Lowara CEA 370/3/P 104480270 [35/48] Maximum consumption for each delivery point

Single single single single single impeller impeller impeller impeller impeller centrifugal centrifugal centrifugal centrifugal centrifugal electric electric electric electric electric pumps pumps pumps pumps pumps 5

Cea cea n series cea cea n series cea cea n series cea cea n series cea cea n series list of models and t list of models and t list of models and t list of models and t list of models and table of ma able of ma able of ma able of ma able of materials terials terials terials terials 7

Cea n series t cea n series t cea n series t cea n series t cea n series table of ma able of ma able of ma able of ma able of materials terials terials terials terials 7

Cea series t cea series t cea series t cea series t cea series table of ma able of ma able of ma able of ma able of materials terials terials terials terials 7

Denominazione model serie cea 7

Materiali cea70 cea80 cea120 cea210 cea370 7

Materiali cea70n cea80n cea120n cea210n cea370n 7

2 3 4 5 8

B resin impregnated carbon p p nbr ff aisi 304 8

C special resin impregnated carbon e e epdm g g aisi 316 8

Cea cea n list of ma cea cea n list of ma cea cea n list of ma cea cea n list of ma cea cea n list of materials terials terials terials terials 8

Cea cea n mechanical seal according to en 12756 cea cea n mechanical seal according to en 12756 cea cea n mechanical seal according to en 12756 cea cea n mechanical seal according to en 12756 cea cea n mechanical seal according to en 12756 8

Cea mechanical seals cea mechanical seals cea mechanical seals cea mechanical seals cea mechanical seals 8

Cea n cea n cea n cea n cea n mechanical seals mechanical seals mechanical seals mechanical seals mechanical seals 8

E g g e g g 8

E g g g 10 110 8

Other types of mechanical seal other types of mechanical seal 8

Position 8

Position 1 2 position 3 position 4 5 8

Silicon carbide v fpm 8

Standard mechanical seal standard mechanical seal 8

Temperature 8

Tungsten carbide v ceramic 8

V b e g g b e g g v b e g g g 10 110 8

V c e g g c e g g v c e g g g 10 110 8

V c v g g c v g g v c v g g g 10 110 8

V g g g 10 110 8

V g g v g g 8

Cea cea n series cea cea n series cea cea n series cea cea n series cea cea n series electrical da electrical da electrical da electrical da electrical dattttta a a a a a a a a at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 9

Cea cea n series cea cea n series cea cea n series cea cea n series cea cea n series hydra hydra hydra hydra hydraulic performance t ulic performance t ulic performance t ulic performance t ulic performance table a able a able a able a able at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 9

Dati elettrici serie cea 2 poli 50 hz 9

Tabella di prestazioni idrauliche serie cea 2 poli 50 hz 9

Motori monofase per serie cea 50 hz 2 poli 10

Motori trifase cea 50 hz 2 poli 10

Motors for cea cea n series motors for cea cea n series motors for cea cea n series motors for cea cea n series motors for cea cea n series 10

Single phase motors a single phase motors a single phase motors a single phase motors a single phase motors at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 10

Three phase motors a three phase motors a three phase motors a three phase motors a three phase motors at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 10

A aa aav vv vvailable v ailable v ailable v ailable v ailable vol ol ol ol oltttttages ages ages ages ages motors for cea cea n series motors for cea cea n series motors for cea cea n series motors for cea cea n series motors for cea cea n series 11

Cea cea n series cea cea n series cea cea n series cea cea n series cea cea n series dimensions and weights a dimensions and weights a dimensions and weights a dimensions and weights a dimensions and weights at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 17

Dimensioni e pesi serie cea 2 poli 50 hz 17

Arket sectors arket sectors arket sectors arket sectors arket sectors 19

Ca ca n ca ca n ca ca n ca ca n ca ca n series series series series series 19

Civil agricultural industrial 19

M m m m 19

Twin twin twin twin twin impeller impeller impeller impeller impeller centrifugal centrifugal centrifugal centrifugal centrifugal electric electric electric electric electric pumps pumps pumps pumps pumps 19

Ca ca n series ca ca n series ca ca n series ca ca n series ca ca n series list of models and t list of models and t list of models and t list of models and t list of models and table of ma able of ma able of ma able of ma able of materials terials terials terials terials 21

Ca n series t ca n series t ca n series t ca n series t ca n series table of ma able of ma able of ma able of ma able of materials terials terials terials terials 21

Ca series t ca series t ca series t ca series t ca series table of ma able of ma able of ma able of ma able of materials terials terials terials terials 21

Denominazione model serie ca 21

Materiali ca70 ca120 ca200 21

Materiali ca70n ca120n ca200n 21

B resin impregnated carbon p p nbr ff aisi 304 22

C special resin impregnated carbon e e epdm g g aisi 316 22

Ca ca ca ca ca mechanical seals mechanical seals mechanical seals mechanical seals mechanical seals 22

Ca ca n list of ma ca ca n list of ma ca ca n list of ma ca ca n list of ma ca ca n list of materials terials terials terials terials 22

Ca ca n mechanical seal according to en 12756 ca ca n mechanical seal according to en 12756 ca ca n mechanical seal according to en 12756 ca ca n mechanical seal according to en 12756 ca ca n mechanical seal according to en 12756 22

Ca n ca n ca n ca n ca n mechanical seals mechanical seals mechanical seals mechanical seals mechanical seals 22

Position 1 2 position 3 position 4 5 22

Silicon carbide v fpm 22

Tungsten carbide v ceramic 22

Ca ca n series ca ca n series ca ca n series ca ca n series ca ca n series electrical da electrical da electrical da electrical da electrical dattttta a a a a a a a a at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 23

Ca ca n series ca ca n series ca ca n series ca ca n series ca ca n series hydra hydra hydra hydra hydraulic performance t ulic performance t ulic performance t ulic performance t ulic performance table a able a able a able a able at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 23

Dati elettrici serie ca 2 poli 50 hz 23

Prestazioni idrauliche serie ca 2 poli 50 hz 23

Motori monofase per serie ca 50 hz 2 poli 24

Motori trifase ca 50 hz 2 poli 24

Motors for ca ca n series motors for ca ca n series motors for ca ca n series motors for ca ca n series motors for ca ca n series 24

Single phase motors a single phase motors a single phase motors a single phase motors a single phase motors at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 24

Three phase motors a three phase motors a three phase motors a three phase motors a three phase motors at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 24

A aa aav vv vvailable v ailable v ailable v ailable v ailable vol ol ol ol oltttttages ages ages ages ages motors for ca ca n series motors for ca ca n series motors for ca ca n series motors for ca ca n series motors for ca ca n series 25

Ca ca n series ca ca n series ca ca n series ca ca n series ca ca n series dimensions and weights a dimensions and weights a dimensions and weights a dimensions and weights a dimensions and weights at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 30

Dimensioni e pesi serie ca 2 poli 50 hz 30

Typical applica typical applica typical applica typical applica typical applications cea and ca series electric pumps tions cea and ca series electric pumps tions cea and ca series electric pumps tions cea and ca series electric pumps tions cea and ca series electric pumps 32

Technical appendix technical appendix technical appendix technical appendix technical appendix 33

Technical appendix technical appendix technical appendix technical appendix technical appendix 34

Determination of the water requirement depends on the type of users and contemporaneity factor the calculation may be subject to regulations standards or customs that may vary from country to country the calculation method shown below is an example based on practical experience designed to provide a reference value and not a substi tute for detailed analytical calculation 35

Maximum consumption for each delivery point 35

Technical appendix technical appendix technical appendix technical appendix technical appendix 35

The consumption table shows the maximum values for each delivery point depending on the plumbing amenities 35

The sum of the water consumption values of each delivery point determines the maximum theoretical re quirement which must be reduced according to the contemporaneity coefficient because in actual fact the delivery points are never used all together 35

The table of water requirements in civil users shows the maximum contemporaneity flow rate values based on the number of apartments and the type of wc for apartments with one bathroom and two bath rooms as regards apartments with one bathroom 7 drawing points have been taken into consideration while 11 points have been considered for apartments with two bathrooms if the number of drawing points or apartments is different use the formulas to calculate the requirement 35

Water requirements in civil users 35

Water requirements in condominiums 35

Table of water requirements in civil users 36

Technical appendix technical appendix technical appendix technical appendix technical appendix 36

Technical appendix technical appendix technical appendix technical appendix technical appendix 37

Water requirements for community buildings 37

Npsh npsh npsh npsh npsh 38

Technical appendix technical appendix technical appendix technical appendix technical appendix 38

Technical appendix technical appendix technical appendix technical appendix technical appendix 39

Technical appendix vapour pressure ps vapour pressure and ρ density of water table 39

Flow rate nominal diameter in mm and inches 40

H l min 15 20 25 32 40 50 65 80 100 125 150 175 200 250 300 350 400 1 2 3 4 1 1 1 4 1 1 2 2 2 1 2 3 4 5 6 7 8 10 12 14 16 40

Hr flow resistance for 100m of straight pipeline m v water speed m s 40

Table of flow resistance in 100 m of straight cast iron pipeline hazen williams formula c 100 40

Technical appendix technical appendix technical appendix technical appendix technical appendix 40

Flow resistance 41

Table of flow resistance in bends valves and gates 41

Technical appendix technical appendix technical appendix technical appendix technical appendix 41

The flow resistance is calculated using the equivalent pipeline length method according to the table below 41

The table is valid for the hazen williams coefficient c 100 cast iron pipework for steel pipework multiply the values by 1 1 for stainless steel copper and coated cast iron pipework multiply the values by 1 5 when the equivalent pipeline length has been determined the flow resistance is obtained from the table of flow resistance the values given are guideline values which are bound to vary slightly according to the model especially for gate valves and non return valves for which it is a good idea to check the values supplied by the manufacturers 41

Leng leng leng leng length th th th th 42

Length length 42

Pres pres pres pres pressure and head sure and head sure and head sure and head sure and head 42

Pressure and head pressure and head 42

Technical appendix technical appendix technical appendix technical appendix technical appendix 42

V vv vvol ol ol ol olume ume ume ume ume 42

V vv vvol ol ol ol olumetric cap umetric cap umetric cap umetric cap umetric capacity acity acity acity acity 42

Volume volume 42

Volumetric capacity volumetric capacity 42

Further product selection and document further product selection and document further product selection and document further product selection and document further product selection and documenta aa aation tion tion tion tion 43

Technical appendix technical appendix technical appendix technical appendix technical appendix 43

Xylect xylect xylect xylect xylect 43

Lowara CEA 370/3/P 104480270 [35/48] Maximum consumption for each delivery point

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