Dynamic Flow Balancing Valve

Function

SUNFLU Flow Balancing Valve is mainly used for solving problem of hydraulic disorder in flow pipe.

It can keep flow in the pipe constant when pressure fluctuate in operating differential pressure.

With the fluctuation of pressure，Flow balancing valve core will move automatically to change the 

aperture, thus to keep the constant flow; So long as water differential pressure is within parameter, it 

can regulate equipment to reach required flow without any external force. Compact design saves 

installation room; simplified the computing workload of pipe system when designing; it is convenient to 

install. There is no need to do balance adjustment before running; stainless steel valve core assures 

corrosion resistance and long life which is a new energy-saving product at home and abroad. The 

differential pressure before and after should meet the requirement in the design phrase.

Standard :

Flange-- PN25 pressure, meet up with DIN EN1092-2/GB/T 9113.1-2000.

Installation instruction:

Installation way is as following, preset room for installation and stretch (preset flexible connection room 

to avoid rigid traction force to valve body)

Cautions:

1. Use the valve body correctly according to selection sheet, avoid wrong flow and differential pressure.

2. Pay attention to exhaust and gas keeping in system, it may cause medium blocking invalidation of 

regulating function or noise.

3. Pay attention to direction of flow, opposite direction may lose function.

4. Recommend to add strainer or wash line to inlet of valve, which avoids impurity blocking elements.

Dimension

Specifications:

Caliber: DN50-DN400 (chilled/hot water)

Flanged connection: EN1092-2

Valve body: Ductile iron

Valve core: Stainless steel

Sealing element: NBR

Surface treatment: Anti-oxidation spraying

Flow accuracy: ±5%

Nominal pressure: 2.5MPa

Parameter selection sheet (More flow& differential pressure parameters, please contact us)

Size (mm)