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5.4.7 Inspecting the steam installation
Use the following check list to ascertain that the steam installation was
performed correctly:
– Steam distribution pipe
Steam distributors (steam distribution pipe or MultiPipe steam distri-
bution system) correctly positioned and secured (screws tightened)?
Are the outlet orices at right angles to the air ow direction?
– Steam hose
Maximum length of 4 m?
Minimum bend radius of 300 mm (5 x internal diameter with xed
piping)?
Have the instructions for hose positioning been followed?
Steam hose: no sagging (condensate pocket) or condensate drain
with siphon (hose bend with a minimum diameter of 200 mm) installed
at the lowest point?
Rigid steam lines: properly insulated? Correct installation material
used? Minimum internal diameter maintained?
Steam hose(s) securely attached with clamps?
Heat expansion during operation and shortening of the hose with
ageing taken into consideration?
– Condensate hose
Downslope of at least 20 %?
Siphon (min. ø200 mm) existing and lled with water?
Condensate hose correctly xed and not kinked?
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