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KONAN NA/NB/NC203 3-port Solenoid Valves For Nuclear Power Plants Normally Closed

Product Made In Japan
Manufacturer: KONAN ELECTRIC
Model: NA/NB/NC203

N203/204 series 3-port solenoid valves for nuclear power plants are pilot type valves incorporating diaphragm.
With high flow rate structure and operation at low differential pressure,the valves ensure excellent control reliability.

Specification

Model code NA/NB/NC203 NA/NB/NC204
Valve operation type Normally closed Normally open
Port size Rc3/8 Rc1/2 Rc3/8 Rc1/2
Orifice size(mm) 15.9 15.9
Cv value 3.3 4.4 3.3 4.4
Operating
pressure
differential
(MPa)
Min. 0.05
Max. Air/Inert gas AC 1.02
DC 1.02
Body Brass
Seal / seat Nitrile rubber(only NC),Fluorine rubber(only NA,NB),Ethylene propylene(only NA,NB)
Poppet Polyacetal(only NC),Stainless steel(only NA,NB)
Cartridge Brass
Housing NEMA4 drip-proof
Solenoid Applicable voltage AC 100V , 110V , 115V , 120V
DC 100V , 110V , 125V
Allowable voltage fluctuation -15% to 10% of applicable voltage
Insulation class Class H
Leadwire length(mm) 600
Ambient temperature Refer to catalog for details.
Installation position As desired(Horizontal mounting with solenoid at upper side is recommended)
Options Mounting bracket , NPT(port) , Terminal box

External Dimensions

NA/NB/NC203

JIS Symbols

NA/NB/NC203

Coil Data

NA/NB/NC203

Model Code

NA/NB/NC203


 

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