FS-380 Series Piston Flow Switch

• Flow Rate Settings: 0.15 GPM to 2.00 GPM
• Port Size: Multiple
• Primary Construction Material: Brass or Stainless Steel
• Setting Type: Fixed

The FS‑380 Inline Flow Switch offers durable, clog‑resistant performance for high‑pressure systems. Its rugged design and 100‑micron filtration requirement reduce blockage, while the magnetic PPS composite piston ensures reliable flow detection. Ideal for industrial cleaning equipment and semiconductor cooling applications.

Product Line

• Flow Sensors & Switches

Sensor Type

• Piston

Body Material

• 316 Stainless Steel
• Brass

Wetted Material

• Brass
• 316 Stainless Steel
• PPS Composite
• PPS Composite
• Fluorocarbon
• Epoxy

Maximum Operating Pressure

• 1500 PSI

Flow Setting Range

• FIXED

Set Point Accuracy

• ±20%

Set Point Differential

• 0.2

Switch Type

• SPST, N.O. (20VA)

Process Connection

• 3/8" NPT Male
• 3/8" Tube Compression
• 1/2" NPT Male

Electrical Termination

• 24" Long, 22 AWG, Polymeric Leads

Recommended Filtration

• 50 Micron
• 100 micron

Product Family

• Flow Switch

Product Type

• Piston

Minimum Operating Temperature [°F]

• -20 °F