DN20 water 6-20VDC latching solenoid valve 220v ac 3/4

DN20 water 6-20VDC Latching Solenoid Valve 220v ac 3/4     Description:   This valve is great for battery operation. A short pulse of power opens the valve and it will remain open without any power until the coil receives another short power pulse. You can control this valve with an electronic circuitry or use a three position (ON-OFF-ON) momentary switch with polarity reversing.  A short pulse of power with normal polarity opens the valve and a short pulse of power with reverse polarity closes the valve. The valve will remain in the closed or open position (which ever has been selected most recently) when no power is applied. These types of valves are used in applications requiring minimal power consumption or long activation times.   VALVE COIL / ELECTRICAL   The valve coil is epoxy encapsulated and is water resistant The valve opens when it receives a 50 millisecond (ms) pulse with normal polarity ("positive" connected to red wire and "negative" connected to black wire).    The valve closes when it receives a 50 ms pulse with reverse polarity ("positive"  connected to black wire and "negative" connected to red wire).  NOTE: The length of the pulse is not critical as long as it is at least 50 ms long.  General · 3/4" or 1" BSP inlet and outlet ports ·  Magnetically Latching Coil ·  2-way / 2-position valve ·  Pilot operated diaphragm valve ·  Aprx. 3/4" or 1" internal orifice    Coil / Electrical    ·  Design voltage: 6-Volt DC  ·  Amperage draw: 500mA at 6-volts ·  Max voltage: 9.0 VDC ·  Min. 50 ms pulse opens valve ·  Min. 50 ms reverse pulse closes   Pressure and Temperature   ·  5 to 115 PSI (0.3 to 8 BAR) ·  160° F (70° C) Max Media Temp ·  Not for gravity feed systems   Valve Materials   ·  Noryl GTX830 composite body ·  Stainless Steel internal components ·  EPDM diaphragm   Suitable Media   ·  Water ·  Other low viscosity liquids ·  Not for Diesel or gasoline  

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