Vortex flow control shaft VS-Control external Dynamic choke from GRAF. With the vortex flow control shaft can be regulated volume flows of up to 65 l/s. The vortex flow control shaft VS-Control External is ideal for retention systems fitted with Graf EcoBloc ditch elements or retention cisterns.
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
Used with storage modules, welded into watertight plastic liners
Used with GRAF underground tanks
Used with retention tanks provided by the customer
Flexible adaptation to the local site conditions using GRAF shaft components
Project specific dimensioning of the replaceable orifice
Different shaft sizes for individual requirements
No wear because there are no moving parts
Low-maintenance, because of the self-cleaning-effect through vortex flow
All orders (stock items) for standard delivery are normally dispatched within 1-4 working days from clearance of payment. We expect delivery to be within 2 to 5 working days thereafter from the date of clearance of your order.
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Vortex flow control shaft VS-Control external Dynamic choke from GRAF. With the vortex flow control shaft can be regulated volume flows of up to 65 l/s. The vortex flow control shaft VS-Control External is ideal for retention systems fitted with Graf EcoBloc ditch elements or retention cisterns.
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
Used with storage modules, welded into watertight plastic liners
Used with GRAF underground tanks
Used with retention tanks provided by the customer
Flexible adaptation to the local site conditions using GRAF shaft components
Project specific dimensioning of the replaceable orifice
Different shaft sizes for individual requirements
No wear because there are no moving parts
Low-maintenance, because of the self-cleaning-effect through vortex flow
All orders (stock items) for standard delivery are normally dispatched within 1-4 working days from clearance of payment. We expect delivery to be within 2 to 5 working days thereafter from the date of clearance of your order.