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FDI Valves

 

 

FDI AutoFlow Valves 

Automatic flow control valves for dynamic balancing of hydronic systems

Benefits of AutoFlow Balancing Accuracy

 
bulletSaves Pump Energy
Autoflow valves prevent overflows. This ensures the pumps deliver the
correct flow and keep the power consumption in check, as against manual
balancing valves with higher flow variations and may allow overflows.
bulletFewer valves are needed
Autoflow valve is only required at the equipment unlike manual balancing
valves which are needed at the main and branch pipes and at the equipment.
bulletLower Head Requirement
In conjunction with the above item, with lesser number of valves required,
the sum of the pressure loss is reduced thus lowering pump head requirement.
bulletBest for Variable Speed Pumping
Autoflow valves are precision milled by CNC machines to provide a flow
accuracy of +/-5% at any pressure within its control range. They are
therefore more suitable for variable speed pumps unlike manual balancing
valves where accuracy varies with the degree of throttling of the valves.
bulletTamperproof Design - Reliability
Autoflow valves do not require any site adjustment and as such, rules out
the possibilities of errors or mistakes made by the commissioning personnel.
bulletLower Balancing Labor
Autoflow valves are factory calibrated and do not require any site adjustment
during testing and commissioning. There is a tremendous saving in time and
labor compared to a project with a few hundred manual valves to balance.
bulletSpace Saving
Autoflow valves do not require any straight length of pipe before or after
the valves. Manual balancing valves require a certain straight length 
before and after the valves in order to maintain the rated flow capacity.
bulletDesign Flexibility

 

   

 

  YR Series Valves

   WS Series Valves 

Regardless of the changes in the upstream pressure, AutoFlow balancing valves will automatically adjust and balance the system to ensure that the correct amount of chilled water is delivered to the hydronic system.

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