps. The water pump is responsible for the movement and provision of water-consuming water in water supply facilities, fire extinguishers, fountains, agriculture, and factories.

In order to do so, a water pump has to generate enough pressure for the required amount of water to flow to the consumption place.

The water pump is one of the diverse groups of engineering equipment as to size, motor speed, propeller material, body, function, and the place of installment. They vary from linear small ones to huge turbine water pumps.

water pump modelwater pump typewater pump supply

Water pump for apartments

Suppose there is a lack of water pressure inside your unit, in that case. In that case, you can easily choose the water pressure supply pump for your building by referring to the table included in the product selection guide of the "Pentax household water pump" section based on the number of floors and the number of units in your apartment. Take action (of course, according to the explanations in the same section, a diaphragm source, pressure switch, manometer, and five-way gear brass connection are also required for the operation of each pressure supply pump).

Type of building (residential) Required pump Necessary supplies
Three floors, 1 unit on each floor CM100 plate 24-liter source and automatic appliances
Three floors, 2 units on each floor CM160, CB160, MB150 50-liter source and automatic appliances
Three floors, 3 units on each floor CM160, CB160, MB150 50-liter source and automatic appliances
Four floors, 1 unit on each floor CAM 100 24-liter source and automatic appliances
Four floors, 2 units on each floor CM 210, CB 160, MB 200 60-liter source and automatic appliances
Four floors, 3 units on each floor CM 210, CB 210, MB 200 80-liter source and automatic appliances
Five floors, 1 unit on each floor PM 80, CAM 100 60-liter source and automatic appliances
Five floors, 2 units on each floor CB 160, CAB 150 100-liter source and automatic appliances
Five floors, 3 units on each floor CB 210, CAB 200 100-liter source and automatic appliances
Six floors, 1 unit on each floor PM 80, CB 160, CAB 150 60-liter source and automatic appliances
Six floors, 2 units on each floor CB 210, CAB 200 80-liter source and automatic appliances
Six floors, 3 units on each floor CAB 200, CB 210, U5-180 /6 100-liter source and automatic appliances
Six floors, 4 units on each floor PM 45, CBT 310, U7-300 /6 200-liter source and automatic appliances
One floor, 1 unit on each floor PM 45 24-liter source and automatic appliances
One floor, 2 units on each floor PM 45 24-liter source and automatic appliances
Two floors, 1 unit on each floor PM 45 24-liter source and automatic appliances
Two floors, 2 units on each floor PM 45 24-liter source and automatic appliances

Types of water pumps

In a general view, the types of water pumps and water supply can be divided into many categories, among them the following types in terms of the type of operation and also in terms of placement or use are mentioned:

  • Linear water pumps
  • Ground pumps
  • Floating pumps
  • Jet water pumps
  • Floor pumps
  • Skid pumps
  • Steel pumps
  • Sludge pumps
  • Double impeller water pumps
  • Centrifugal pumps
  • Plate water pumps
  • Booster pumps
  • Jockey pumps

The application and use of each of them are determined after studying the conditions in terms of water pressure supply, required water volume or flow rate, and even the concentration and size of possible suspended substances in the water, also based on the opinion of the facility engineer and relevant expert; e.g., booster pumps, which are used as booster pumps (in terms of flow rate and head), mainly include booster pumps for water supply and booster pumps for fire fighting.

Two points about water supply and fire pump booster

In booster water supply pumps, the jockey pump must supply small amounts of water with the head or pressure of the main pumps. But today, instead of using a Jockey pump, by installing a variable speed system or an inverter in the water supply pump booster, in addition to reducing electricity consumption and providing constant water pressure, they cause smooth start-up and prevent water hammer and electric shock. Also, in order to prevent the wear and tear of a pump in the water supply pump booster, the installation of an over in the steering circuit board makes it possible to start pumps with variable turns.

When choosing and ordering the water supply and fire pump booster required for the project, in addition to checking the required head and flow rate, the number of pumps, the motor power of electric pumps, the type of inverter (variable speed), Change Over (for water supply pumps), All booster pump equipment, such as the type of valves and connections, electrical panel parts and equipment, pressure switch, pipes and collectors, booster pump chassis, diaphragm tank type and capacity, etc., must be determined and announced by the buyer.

Pumpiran water pump

Buying a water pump

In order to buy a water and water supply pump, first specify its type. Water and water supply pumps are produced in different types, and their classification is determined based on flow rate (volume of water per unit of time) and water supply height. Other things that you need to consider when buying a water pump and water supply are the pump head and building height, checking the pump diagram, water flow rate, energy consumption, noise level, quality and reliability, etc.
In order to easily choose and buy a water pump and water supply, you must first determine the brand and required capacity. On the website of Damatajhiz HVAC Group, technical information of dozens of models of water pumps and water supply from reputable brands with original warranties has been presented so that you, dear ones, can enjoy the good feeling of optimal and smart shopping.

Also note that in the specialized HVAC group of Damatajhiz, all the water pumps are only sold in bulk. Therefore, if you want to wholesale any of these products, feel free to contact us.

The price of the water pump and water supply

A high percentage of types of water pumps and water supply, such as Pentax, Levara, Abara, etc., are Italian brands, and it is not possible to present all the price lists of these brands on this page. Therefore, it is suggested to check all types of water pumps and water supply at the best price for the best choice on the site.

Knowing that the price of water pumps and water supply is different according to the variety of models and brands available in the market, it should be noted that the prices offered on the Damatajhiz specialized website are up-to-date, and the discounts desired by consumers has been included in that prices for wholesale purchase. So that these prices also include the part guaranteeing the best prices on the Damatajhiz HVAC website.

General tips for installation and operation of water pump and water supply

Water suction from a lower level than the pump installation location may cause a vacuum and cavitation phenomenon in the pump impeller, besides reducing the pump efficiency.
The complete and horizontal alignment of all water pumps, water supply, linear, ground, jet, etc., is very effective in the durability of the pump because if the pump is not aligned, its moving and rotating parts will be out of balance during operation and causes serious problems for the pump.
It is necessary to install a filter in the suction pipe of all pumps and install a shock absorber in the inlet and outlet pipes of ground pumps and water supply pumps; also, it is necessary to install a gate valve (sluice valve) with a nut (or flange in larger sizes) in the return water pipe of all pumps; to make it possible to cut off the water flow in the pipe and remove the pump from its place for possible repairs.
In order to prevent the system water from returning to the pumps, it is necessary to install a one-way valve horizontally in the way of the water exiting from the pumps.

Dear user:

While thanking you for the trust you have in the technical opinions of Damatajhiz HVAC Group sales experts, it should be noted that the determination and selection of the desired product brand based on history, brand strength, service, and product price is ultimately determined by the buyer. But in water pumps and water supply, most of the users and buyers choose and buy best-selling brands such as Damatajhiz, Pumpiran, etc., according to their quality, price, and after-sales service.

If, after reading the above-presented info, you have more questions to decide on the purchase of water pumps and water supply, you can contact the heating equipment and engine room sales experts at extension numbers 107 - 108 - 121 - 122.

"Buy with confidence and peace of mind."

Business license
Trademark registration certificate - Stewardship business license from the Virtual Business Association - Business license from the heating and air conditioning equipment industry

Exhebition of facilities

The presence of Damatajhiz HVAC Group in international exhibitions of construction facilities and cooling and heating systems from 2014 to 2016

In addition to a valid business license from the Heating and Air Conditioning Trade Association, the Damatajhiz HVAC Group has an e-trust symbol. It launched its store site in 2013 in the head office of Tehran.

See more, choose better



Gal .(am.) = 3.785 Lit
1M³ = 1000 Lit
1M³ /hr. x 4.4 = 1 G.P.M
1M³ = 264.2 Gal. am
1G.P.M. x 0.2271 = 1 M³ /hr
1 M³ = 35.315 Ft.³
Atm.=14.7 P.S.I
10.331Water column height=1Atm

Damatajhiz HVAC contact

We are waiting for your call and look forward to meeting you in the specialized collection of Damatajhiz HVAC Group.

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