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Japan, KONAN ELECTRIC, Solenoid Valves
KONAN YS271 Zero-differential Pressure Pilot-acting 2-port Solenoid Valves Normally Closed Type
Product Made In Japan
Manufacturer: KONAN ELECTRIC
Model: YS271
Specifications
| Valve operation type | Normally closed | Valve opens when solenoid is energized. | |
| Normally open | Valve opens when solenoid is de-energized. | ||
| Port size | Rc1・1_1/4・1_1/2・2 | ||
| Orifice size | 25.0、32.0mm | ||
| Materials | Body | Brass, stainless steel, bonze | |
| Seal / seat | Nitrile rubber, ethylene propylene rubber, fluorine rubber | ||
|
Housing | Standard | Conduit type(NEMA1) | |
| Others | 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 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 | Place the valve with solenoid standing upright. | ||
| Applicable standards | (Consult us for details.) | ||
| Options, others | Neon lamp, surge absorber, oil-free | ||
Structure / Operation
Coil Data
| Model code | YS271 | YS272 | |||
| Frequency (Hz) | 50 | 60 | 50 | 60 | |
| Apparent power （VA) | Issuance | 150 | 130 | 160 | 130 |
| Retention | 32 | 25 | 40 | 30 | |
| Power consumption （W) | AC | 17.5 | 18.5 | ||
| DC | 22.5 | − | |||
Product Mass
| Body | Port size （Rc） | Housing | |||
| A | T | W | G | ||
|
Brass (5) | F(1) | 2.4 | 2.5 | 2.4 | 2.5 |
| G(1_1/4) | 3.3 | 3.4 | 3.3 | 3.4 | |
| H(1_1/2) | |||||
| Bronze (5) | J(2) | 4.7 | 4.8 | 4.7 | 4.8 |
|
Stainless stee（l 7） | F(1) | 2.4 | 2.5 | 2.4 | 2.5 |
| G(1_1/4) | 3.5 | 3.5 | 3.5 | 3.5 | |
| H(1_1/2) | |||||
| J(2) | 4.0 | 4.0 | 4.0 | 4.0 | |
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  | |||||||||||||||||
| 1 | 25 | 13 | 0 | 0.86 | 0.86 | 0.68 | 0.68 | 0.49 | 0.49 | 50 | A | 17.5 | 22.5 | H | 100 | YS271AH88N5FG9 | YS271AH88J7FG9 |
| 1_1/4 | 32 | 19 | 0 | 0.86 | 0.86 | 0.34 | 0.34 | 0.49 | 0.49 | 50 | A | 17.5 | 22.5 | H | 100 | YS271AH88N5GJ2 | YS271AH88J7GJ2 |
| 1_1/2 | 32 | 25 | 0 | 0.86 | 0.86 | 0.34 | 0.34 | 0.49 | 0.49 | 50 | A | 17.5 | 22.5 | H | 100 | YS271AH88N5HJ2 | YS271AH88J7HJ2 |
| 2 | 32 | 28 | 0 | 0.86 | 0.86 | 0.34 | 0.34 | 0.49 | 0.49 | 50 | A | 17.5 | 22.5 | H | 100 | YS271AH88N5JJ2 | YS271AH88J7JJ2 |
External Dimensions
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