HEAD CALCULATION FOR CHILLED WATER PUMP

PROJECT AIRPORT SERVICE BUILDING

CHILLED WATER PIPES

RMT FT

125 53.5 175.48 2.5 4.387

9 8.2 73.8 2.5 1.845

2 12 24 2.5 0.6

RMT FT

100 38 124.64 2.2 2.74208

3 6.7 20.1 2.2 0.4422

2 9 18 2.2 0.396

RMT FT

80 9 29.52 2.1 0.61992

0 6.7 0 2.1 0

RMT FT

40 9 29.52 1.4 0.41328

0 5.9 0 1.4 0

RMT FT

LOSS IN PUMP REDUCER 0.29 FT

Pipe dia(mm)

Pressure Drop

(ft/100Ft)

total drop(ft)

No of bend (ELF-8.2FT)No of Tees(ELF-12FT)

Pipe dia(mm)

Pressure Drop

(ft/100Ft)

total drop(ft)

No of bend(ELF-6.7FT)No of Tees(ELF-9FT)

Pipe dia(mm)

Pressure Drop

(ft/100Ft)

total drop(ft)

No of bend(ELF-5.9FT)

Pipe dia(mm)

Pressure Drop

(ft/100Ft)

total drop(ft)

No of bend(ELF-5.9FT)

Pipe dia(mm)

Pressure Drop

(ft/100Ft)

total drop(ft)

IN-LINE REDUCER LOSS(EXPANSION) 0.29 FT

IN-LINE REDUCER LOSS(CONTRACTION) 0.2 FT

LOSS IN FLOW METER FT

Total Pressure drop in pipes (feet) 12.23

CHILLED WATER VALVESPUMPS

QTY

NRV 100 40 1 2.2 0.88

balancing valve 100 58 0 2.2 0

Y strainer 100 60 1 2.2 1.32

butterfly valve 100 4.5 2 2.2 0.198

CHILLER

QTY

MBY 100 4.5 1 2.2 0.099

balancing valve 100 58 1 2.2 1.276

Y strainer 100 60 1 2.2 1.32

butterfly valve 100 4.5 1 2.2 0.099

AHU

QTY

50 1 13.12 13.12

balancing valve 50 30 0 2.2 0

Y strainer 50 27 1 3.6 0.972

butterfly valve 50 2.3 2 3.6 0.1656

Total Pressure drop in Valves 19.4 feetTotal Pressure drop in Pipe length+Fittings+Valves+Flow meter 31.68 feet

Total

11.59 2.794 0.34 14.26 28.98 MTR

Dia(mm)

Equ.leng-th

in Feet

Pressure Drop

(ft/100Ft)

Total Drop(ft)

Dia(mm)

Equ.leng-th

in Feet

Pressure Drop

(ft/100Ft)

Total Drop(ft)

Dia(mm)

Equ.leng-th

in Feet

Pressure Drop

(ft/100Ft)

Total Drop(ft)

P BALANCING + 2WAY

Pipes, Bend,valve Loss(mt)

CHILLER(mt)

AIR SEPARATOR(

mt)AHU(mt)