IM-P795-04
CH Issue 4
5
16
2. General product information
2.1 Description
Spirax Sarco direct steam injection (SI) humidifiers are designed to inject dry steam into a
ducted air system in such a manner as to ensure efficient mixing of the steam and air, and to
raise the moisture content of the air stream with no condensate carryover.
Standard control options
Pneumatic
0.2 - 1.0 bar
(2.9 - 14.5 psi)
Electric
Valve motor drive;
230 V or 24 V
Electronic
0-10 V dc signal with 24 V power supply
2.2 Technical data
Separator body design conditions
PN6
Maximum operating pressure
4 bar g
(58 psi g)
Maximum operating temperature
152
°
C
(305
°
F)
Maximum recommended tracer circuit operating pressure
4 bar g
58 psi g)
Minimum recommended tracer circuit operating pressure
1 bar g
(14.5 psi g)
Note:
The assembly can be operated down to:
0.35 bar g
(5.07 psi g)
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Fig. 1 Typical arrangement of separator, valve, actuator (pneumatic), lance,
lance pre-heating, condensate trapping and auxiliary piping
16 =
Compression fitting
16
16
16
Lance
Separator
Steam trap
Alternative supply
