CAUTION
Danger of injury from bursting as a result of high pressure in the exhaust line
Faulty or short exhaust lines cause hazardous situations, e.g. exhaust pressure increase. There is a
danger of bursting. Injuries caused by flying fragments, the escaping of high pressure, and damage
to the unit cannot be excluded.
► Open shut-off units immediately before or at the same time as starting the pump.
► Observe the maximum permissible pressure of 1,500 hPa (absolute).
► Observe the permissible pressures and pressure differentials for the product.
► Check the function of the exhaust line on a regular basis.
NOTICE
Malfunction and damage to the pump from improper exhaust line installation
Negative pressure in the exhaust line causes malfunctions and damage to the pump. Negative pres-
sure is permitted only in pumps with magnetic coupling.
► When dissipating gases, make sure that the exhaust pressure is at least 250 hPa higher than the
intake pressure.
1
3
2
4
2
Fig. 8:
Connecting the exhaust side
1
Protective cap
3
Exhaust line
2
Centering ring with O-ring
4
Circlip
Connecting the exhaust side
1. Remove the protective cap from the exhaust flange.
2. Install the centering ring on the flange.
3. Route the piping downwards from the pump, to prevent condensate return.
4. Choose a minimum exhaust line cross section equal to the nominal diameter of the connection
flange.
5. Depending on the pump type, use metallic hoses or PVC hoses with flange connections.
6. Support the piping to the pump by propping or hanging, so that no piping system forces act on the
pump.
7. Connect both flanges with a suitable circlip.
1. Install a condensate separator in the exhaust line if necessary.
2. Use the lowest exhaust line point for the condensate drain.
Installation
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Содержание DUO 35
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