Discharge throttle

These throttles are used to throttle the discharge caused by rain events in order to protect the sewer or a surface water from excessive inflows.

3P retention throttle 1″ with overflow siphon

Article no. 4000320

The retention throttle ensures a regular, predefined outflow.

Advantage: Retention throttle and overflow siphon in one part that adapts to the water level. The flexible hose allows the restrictor to adapt to the water level.

 

  • Hose dimension: 1″ x 1.3 m
  • Dimensions: 600 x 130 x 850 mm
  • Material: Polyethylene DN 100
  • Floating ball with 140 mm diameter

Flow rates in liters / second

0,07
0,13
0,17
0,23
0,25
0,29
0,40
0,45

3P retention throttle 2″ with overflow siphon

Article no. 4000325

For description see 3P retention throttle 1″ with overflow siphon.

 

  • Hose dimension: 2″ x 1.5 m
  • Dimensions: 600 x 130 x 850 mm
  • Material: Polyethylene DN 100
  • Floating ball with 140 mm diameter

Flow rates in liters / second

0,66
0,80
0,88
1,00
1,05
1,11
1,14
1,64

3P retention throttle 3″ with overflow siphon

Article no. 4000330

The retention throttle ensures a regular, predefined outflow.

Advantage: Retention throttle and overflow siphon in one part that adapts to the water level. The flexible hose allows the restrictor to adapt to the water level.

 

  • Hose dimension: 3″ x 1.5 m
  • Dimensions: 600 x 130 x 850 mm
  • Material: Polyethylene DN 100
  • Floating ball with 220 mm diameter

Flow rates in liters / second

0,83
1,25
1,61
1,69
1,89
2,04
2,44
2,94
3,13
3,85

3P retention throttle 4″ with overflow siphon

Article no. 4000350

The retention throttle ensures a regular, predefined outflow.

Advantage: Retention throttle and overflow siphon in one part that adapts to the water level. The flexible hose allows the restrictor to adapt to the water level.

 

  • Hose dimension: 4″ x 1.5 m
  • Dimensions: 600 x 130 x 850 mm
  • Material: Polyethylene DN 150
  • Floating ball with 220 mm diameter

Flow rates in liters / second

3,68
4,73
6,92
7,33
8,57
10,53
12,07

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