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M O T O R I Z E D F L O W C O N T R O L The Source Motorized Flow Control provides economical and simple electric remote control for flows up to 50 GPM. It uses a 12 volt DC motor to open or close a rotary spool valve. The flow rate is changed by providing a 12 volt signal to either increase or decrease valve opening. In its simplest form, the control element is a DPDT three position-momentary-contact toggle or rocker switch or two DP momentary-contact push buttons. If a more sophisticated control is desired, the loop can be closed by using a control amplifier and relay circuit in conjunction with feedback from a flow or speed sensor. The valve requires no power to maintain its flow setting. A 12 volt DC signal is applied only while changing the flow rate and then shut off to hold flow rate at the desired setting. In the event of a power failure or system shut down, the valve will remain at its current flow setting until power is restored and a command signal is once again applied. Valve design allows for manual over-ride in case of electrical failure. The valve is internally protected and will automatically shut down the internal drive when either the full open or full closed positions are reached. F E A T U R E S Internally protected Requires no power to maintain setting Safe Flexible Efficient Simple to use Economical
| S P E C I F I C A T I O N S
| DESCRIPTION OPERATING PRESSURE
FLOW RATING
CONSTRUCTION |
| OPERATING SPEED (Fully closed to fully open @ 12V DC) VOLTAGE CURRENT DRAW CARTRIDGE WEIGHT
| T Y P I C A L C I R C U I T A P P L I C A T I O N S Note: the following links are PDF documents which require viewing software fromwww.adobe.com
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