FS-400 Series Shuttle Flow Switch

• Flow Rate Settings: 0.75 GPM to 10.0 GPM
• Port Size: 3/4" in.
• Primary Construction Material: Bronze
• Setting Type: Fixed

The FS-400 Series Flow Switches deliver precise flow detection in water and oil with 1% repeatability. Built from rugged, non-corrosive materials, these switches resist shock and vibration for long-term reliability. Ideal for protecting bearings, gears, and cooling systems, the FS-400 is widely used in lubrication, process, and cooling applications across industrial and electronic equipment.

Product Line

• Flow Sensors & Switches

Sensor Type

• Shuttle

Body Material

• Bronze

Wetted Material

• Bronze
• Viton
• Bronze, Delrin, 316 Stainless Steel, Viton, Ceramic
• Teflon
• Ceramic
• 316 Stainless Steel

Maximum Operating Pressure

• 400 PSI

Proof Pressure

• 800 PSI

Flow Setting Range

• FIXED

Set Point Accuracy

• ±10%

Set Point Differential

• 0.15

Switch Type

• SPDT (20 VA)

Process Connection

• 3/4" NPT Female

Electrical Termination

• 24" Long, 18 AWG, Polymeric Leads

Product Family

• Flow Switch

Product Type

• Shuttle

Minimum Operating Temperature [°F]

• -20 °F