Flowserve PA46 Manual do Utilizador descarregar pdf (Página 10)

Fig. 1

Technical Data  continued 

Capacity chart PA 46, PA 47, MPA 46, MPA 47

Calculation of the amount of boiler water to be discharged

according to the following formula:

A =

Q · S

K – S

Conductivity of

feedwater: S [µS/cm]

Admissible conductivity

of boiler water: K [µS/cm]

Boiler capacity: Q [kg/h]

Amount of boiler water

to be discharged: A [kg/h]

Example

Conductivity of

feedwater: S = 20 µS/cm

Admissible conductivity

of boiler water: K = 4000 µS/cm

Boiler capacity: Q = 2000 kg/h

Amount of boiler water

to be discharged: A ≈ 10 kg/h

How to read chart ﬁg. 1

Boiler pressure: 25 bar

Nominal size of intermittent valve for removing boiler

sludge DN 32

Capacity: 2.5 kg/s

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 31 32

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Flowserve PA46 Manual do Utilizador Página 10