Japan, KONAN ELECTRIC, Solenoid Valves
KONAN NA/NB/NC333 3-port Solenoid Valves For Nuclear Power Plants Normally Closed

Product Made In Japan
Manufacturer: KONAN ELECTRIC
Model: NA/NB/NC333
N33 series 3-port solenoid valves for nuclear power plants are small-size direct-acting valves adopting soft seals.
The compact valves control various fluids in normally closed, normally open, or universal type operation.
Model Code
External Dimensions
JIS Symbols
Coil Data
Specification
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) |
- Kouei is Distributor/Agent of KONAN.
- Other items of KONAN.
- Request the quotation for KONAN.
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