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Japan, KONAN ELECTRIC, Solenoid Valves
KONAN YS201 Zero-differential Pressure Pilot-acting 2-port Solenoid Valves Normally Closed Type

Product Made In Japan
Manufacturer: KONAN ELECTRIC
Model: YS201
YS20 series 2-port solenoid valves are hanging diaphragm valve that start operation with zero differential pressure. The valves are applicable for pressures from –100 kPa to 0.96 MPa.
Specifications
Valve operation type | Normally closed | Valve opens when solenoid is energized. | |
Normally open | Valve opens when solenoid is de-energized. | ||
Port size | Rc3/8・1/2・3/4・1・1_1/4・1_1/2・2 | ||
Orifice size | 15.9、19.1、25.0、32.0mm | ||
Materials | Body | Brass, stainless steel | |
Seal / seat | Nitrile rubber, ethylene propylene rubber, fluorine rubber | ||
Housing | Standard | Conduit type(NEMA1) | |
Others | Explosion-proof enclosure (d2G4, Exd Ⅱ BT4), Drip-proof, housing with terminal box, and others. See Selection Guide (p.66-70). | ||
Rated voltage | AC100V50/60Hz、 110V60Hz DC24V AC110V50Hz、 120V60Hz DC100V AC200V50/60Hz、 220V60Hz DC120V AC220V50Hz、 240V60Hz DC125V | ||
Allowable voltage fluctuation | –15% to 10% of applicable voltages | ||
Insulation class | Continuous rating class F and H | ||
Leadwire length | Min.450mm | ||
Ambient temperature | Max. | 50℃ (Temperature may differ depending on coil and fluid temperature. See p.76 for details.) | |
Min. | –17℃ (Temperature may depending on seat materials. See p.76 for details.) | ||
Installation position | As desired | ||
Applicable standards | (Consult us for details.) | ||
Options, others | Mounting bracket, neon lamp, surge absorber, oil-free Manual operating system (The maximum operating pressure differential is 1.0Mpa, in case of S202/ YS202 [Normally open type], port size 3/8,1/2, 3/4, and rated voltage AC.) |
Structure / Operation
Coil Data
Model code | YS201 | YS202 | |||
Frequency (Hz) | 50 | 60 | 50 | 60 | |
Apparent power (VA) | Issuance | 37 | 30 | 43 | 37 |
Retention | 22 | 15 | 24 | 18 | |
Power consumption (W) | AC | 10 | 11 | ||
DC | 10 |
Product Mass
Body | Port size (Rc) | Housing | ||||||||
A | P | B | T | X | G | J/C | K/E/H | Y | ||
Brass (5) | C(3/8) | 1.0 | 0.9 | 0.9 | 1.0 | 1.2 | 1.2 | 1.6 | 1.7 | 1.9 |
D(1/2) | ||||||||||
E(3/4) | 1.0 | 0.9 | 0.9 | 1.0 | 1.2 | 1.2 | 1.6 | 1.7 | 1.9 | |
F(1) | 1.8 | 1.8 | 1.8 | 1.9 | 2.0 | 2.1 | 2.4 | 2.5 | 2.7 | |
G(1_1/4) | 2.7 | 2.7 | 2.7 | 2.8 | 2.9 | 3.0 | 3.3 | 3.4 | 3.6 | |
H(1_1/2) | ||||||||||
Bronze (5) | J(2) | 4.1 | 4.1 | 4.1 | 4.2 | 4.3 | 4.4 | 4.7 | 4.8 | 5.0 |
Stainless stee(l 7) | C(3/8) | 0.8 | 0.8 | 0.8 | 0.9 | 1.0 | 1.1 | 1.4 | 1.5 | 1.7 |
D(1/2) | ||||||||||
E(3/4) | 1.0 | 0.9 | 0.9 | 1.0 | 1.2 | 1.2 | 1.6 | 1.7 | 1.9 | |
F(1) | 1.9 | 1.8 | 1.8 | 1.9 | 2.0 | 2.1 | 2.4 | 2.5 | 2.7 | |
G(1_1/4) | 2.9 | 2.8 | 2.9 | 3.0 | 3.1 | 3.2 | 3.5 | 3.6 | 3.8 | |
H(1_1/2) | ||||||||||
J(2) | 3.4 | 3.3 | 3.3 | 3.4 | 3.6 | 3.6 | 4.0 | 4.1 | 4.3 |
Valve Selection List
Port size Rc | Orifice size mm | Cv value | Operating pressure differential MPa | Max. fluid temperature | Housing | Power consumption (W) | Insulation class | Voltage V 50/60Hz | Model code | ||||||||
Min. | Max. | ||||||||||||||||
Air/ inert gas | Water | Kerosene | AC | DC | Brass or bronze (Rc 2) body | Stainless steel body | |||||||||||
AC | DC | AC | DC | AC | DC |
Normally closed ![]() type | |||||||||||||||||
3/8 | 15.9 | 3.3 | 0 | 0.96 | 0.61 | 0.96 | 0.61 | 0.61 | 0.48 | 50 | A | 10 | 10 | F | 100 | YS201AF88N5CG4 | YS201AF88J7CG4 |
1/2 | 15.9 | 4.1 | 0 | 0.96 | 0.61 | 0.96 | 0.61 | 0.61 | 0.48 | 50 | A | 10 | 10 | F | 100 | YS201AF88N5DG4 | YS201AF88J7DG4 |
3/4 | 19.1 | 5.5 | 0 | 0.96 | 0.61 | 0.96 | 0.61 | 0.61 | 0.48 | 50 | A | 10 | 10 | F | 100 | YS201AF88N5EG5 | YS201AF88J7EG5 |
1 | 25 | 11 | 0 | 0.68 | − | 0.34 | − | − | − | 50 | A | 10 | − | F | 100 | YS201AF88N5FG9 | YS201AF88J7FG9 |
1_1/4 | 32 | 18 | 0 | 0.34 | − | − | − | − | − | 50 | A | 10 | − | F | 100 | YS201AF88N5GJ2 | YS201AF88J7GJ2 |
1_1/2 | 32 | 23 | 0 | 0.34 | − | − | − | − | − | 50 | A | 10 | − | F | 100 | YS201AF88N5HJ2 | YS201AF88J7HJ2 |
2 | 32 | 27 | 0 | 0.34 | − | − | − | − | − | 50 | A | 10 | − | F | 100 | YS201AF88N5JJ2 | YS201AF88J7JJ2 |
External Dimensions
- Kouei is a Distributor/Agent for KONAN.
- Other items of KONAN.
- Request the quotation for KONAN.
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