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M-100 Series Flow Switch0 pages
Adjustable Flow Switches
Adjustable flow switch
with right-angle flow
Features
• Field adjustable
• Infinite flow range
• For corrosive and non-corrosive liquids or
gases
• Extremely accurate and sensitive
• Low pressure drop
• All-Teflon® switch available
• Universal mounting available
The M-100 Series is an extremely sensitive flow switch. This has
been engineering to monitor vital sample flow parameters for
instrumentation in process control and inert blanket gases. It is
used as an auxiliary alarm monitor for flow meters and is ideally
suited for applications when installed on a by-pass for
determination of filter plugging.
Infinite adjustment permits detection and signaling of very low
fluid flows with the added capability of detection in high flows.
Operation
The magnetic piston rests at the bottom of the switch with no
flow present. Once flow is established, the piston moves upward
responding to a by-pass
flow and actuates the reed
switch. The by-pass flow is
controlled by a manual
adjusting screw controlling
the variable orifice. When
flow decreases, the piston
moves downward and the
reed switch deactuates.
Universal mounted units are
outfitted with a spring
Illustrated is the M-100
which resets the piston.
Model with 1/8” ports.
Custom Versions Available
Malema welcomes the opportunity to apply its flow sensor
experience to work for its customers. Please contact the factory
for any special requirements; such as ports, extreme temperature
and pressure capabilities, etc.
malema flow sensors
Applications
•
•
•
•
Gas and liquid analyzers
Atmosphere furnaces
CVD tools
Vacuum systems
Calibration Range *
Air:
50 - 60,000 scc/min
Water: 3 - 950 cc/min
* Maximum flows through switch are higher.
For higher flow settings, contact factory.
Specifications
Set Point Accuracy:
Repeatability:
Hysteresis:
±10% maximum
±1%
15%
Material Versions *
• Brass
• 316 Stainless Steel
• Teflon®
* Other materials available on request.
Port Sizes
• 1/8” FNPT
• 1/4” FNPT
Catalog # 230:
1
Adjustable Flow Switches
M-100 Series
