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FDF-H Series

FDF-H series are servo solenoid valve with piston, can be also used for liquid, suction, hot gas lines with other flourinated refrigerants. contact us
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Characteristics

- FDF-H series are pilot operated solenoid valves for liquid, suction and hot gas application.- For refrigeration and air condition application.- Suitable for R410A refrigerant、HFC & HCFC.- Medium temperature: -40℃～＋105℃, Max +130℃ during defrosting. - Ambient temperature: -40℃～+55℃. - Maximum working pressure：30 bar- Alternative coils:  AC：24V, 36V, 110V, 220V  DC：12V, 24V


Dimensions


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Other Technical Data

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The Kv value is the water flow in m3/h at a pressure drop across valve of 1 bar,ρ=1000kg/ m3.Note :If you have special requirement ,please contact STF.


Nominal Liquid Capacity(KW)

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Rated liquid and suction vapour capacity is based on evaporating temperature te=4.4℃,liquid temperature ahead of valve t1=38℃,and pressure drop in valve R134a △P=0.15 bar, R22、R404A、R507、R407c、R410A  ΔP=0.21bar.Rated hot gas capacity is based on condensing temperature tc=+40℃,pressure drop across valveΔP=0.8bar,hot gas temperature th=+65℃,and subcooling of refrigerant Δtsub=4K.


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