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MINOR LOSSES Sambungan Pipa (fittings): Flow through run Flow through branch Return bend 45 o elbow 90 o elbow 45 o street elbow 90 o street elbow 90 o long radius elbow Katup (valves): Globe valve Gate valve Butterfly valve Angle valve Foot valve Ball valve Check valve Enlargement : Sudden enlargement Gradual enlargement Contraction : Sudden constraction Gradual constraction Exit loss Entrance loss T e 2 L f D L K g 2 V K h K = koefisien tahanan (resistance coefficient) L e = Panjang ekivalen f T = faktor gesekan pada turbulen penuh

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Page 1: MINOR LOSSES Sambungan Pipa (fittings): Flow through run Flow through branch Return bend 45 o elbow 90 o elbow 45 o street elbow 90 o street elbow 90 o

MINOR LOSSES

Sambungan Pipa (fittings):Flow through runFlow through branchReturn bend45o elbow90o elbow45o street elbow90o street elbow90o long radius elbow

Katup (valves): Globe valveGate valveButterfly valveAngle valveFoot valveBall valveCheck valve

Enlargement :

Sudden enlargement

Gradual enlargement

Contraction :

Sudden constraction

Gradual constraction

Exit loss

Entrance loss

Te

2

L

fD

LK

g2

VKh

K = koefisien tahanan (resistance coefficient)

Le = Panjang ekivalen

fT = faktor gesekan pada turbulen penuh

Page 2: MINOR LOSSES Sambungan Pipa (fittings): Flow through run Flow through branch Return bend 45 o elbow 90 o elbow 45 o street elbow 90 o street elbow 90 o

Sudden Enlargement

Grafik/Tabels

m12V

D

D1K

s

m12V

g2

VKh

2

2

1

2

L

Page 3: MINOR LOSSES Sambungan Pipa (fittings): Flow through run Flow through branch Return bend 45 o elbow 90 o elbow 45 o street elbow 90 o street elbow 90 o

Gradual Enlargement

Page 4: MINOR LOSSES Sambungan Pipa (fittings): Flow through run Flow through branch Return bend 45 o elbow 90 o elbow 45 o street elbow 90 o street elbow 90 o

Sudden Construction

Page 5: MINOR LOSSES Sambungan Pipa (fittings): Flow through run Flow through branch Return bend 45 o elbow 90 o elbow 45 o street elbow 90 o street elbow 90 o

Gradual Construction

Page 6: MINOR LOSSES Sambungan Pipa (fittings): Flow through run Flow through branch Return bend 45 o elbow 90 o elbow 45 o street elbow 90 o street elbow 90 o

Entrance Loss

Exit Loss

g2

Vh0.1K

2

L

Page 7: MINOR LOSSES Sambungan Pipa (fittings): Flow through run Flow through branch Return bend 45 o elbow 90 o elbow 45 o street elbow 90 o street elbow 90 o

Globe Valve Gate Valve Butterfly Valve

Ball Valve Angle Valve Check Valve

Page 8: MINOR LOSSES Sambungan Pipa (fittings): Flow through run Flow through branch Return bend 45 o elbow 90 o elbow 45 o street elbow 90 o street elbow 90 o

Foot Valve Poopet disk

Foot Valve Hinged disk

Page 9: MINOR LOSSES Sambungan Pipa (fittings): Flow through run Flow through branch Return bend 45 o elbow 90 o elbow 45 o street elbow 90 o street elbow 90 o

Fitting

Page 10: MINOR LOSSES Sambungan Pipa (fittings): Flow through run Flow through branch Return bend 45 o elbow 90 o elbow 45 o street elbow 90 o street elbow 90 o
Page 11: MINOR LOSSES Sambungan Pipa (fittings): Flow through run Flow through branch Return bend 45 o elbow 90 o elbow 45 o street elbow 90 o street elbow 90 o
Page 12: MINOR LOSSES Sambungan Pipa (fittings): Flow through run Flow through branch Return bend 45 o elbow 90 o elbow 45 o street elbow 90 o street elbow 90 o

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