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The 1801 Pump Control uses the original 45325-A except it has been improved with our patented Spoked Orifice which creates laminar flow to increase flow set point accuracy and enhance the self-cleaning ability of the flow switch during operation
Description: The 1500 Series Liquid or Gas Piston Flow Switch is an excellent choice for applications that may see high pressures as well as when flow set point adjust-ability is needed or desired
The switch in this unit is silicone potted in a factory replaceable capsule to permit a very high vibration resistance as well as keeping it repairable in the event of failure
durability
Latching Relay gas The 1801 Pump Control usesLatching relays work by having 2 sets of coil contacts used to actuate the state of the relay. When one set of coil contacts is energized, the relay switches over to its normal energized state and holds its position even if power is removed from the relay coil. It is not until the other set of coil contacts is energized, that the relay resets back to its original electrical state. Refer to the diagram to see which pins are used to actuate the relay.
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