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KONAN ELECTRIC CO., LTD is a Japanese leading manufacturer and supplier of Pneumatic and Hydraulic Fluid Components for factory automation and energy-saving applications.

Konan’s highly reliable and durable products have been developed with superior technologies to meet the needs and demands especially in the heavy industries such as power plants, steel mills, chemical plants, as well as many other industrial fields. Our products and services are highly used not only in Japan but over 50 countries around the world.

Pilot-acting 2-port Solenoid Valves

YS21 series

Pilot-acting 2-port Solenoid Valves


YS21 series 2-port solenoid valves are pilot-acting diaphragm valves, available for NC or NO operation. 

With wide range of port sizes, the valves meet diverse applications.


Model codeYS211Normally closedValve opens when solenoid is energized.
YS212Normally openValve opens when solenoid is de-energized.
Port sizeRc 3/8・1/2・3/4・1・1/4・11/2・2
Orifice size15.9~32.0mm
Body materialBrass, stainless steel, bronze
Seal/Seat materialNitrile rubber, fluorine rubber, Polytetrafluoroethylene, ethylene propylene rubber
HousingStandardConduit type
OthersExplosion-proof, NEMA 4 drip-proof,housing with terminal box, and others.
Rated voltageAC100V,110V,200V,220V(50/60Hz) AC120V,220V(60Hz)


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