EN | Operating manual Appendix: Technical Documents
WVM 45 -1450 51
Note on load cycle calculation:
According to the EC pressure equipment directive the dryers are rated for
14,000 load cycles. This corresponds to a service life of approx. 20 years when
operated in the fi xed cycle of 6 hours (12 h total cycle time). 1 load cycle corre-
sponds to the change from the unpressurised state to operating pressure.
When the pressure vessels are approved according to other regulations, these
cyclic loading calculations may not be valid.
Typ WVM 45 – WVM 1450
Fluid class (according to PED) 2
Supply voltage see type plate
Protection class IP54
min max
Operating overpressure (bar) see type plate
Ambient temperature (°C) 1 50
Max. intake temperature for regeneration air (°C)
(please heed the table below that relates the moisture of the intake
air to the temperature)
140
Max. dust contents of the regeneration air (mg/m)* - 50
Noise level : +3 dB (A) related to free- eld measurement, 1 m
surrounding eld db(A)
75 90
* Note: Provide for an appropriate Sieve when the regeneration air taken in
has a higher dust load. Contact the manufacturer in this case!
Regeneration air – maximum relative humidity at defi ned intake temperature
max. rel. humidity (%) at intake temperature (°C)
90 20
70 25
50 30
37 35
25 40
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