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MINOR LOSSES

Sambungan Pipa (fittings):

Flow through run

Flow through branchReturn bend

45o elbow

90o elbow

45o street elbow

90o street elbow

90o long radius elbow

Katup (valves): 

Globe ale

Gate ale

!utter"l# ale

 $ngle ale

Foot ale

!all ale

%hec& ale

Enlargement :

Sudden enlarge'ent

Gradual enlarge'ent

Contraction :

Sudden constraction

Gradual constraction

Exit loss

Entrance loss

T

e

2

L

f D

LK 

g2

VK h

=

= ( ) &oe"isien tahanan *resistance coefficient +

Le ) ,an-ang e&ialen

" . ) "a&tor gese&an /ada turbulen /enuh

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Sudden Enlarge'ent

Grafik /Tabel

s

m12V

D

D1K 

s

m12V

g2

VK h

2

2

1

2

L

→≠

   

  

 −=→≈

=

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Gradual Enlarge'ent

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Sudden %onstruction

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Gradual %onstruction

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Entrance Loss

Eit Loss

g2

Vh0.1K 

2

L   =→=

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Globe 1ale Gate 1ale !utter"l# 1ale

!all 1ale $ngle 1ale %hec& 1ale

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Foot 1ale ,oo/et dis&

Foot 1ale 2inged dis&

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Fitting

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(e&asaran /ada berbagai -enis /i/a