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Steam Trap Types

Mechanical

Use difference indensity between

steam andcondensate tooperate float to get

rid of steamcondensate

Thermodynamic

Steam (flash) flowoperates valve to get

rid of steamcondensate

Thermostatic

Sense temperaturechange of condensate

to get rid of steamcondensate

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.

Linkage

Ball

Seat

Thermodynamic steam

trap

Mechanical float type

steam trap

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.

.

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.

. .

.

.

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( )

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A LEAK!!!

Identifies leakingtraps and blowingtraps in open system.

Subjective

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( )

RETURN SYSTEM

Temperature based on

return line steam pressure

Only indicates a blockage

Indicates blowing

traps and lowtemperature traps

But cannot

quantify

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RETURN SYSTEM

ADJUST

Grades leakingtraps

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BLOCKED

5.6%WORKING

CORRECTLY

62.6%

LEAKING18.7%

INCORRECT

OPERATION13.1%

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1000

,

1000 5 $200/60 $16666

& 1000 10 $200/60 $33333

.

$50000

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/

/ .

$ 100000

/ 20% (200 ) $ 50000 $ 8 .

($150000/$50000) 3