Starting at $128.00
  • Usually ships in 2-3 weeks



  • Flow Rate Settings: 0.10 to 1.50 GPM
  • Port Size: 1/4" NPT
  • Measures only 1˝ x 2-3/4˝
  • Primary Construction Material: Brass, Stainless Steel
  • Maximum Operating Pressure: 1000 PSIG
  • Operating Temperature: -20 to 200°F
  • Set Point Accuracy: ±15%
  • Set Point Differential: 20% Maximum
  • Switch: SPST, 20 VA


The Gems FS-927 series flow switches are compact for use where space is at a premium. Designed for use with water and oil, these switches measure just 1" x 2-3/4" making them ideal for coolant or lubricant flow monitoring in portable equipment and many other applications with space constraints.

The FS-927 series has a 1/4" NPT port for liquid flow settings from 0.10 to 1.50 GPM. Featuring rugged brass or stainless steel bodies, the FS-927 utilizes a simple and reliable design suitable for operating temperatures from -20 to 200°F and line pressures up to 1000 psig. The Gems FS-927 uses a SPST switch with normally open or normally closed operation.

Applications for the Gems FS-927 Series flow switch:

  • Electronic Equipment: Laser Heads, Welders, Power Supplies, High Speed Spindles, X-Ray Tubes, Semiconductor Equipment
  • Bearings or Gears: Presses, Rotating Equipment, Conveyors, Machine Tools, Robotics
  • Processing & Dispensing Equipment: Water Purifications and Filtering, X-Ray Film Processing, Beverage Dispensing, Chemical Additives, Gas Sampling, Distilling


This product can be used in the following applications: