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Hidden Gem Vortex Flow Control Shaft Vs-control Flex M Flash Sale: 95% Off [E61fgbZG]

$51.99 $166.99 -69%

The vortex flow control shaft can regulate flows of up to 65 l/s. The vortex flow control shaft VS-Control External is ideal for retention systems fitted with EcoBloc elements or retention tanks.Continuously variable installation depth of 985 mm – 65

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Hidden Gem Vortex Flow Control Shaft Vs-control Flex M Flash Sale: 95% Off [E61fgbZG]

The vortex flow control shaft can regulate flows of up to 65 l/s. The vortex flow control shaft VS-Control External is ideal for retention systems fitted with EcoBloc elements or retention tanks.

  • Continuously variable installation depth of 985 mm – 6500 mm (38.8" – 21' 4")
  • Minimal height offset between the inlet and the outlet (315 mm (12.4") VS-Control External S; 445 mm (17.5") VS-Control External M; 505 mm (19.9") VS-Control External L)
  • Individually adjustable outflow value
  • Support in the planning and dimensioning of our system
  • Housing can be shortened

Versatile use

  • With storage modules, welded into watertight plastic liners
  • With underground tanks
  • With retention tanks provided by the customer

Project-specific design

  • Flexible adaptation to the local site conditions using GRAF shaft components
  • Project specific dimensioning of the replaceable orifice
  • Different shaft sizes for individual requirements

Reliable in operation

  • No wear because there are no moving parts
  • Low-maintenance, because of the self-cleaning-effect through vortex flow
  • Extremely good revision capability

What Our Customers Say

February 6, 2026

Absolutely no complaints!

The quality is immediately apparent.

- Piper M..

February 6, 2026

Absolutely no complaints!

A great tool that performs very, very well.

- Graham P..

February 6, 2026

Absolutely no complaints!

The quality and the design are phenomenal.

- August Z..

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