How to choose the right electric ball valves

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2013-11-25 23:47:44

Please kindly choose motorized ball valve Size,Material and Voltage you want so that we can recommend you best suitable model,
About model name,part number and label info,please click: http://www.flow-controls.com/news/What-the-part-number-Label-will-be-for-TOFINE-valves-57.html

Size: 1/4 (DN8), 1/2"(DN15),3/4"(DN20),1"(DN25),1-1/4"(DN32),1-1/2"(DN40),2"(DN50)

Material: Brass,Stainless steel,Nickel plated brass,PVC

Voltage: DC5V,DC12V,DC24V,AC24V,AC110-230V

1) What is the main difference for the full bore and reduced bore?

Full port: External diameter: 25MM, Actual inner diameter: 25MM,you never lose any water flow or pressure.

Reduced port: Connection diameter: 25mm,Actual inner diameter:20MM,

2) What is the main difference for the BSP and NPT thread connection?

NPT: Always used for USA or Canada pipe system

BSP: Always used for European or Asia pipe system

The difference is very slightly,some clients ignore it,some clients are strict with it.

3) What is Manual override and valve open/close visual indicator function?

Manual override function is standard for use in the event of power failure,and this function is only permitted to use when power off.

Valve open/close visual indicator function can indentify the valve open or close via the black line on the acuator.

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