Tank Size Calculation.xls

Sizing of Diphragm Tank for H2K type System Pump Model

Set Pressure

Unit Flow M3/Hr 25% of Rated Flow On Off Band

Kg/Cm sq

Kg/Cmsq 6

75

18.75

0.5

Constant System

Nmax= Max K(0.7) Constant Factor Min Size of Proposed HP tank Starts Stop/Hr X No of Motors per system 100 0.7 250 7.5 1004

onstant System

200

Nmax= Max Starts Stop/Hr 3 kw 3 to 30 safe value

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ZILMET --Rated for 10 bar & 16 Bar Size pressure rating of tank= Shut off +10% Wellmate tanks rated for 7 Bar max

per motor

200 100 30

Sizing of Diphragm Tank for H1K type System Pump Model

Cut in Pressure

UNIT Flow M3/Hr Mean Flow M3/hr

Kg/Cm sq

On Off Band

Avarage of Max & Min Kg/Cmsq 6

75

37.5

1

Cascade System

Nmax= Max

K(0.9)

Constant

Factor

Size of Proposed HP tank

Starts Stop/Hr X No of Motors per system

ascade System

100

0.9

250

8

833

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