User manual in Original
Doc. ref: 500V_BAS_am_en_210524
DISPERATOR AB
Tel: 08-724 0160
E-mail: [email protected]
Mälarvägen 9, 141 71 Segeltorp
Web page: www.disperator.se
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6.3. Connection of Machine Outlet to Water Trap and Sewer Pipe
Connection of water trap and sewer pipe to the delivered disposer must be done by an authorized
installer of sewer supply and in accordance to valid local regulations. The water trap is not included in
standard delivery but is available as an option from Disperator.
6.3.1. Dimensions
The water trap and the sewer pipe must have the same dimensions as the outlet flange of the
disposer (i.e. DN50 for models 510, 515 and 520, and DN65 for models 530, 550 and 575), in
order to allow free wastewater flow from the disposer. No throttling in the water trap and sewer
pipe may exsist.
6.3.2. Depth and Threshold of Water Trap
The depth of the water trap (measurement “d” in figure below) must be as small as possible in
order to obtain the best possible flow with the largest amounts of food waste. The water trap
must also be deep enough, so that the water threshold “d1” is approximately 100 mm for models
510, 515 and 520 and approximately 160 mm for models 530, 550 and 575.
6.3.3. Curves and Bends
The water trap, and all bends in the sewer pipe, must be drawn without sharp bends or curves,
according to local standards. The distance “k” in the figure below must be 100-120 mm for
models 510, 515 and 520 and 130-150 mm for models 530, 550 and 575.
6.3.4. Level Difference of Water Trap
The level difference (measurement “n” in figure below) must be at least equal to the inner
sewer pipe diameter, which is dependent on the wall thickness of the water trap (however
approximately 50 mm for disposer models 510, 515 and 520 and approximately 65 mm for
models 530, 550 and 575).
6.3.5. Slope of Sewer Pipe
The inclination of the sewer pipe (measurement “f” in figure below) should normally be 2:100
(minimum 1,5:100, maximum 3:100). Horizontal sewer pipes must always be avoided. Also
greater inclination than mentioned above must be avoided, as the water then flows faster and
away from the waste.
6.3.6. Vacuum Evacuation
For installations where the disposer is evacuated by means of a vacuum, a water trap must not be con-
nected to the outlet of the disposer. Instead, the disposer is connected directly to the collection tank of
the vacuum system. It is important that the sewer pipe, between the disposer and the collection tank,
has a ventilation pipe that is always open (as shown in the figure below). A ventilation pipe must be fitted
even if the collecting tank has automatic airing.
Ventilation pipe which
must always be open
Vacuum exhaust valve
Collection tank
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