Solenoid Valves for Nuclear Power Plants

Solenoid Valves for Nuclear Power Plants
Konan solenoid valves and components for nuclear power plants have been developed to meet various environmental conditions in nuclear power plants and successfully passed
reliability tests pursuant to IEEE standard.
From inside reactor containment to waste disposal, our products are applicable to diverse environment.

■NA Series
　NA series solenoid valves meet environmental conditions in LOCA inside reactor containment.
　Conforming to the IEEE 382-1980 standards,the valves have passed following tests：
　1.Thermal aging test 　2.Cycle aging test 　3.Pressurization cycle test 　4.Radiation aging test　5.Vibration aging test 　6.Seismic simulation test (OBE)
　7.Seismic simulation test (SSE)　8.DBE radiation exposure test 　9.DBE environment test(LOCA)
　※OBE : Operating basis earthquake　SSE : Safe shutdown earthquake　DBE : Design basis events　LOCA : Loss of coolant accident
■NB Series
　NB series solenoid valves are suitable for high temperature operating conditions inside and outside reactor containment.
　1.Radiation deterioration test　2.Vibration aging test　3.Thermal aging test　4.Cycle aging test
■NC Series
　NC series solenoid valves are suitable for nuclear reactor facilities and other general nuclear power plants.

N30 series　2-port Solenoid Valves for Nuclear Power Plants

PDF（Catalog）--
  • N30 series　2-port Solenoid Valves for Nuclear Power Plants
N30 series 2-port solenoid valves for nuclear power plants are small size direct-acting valves incorporating soft seal.
The space-saving compact valves are provided with brass or stainless steel body for control of various fluids in NB/NC applications.

■Applicable fluid：Air / Inert gas
■Valve type : NB/NC301（Normally closed type）　NC302（Normally open type）
■Operation type : Mini-type Direct-acting
■Port size：Rc1/4
Model code NB/NC301 NC302
Valve operation type Normally closed Normally open
Port size Rc1/4 Rc1/4
Orifice size（mm） 1.2 1.6 2.4 3.2 4.0 4.8 2.4 3.2
Cv value 0.05 0.1 0.21 0.36 0.44 0.65 0.21 0.36
Operating
pressure
differential
（MPa）		 Min. 0 0
Max. Air/Inert gas AC 7.20 4.80 2.74 1.37 1.02 0.68 1.02 0.68
DC 6.86 2.05 1.37 0.96 0.68 0.48 1.02 0.68
Body Brass , stainless steel
Elastomer Nitrile rubber（only NC）,Fluorine rubber（only NB）,Ethylene propylene（only NB）
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 Terminal box , NPT（port）
●Refer to catalog for details.

N20 series　2-port Solenoid Valves for Nuclear Power Plants

PDF（Catalog）--
  • N20 series　2-port Solenoid Valves for Nuclear Power Plants
N20 series 2-port solenoid valves for nuclear power plants are pilot type valves incorporating hanging diaphragm that enables operation
at zero differential pressure.
Applicable pressure ranges from -100 KPa to 1.37MPa,and brass or stainless steel body can be selected for NC application for control of
various fluids.

■Applicable fluid：Air / Inert gas
■Valve type : NB/NC201（Normally closed type）　NB/NC202（Normally open type）
■Operation type : Pilot (operates with no differential pressure)
■Port size：Rc3/8 , Rc1/2 , Rc3/4
Model code NB/NC201 NB/NC202
Valve operation type Normally closed Normally open
Port size Rc3/8 Rc1/2 Rc3/4 Rc3/8 Rc1/2 Rc3/4
Orifice size（mm） 15.9 19.1 15.9 19.1
Cv value 3.3 4.1 5.5 3.3 4.1 5.5
Operating
pressure
differential
（MPa）		 Min. 0
Max. Air/Inert gas AC 0.96 1.37
DC 0.61 0.86
Body Brass , stainless steel
Elastomer Nitrile rubber（only NC）,Fluorine rubber（only NB）,Ethylene propylene（only NB）
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 , Manual operating system
●Refer to catalog for details.

N21 series　2-port Solenoid Valves for Nuclear Power Plants

PDF（Catalog）--
  • N21 series　2-port Solenoid Valves for Nuclear Power Plants
N21 series 2-port solenoid valves for nuclear power plants are pilot type valves incorporating diaphragm.

■Applicable fluid：Air / Inert gas
■Valve type : NC211（Normally closed type）　NC212（Normally open type）
■Operation type : Pilot (diaphragm)
■Port size：Rc3/8, Rc1/2 , Rc3/4 , Rc 1
Model code NC211 NC212
Valve operation type Normally closed Normally open
Port size Rc1/2 Rc3/4 Rc 1 Rc3/8 Rc1/2 Rc3/4
Orifice size（mm） 15.9 19.1 25.4 15.9 15.9 19.1
Cv value 4.1 5.5 13.0 3.3 4.1 5.5
Operating
pressure
differential
（MPa）		 Min. 0.02 0.02 0.03 0.02 0.02 0.02
Max. Air/Inert gas AC 1.37 1.37 1.37 0.68 0.68 0.68
DC 1.02 1.02 1.02 0.68 0.68 0.68
Body Brass
Elastomer Nitrile rubber
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
●Refer to catalog for details.

N33 series　3-port Solenoid Valves for Nuclear Power Plants

PDF（Catalog）--
  • N33 series　3-port Solenoid Valves for Nuclear Power Plants
N33 series 3-port solenoid valves for nuclear power plants are small size direct-acting valves adopting soft seal.
The compact valves control various fluids in normally closed,normally open,or universal type operation.

■Applicable fluid：Air / Inert gas
■Valve type : NA/NB/NC333（Normally closed type）　NA/NB/NC334（Normally open type）　NA/NB/NC336（Universal type）
■Operation type : Mini-type Direct-acting
■Port size：Rc1/4
Model code NA/NB/NC333 NA/NB/NC334 NA/NB/NC336
Valve operation type Normally closed Normally open Universal
Port size Rc1/4 Rc1/4 Rc1/4
Orifice size（mm） 1.6 2.4 3.2 4.4 1.6 2.4 3.2 4.4 1.6 2.4 3.2 4.4
Cv value 0.09 0.15 0.31 0.38 0.09 0.15 0.31 0.38 0.09 0.15 0.31 0.38
Operating
pressure
differential
（MPa）		 Min. 0
Max. Air/
Inert gas		 AC low pressure 1.37 1.02 0.57 0.31 1.37 1.02 0.57 0.31 0.68 0.41 0.23 0.15
high pressure 1.71 1.17 0.75 0.37 1.71 1.17 0.75 0.37 0.94 0.75 0.34 0.29
DC low pressure 1.09 0.78 0.41 0.16 1.09 0.78 0.41 0.16 0.54 0.34 0.20 0.078
high pressure 1.37 0.94 0.60 0.31 1.37 0.94 0.60 0.31 0.85 0.68 0.31 0.27
Body Brass , stainless steel
Elastomer Nitrile rubber（only NC）,Fluorine rubber（only NA,NB）,Ethylene propylene（only NA,NB）
Poppet Polyacetal（only NC）,Stainless steel（only NA,NB）
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 , operating system（only NC）
●Refer to catalog for details.

N203/N204 series　3-port Solenoid Valves for Nuclear Power Plants

PDF（Catalog）--
  • N203/N204 series　3-port Solenoid Valves for Nuclear Power Plants
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.

■Applicable fluid：Air / Inert gas
■Valve type : NA/NB/NC203（Normally closed type））　NA/NB/NC204（Normally open type）
■Operation type : Pilot (diaphragm)
■Port size：Rc3/8 , Rc1/2
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
●Refer to catalog for details.

N32 series　3-port Solenoid Valves for Nuclear Power Plants

PDF（Catalog）--
  • N32 series　3-port Solenoid Valves for Nuclear Power Plants
YS32 series pilot-operated piston style 3-port solenoid valves show distinguished performance in high flow rate applications.
The valves have large orifice. The valves have high reliability as quick exhaust valve.

■Applicable fluid：Air / Inert gas
■Valve type : NA/NB/NC321（Normally closed type）　NA/NB/NC322（Normally open type）
■Operation type : Mini-type Direct-acting
■Port size：Rc1/8 , Rc1/4
Model code NA321 NA322
Valve operation type Normally closed Normally open
Port size Rc1/4 Rc3/8 Rc1/4 Rc3/8
Orifice size（mm） Pressure side:7.1 Exhaust side:8.7
Cv value Pressure side:0.8 Exhaust side:1.2
Operating
pressure
differential
（MPa）		 Min. 0.07
Max. Air/Inert gas AC 0.85
DC 0.85
Body Brass
Seal / seat Nitrile rubber（only NC）,Fluorine rubber（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 Terminal box , NPT（port）
●Refer to catalog for details.
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