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Kordis pumps: cantilevered and close-coupled cantilevered for water supply engineering

  • Series description
  • Technical characteristics
  • Downloads
  • Related content
  • Overhung
  • Close coupled overhung
  • Metallurgy, mining
  • Firefighting
  • Water supply
  • Circulation
  • Boiler water
  • Chemically active
  • Clear water
  • Waste water
  • Hot water

Function

«Kordis» pumps - are the centrifugal machines:

  • cantilevered pumps – are listed as pumps of K type, 
  • close-coupled cantilevered pumps – are listed as pumps of КМ type, 
  • close-coupled cantilevered pumps with in-line branch pipes - are listed as pumps of KL type
and electric pump units on their base are intended for pumping service water, as well as other liquids similar to water in density, viscosity, chemical activity with hydrogen value (рН) of 6…9, at a temperature ranging from 0 up to plus 120 °С, with a content of solid inclusions not exceeding 0,1 %, by mass and not more than 0,2 mm in size.


Design

конструктивы Кодиса.jpg

Application

  • facilities for supply and recirculation of service water
  • fire-fighting water distribution systems of ring-type  
  • integral systems for water & heat supply of the administration and amenity buildings and utilities
  • facilities  for discharge of purified wastewater


Features /Advantages

 kordis_5.jpg  рис1.jpg  рис2.jpg
 рис3.jpg  рис4.jpg


1. Flanges can be fabricated in compliance with the standards GOST, ISO, DIN, ASME;

The construction design of the branch pipes and flanges is rated at working pressure of up to 25 kgf /сm2 for the pumps of cantilevered and close-coupled modification, and up to 16 kgf /сm2 for the pumps of cantilevered, close-coupled modification of in-line arrangement of branch pipes.

2. Significant range of available standard sizes of the pump and technical feasibility of impeller cutting allow us to select the pump in a strict correspondence with technical requirements of the hydraulic system of the Customer.

3. Dynamically balanced impeller of closed type ensure low values of vibroactivity of the pump rotor: thus reducing service costs and saving the energy.

4. The replaceable rings of groove seals made out of up-to-date wear-resistant materials with special anti-scratch coating make it possible to diminish dynamic loads onto the rotor and pump supports and to prolong the service lifetime of the bearings and seals (Fig. 1).

5. The seal chamber allows to accommodate not only gland seals but also single end-face seals including those ones of the cartridge type (Fig. 2).

6. Impeller has been relieved against axial forces with the help of special relief holes on the rear disk of the impeller in order to decrease the load applied onto the bearings and to extend their service life (Fig. 3).

7. Energy-effective hydraulics of the flow passage has been optimized thanks to modern computer-aided design methods: thus ensuring high level of efficiency.

8. The construction design of the pump which provides for the removable rotor portion and detachable bracket of the bearing unit, make it possible to perform technical maintenance without dismantling the pump casing and inlet pipelines.

9. The shaft of rigid construction with enhanced bending strength ensure minimum values of vibration and run-out for the purpose of extending the life of the seal and bearings (Fig. 4).

10. Standard or reinforced (with service life of 100 000 hours minimum) bearings with lubrication in oil vat, including the cooling system (as an option).

The high level of unification of the main subunits of the pumps of various standard sizes and modifications significantly simplifies their technical maintenance. 

The wide range of material versions allows application of the pumps for different media, including aggressive ones.

Technical parameters

Pump models Head, m Pump power input (nomin.), kW Rotation speed, rpm Pump efficiency,% Admissible positive suction head, m, max
K(KM) 50-32-125.1/… 19 1.6 2900 60 2.6
K(KM) 50-32-160.1/… 29 3.2 2900 54 2.6
K(KM) 50-32-200.1/… 47 5.1 2900 43 1.6
K(KM) 50-32-250.1/… 78 10.3 2900 35 1.6
K(KM) 50-32-125/… 23 2.3 2900 70 1
K(KM) 50-32-160/… 32 3.4 2900 64 2
K(KM) 50-32-200/… 54 7.2 2900 59 2.8
K(KM) 50-32-250/… 86 12.9 2900 48 2
K(KM) 65-40-125/… 21.5 3.5 2900 75 2.2
K(KM) 65-40-160/… 37.5 6.5 2900 78 2.2
K(KM) 65-40-200/… 56 9.6 2900 69 2.7
K(KM) 65-40-250/… 80 18.3 2900 60 2.6
K(KM) 65-50-125/… 20 5.8 2900 80 4
K(KM) 65-50-160/… 35 10.3 2900 80.5 3.5
K(KM) 65-50-200/… 59 17.6 2900 74 3.5
K(KM) 65-50-250/… 86 25.1 2900 69 3.5
K(KM) 80-65-125/… 20 8.21 2900 83 4
K(KM) 80-65-160/… 34 13.4 2900 83 4.5
K(KM) 80-65-200/… 58 24.1 2900 80 3.6
K(KM) 80-65-250/… 35 15.6 2900 76 4.5
K(KM) 100-80-160/… 30 21.2 2900 85 6.5
K(KM) 100-80-200/… 57 37.4 2900 83 5.5
K(KM) 100-80-250/… 89 63.6 2900 80 5.5
K(KM) 125-100-160/… 31 30.1 2900 82 6.2
K(KM) 125-100-200/… 54 53.3 2900 85 6.1
K(KM) 125-100-250/… 82 79.4 2900 83 6.4
K(KM) 150-125-200/… 53 82.1 2900 88 10
K(KM) 50-32-125.1/… 5 0.2 1500 60 0.5
K(KM) 50-32-160.1/… 9 0.3 1500 58 0.7
K(KM) 50-32-200.1/… 12 0.5 1500 48 0.8
K(KM) 50-32-250.1/… 19 1.2 1500 36 0.6
K(KM) 50-32-125/… 13.5 0.3 1500 67 0.7
K(KM) 50-32-160/… 12 0.4 1500 60 0.8
K(KM) 50-32-200/… 13 0.9 1500 57 1
K(KM) 50-32-250/… 21 1.6 1500 46 0.7
K(KM) 65-40-125/… 5 0.4 1500 74.5 1.5
K(KM) 65-40-160/… 9 0.8 1500 76 1.1
K(KM) 65-40-200/… 13 1.3 1500 67 1.5
K(KM) 65-40-250/… 20 2.4 1500 58 0.9
K(KM) 65-40-315/… 35 4.9 1500 51 2.1
K(KM) 65-50-125/… 5 0.7 1500 80 1.2
K(KM) 65-50-160/… 9 1.3 1500 80.5 1.3
K(KM) 65-50-200/… 14 2.1 1500 74 1.3
K(KM) 65-50-250/… 21 3.3 1500 69 1.2
K(KM) 65-50-315/… 32 6.5 1500 61.5 1.3
K(KM) 80-65-125/… 5 1 1500 83 1.3
K(KM) 80-65-160/… 8 1.6 1500 83 1.4
K(KM) 80-65-200/… 15 3.1 1500 80 1.6
K(KM) 80-65-250/… 20 4.4 1500 76 1.5
K(KM) 80-65-315/… 33 10 1500 74 1.5
K(KM) 100-80-160/… 8 2.8 1500 86 1.9
K(KM) 100-80-200/… 14 4.6 1500 83.5 1.2
K(KM) 100-80-250/… 22 7.4 1500 80.5 1.2
K(KM) 100-80-315/… 36 16.7 1500 77 1.5
K(KM) 100-80-400/… 49 25.8 1500 72 2
K(KM) 125-100-160/… 8 3.9 1500 82 2.8
K(KM) 125-100-200/… 13 6.3 1500 85.5 1.8
K(KM) 125-100-250/… 22.5 11.1 1500 84 1.7
K(KM) 125-100-315/… 34.5 21.6 1500 81 1.8
K(KM) 125-100-400/… 52 33.6 1500 75 1.9
K(KM) 150-125-200/… 15 10 1500 86 2.3
K(KM) 150-125-250/… 21 17 1500 85 1.8
K(KM) 150-125-315/… 36 28.6 1500 82 1.9
K(KM) 150-125-400/… 55 56.1 1500 81 2.7
K(KM) 200-150-200/… 10 11.7 1500 86.5 3
K(KM) 200-150-250/… 18 24.3 1500 88 3.4
K(KM) 200-150-315/… 31.5 42.7 1500 86.5 2.7
K(KM) 200-150-400/… 53 74.9 1500 85 2.8
K(KM) 200-150-500.1/… 78 109.7 1500 81 2.8
KL 32-32-160/… 29 3.1 2900 54 5.5
KL 32-32-200/… 48 9.5 2900 55 11.8
KL 40-40-160/… 28 3.8 2900 56 3.8
KL 40-40-250/… 76 17.3 2900 55 9
KL 50-50-160/… 35.5 6.9 2900 68 6.9
KL 50-50-250/… 75.2 24.6 2900 63 12.2
KL 65-65-160/… 33 9.4 2900 73 6
KL 65-65-250/… 75.5 31.5 2900 74 11.2
KL 80-80-160/… 33.5 13.1 2900 75 6.8
KL 80-80-210/… 60 26.7 2900 79 5
KL 100-100-125/… 18 7.4 2900 79 5.7
KL 100-100-160/… 35.5 12.1 2900 78 3.5
KL 100-100-170/… 30.5 19.5 2900 79 7.7
KL 125-125-160/… 26.5 24.1 2900 77 7.2
KL 32-32-160/… 7.5 0.5 1500 52 1.6
KL 32-32-200/… 12 1 1500 50 2.2
KL 40-40-160/… 7 0.5 1500 54 1.1
KL 40-40-250/… 18.5 2.2 1500 53 2.3
KL 50-50-160/… 8.5 0.8 1500 66 1.5
KL 50-50-250/… 19.5 2.6 1500 57 1.6
KL 65-65-160/… 8.5 1.2 1500 71 1.6
KL 65-65-250/… 19.5 3.6 1500 72 2
KL 80-80-160/… 8 1.9 1500 73 4.1
KL 80-80-210/… 15 3.4 1500 79 1.4
KL 80-80-250/… 19.5 4.9 1500 69 1.7
KL 100-100-125/… 5 1 1500 74 2.3
KL 100-100-160/… 8.5 1.6 1500 77 2
KL 100-100-170/… 8 2.6 1500 76 2.2
KL 100-100-200/… 14 4.9 1500 78 2.2
KL 100-100-250/… 21 8.2 1500 75 2.1
KL 125-125-160/… 7.5 3.6 1500 76 3.7
KL 125-125-200/… 14 7.3 1500 81 1.6
KL 125-125-250/… 21 10.4 1500 80 1.7
KL 150-150-200/… 13 10.7 1500 83 3
KL 150-150-250/… 19 17.5 1500 83 2.4
KL 200-200-250/… 17 25.4 1500 83 3.5
KL 200-200-315/… 30.5 42.4 1500 81 3.5
KL 150-200-500/… 78 103.2 1500 78 2.9
KL 200-250-330/… 26 54.8 1500 84 5.8
KL 200-250-400/… 47 85.3 1500 84 4.1
KL 200-250-500/… 83 163.4 1500 83 4
KL 250-250-250/… 10.5 162 1500 78 5.6
KL 250-250-260/… 15 24.7 1500 81 6.5
KL 250-300-300/… 14 39.1 1500 78 8.3
KL 250-300-330/… 25 64.1 1500 85 7
KL 250-300-400/… 43.5 126.6 1500 86 5.5
KL 250-300-500/… 76 238.6 1500 85 5.7
KL 300-300-360/… 30 128.5 1500 82 8
KL 300-350-400/… 49 204.1 1500 85 8.6
KL 300-350-500/… 80 322.9 1500 83 6.3
KL 350-350-340/… 16 67.2 1500 81 10.2

Pump type key

For example: K  -  (-N) - 150 - 125 – 250 (-.1) / 269 – 220  / 4 – XXX  , where:

  • К – is the type of the pump:

К      - is the horizontal, cantilevered  pump with casing mounted support
КМ  – is the horizontal close-coupled cantilevered pump with casing mounted  support
KL   – is the vertical close-coupled cantilevered pump with in-line branch pipes
  •  (-N) – aggregated modification
  • 150 – Nominal (DN) diameter of the suction branch pipe (DN)
  • 125 – Nominal (DN) diameter of the delivery branch pipe (DN)
  • 250 – Nominal (DN) diameter of the impeller (mm)
  • (-.1) – reduced capacity
  • 269 – Actual diameter of the impeller (mm)
  • 220 – Rated power of the motor (кW х 10)
  • 4 – Number of motor poles
  • ХХХ – Design (embodiment)