ST-6 Flow Switch

$56.88

SPECIFICATIONS:

  • Mounting Position: Vertical only
  • Magnet Configuration: Free floating
  • Pressure, Minimum: 75 PSI
  • Pressure, Maximum: 3600 PSI
  • Flow Rate, Minimum: 1.0 GPM
  • Flow Rate, Maximum: 8.0 GPM
  • Inlet: 3/8″ FPT
  • Outlet: 3/8″ FPT
  • Cord/Lead Length: 47 inches

WIRING INSTRUCTIONS:

  • Lead #1 to Line/Power
  • Lead #2 to Load
  • Yellow with green tracer to Ground

Reed Switch Adjustment: depending on the system flow, it is normal for the magnet position to vary. This variance may require adjustment of the reed switch upon initial installation, especially at lower flow rates. If the switch fails to close upon initial flow, simply loosen the adjustment screw and position the switch so it properly opens/closes according to flow conditions.

SKU: 1249 Category:

Description

The ST-6 flow switch is a “normally open” flow switch, designed to be mounted in a high-pressure water line. Inside the housing of the ST-6 flow switch is a floating magnet that is aligned parallel with a reed switch. When the water flow is initiated, usually when the spray gun trigger is pulled, the water flow forces the magnet to move forward. Once in the correct position, the magnet pulls the thin reeds together, closing the circuit and allowing electrical continuity. When water flow ceases, usually when the trigger is released, a light spring returns the magnet to its original position. The reeds then pull apart and open the circuit, stopping electrical continuity.

Flow Switch Advantages:

  • Mounts further downstream in pumping system than traditional vacuum switches, thereby minimizing potential leak points that can cause vacuum leaks to the pump
  • Vacuum switches use rubber diaphragms that often rupture and cause vacuum leaks to the pump
  • Flow switches operate at a variety of pressures
  • Flow switches eliminate the need to restrict water flow to the pump, thereby prolonging pump life
  • The reed switch is encased in a protective glass capsule with a sealed nitrogen atmosphere that eliminates exposure to corrosive cleaning chemicals

Additional information

Weight0.78 lbs
Dimensions4.75 × 5.75 × 1.25 in

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