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Series Flow Switch FS-926 Gems Sensors

Gems Sensors Series Flow Switch

This series of precision-calibrated switches provides reliable and consistent performance; repeatability is within 1%. FS-926 units are factory preset for actuation at specified flow rates.
Stock
-1
Code
FS-926

Gems Sensors Series Flow Switch

 FS-926 Series Flow Switch

Quick Specs... 

  • Flow Rate Settings: Liquids - 50-300 cc/min.; Air/Gases - see chart at bottom of page 
  • Port Size: 1/4" NPT 
  • Primary Construction Material: Brass or Stainless Steel 
  • Setting Type: Fixed

Overview / Design Principle: 

This series of precision-calibrated switches provides reliable and consistent performance; repeatability is within 1%. FS-926 units are factory preset for actuation at specified flow rates.

These switches provide accurate detection of excessive or insufficient flow rates in such applications as: protecting against loss of fluid flow in hydraulic systems, assuring proper coolant flow in semiconductor processing equipment, monitoring high pressure lubrication systems, and ensuring proper air flow in water/waste systems.

The FS-926 Series, designed for liquids or gases, features a special low-flow piston. This additional piston allows the detection of fluid flow as low as 50 cc/min. These switches are ideal for applications such as gas sampling, liquid or gas lead detection, or chemical injection.
 

Applications: 

  • 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
Specifications: 

Wetted Materials 

- Housing: Brass or 316 Stainless Steel
- Piston (Brass Housing): Polysulfone for water; Brass for oil or air
- Piston (SS Housing): 316 Stainless Steel
- Low Flow Piston: Same as Housing
- Spring: 316 Stainless Steel
- O-Ring: Viton®
- Other Wetted Parts: Epoxy
 

Operating Temperature 

- With Brass or S.S. Piston:  -20°F to +300°F (-29°C to +148.9°C)
- With Polysulfone Piston: -20°F to +225°F (-29°C to +107.2°C)
 

Repeatability 

1% Maximum Deviation 

Set Point Accuracy 

±10% 

Set Point Differential 

15% Maximum  

Switch 

SPDT, 20 VA 

Inlet/Outlet Ports 

1/4" NPT  

Electrical Termination 

No. 18 AWG, 24" L., Polymeric Lead Wires 



 IMPORTANT REED SWITCH PROTECTION INFORMATION: Read before installing.

 

 Dimensions:

 DimFS925.gif 
A  1/4" (6.3 mm) 
B  9/32" (7.1 mm) MTG. Holes (2) 
C  2-3/8" (60.3 mm) 
D  1/2" (12.7 mm) 
E  1-1/4" (31.7 mm) 
F  1/4" NPT Both Ports 
G  27/32" (21.4 mm) 
H  4-1/8" (104.7 mm) 
I  3/4" (19.0 mm) 
J  1" (25.4 mm) 
K  1-3/4" (44.4 mm) 

Product Documentation

FS-926 Series
FS-926 Series - Download PDF
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