Properties Of Saturated Steam - Xylem Bell & Gossett Hoffman Speciality Series Engineering Data Manual

The Properties of Saturated Steam table
provides the relationship of temperature and
pressure. The table also provides Btu heat
values of steam and condensate at various
pressures and shows the specific volume of
steam at various pressures.
Saturated Steam:
Pure steam at the temperature corresponding
to the boiling point of water.
Pressure psig:
Gauge pressure expressed as Ibs./sq. in. The
pressure above that of atmosphere. It is pres-
sure indicated on an ordinary pressure gauge.
Sensible Heat:
Heat which only increases the temperature of
objects as opposed to latent heat. In the sat-
uration tables it is the Btu remaining in the
condensate at saturation temperature.
Latent Heat:
The amount of heat expressed in Btu required
to change 1 Ib. of water at saturation temper-
ature into 1 Ib. of steam. This same amount
of heat must be given off to condense 1 Ib. of
steam back into 1 Ib. of water. The heat value
is different for every pressure temperature
combination shown.
Total Heat:
The sum of the sensible heat in the conden-
sate and the latent heat. It is the total heat
above water at 32° F.
Specific Volume Cu. Ft. Per Lb.:
The volume of 1 Ib. of steam at the corre-
sponding pressure.
See Properties of Saturated Steam table on
the following page.
Properties of
Saturated
Steam
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