M-60X Explosion Proof Series switches0 pages
Non-Adjustable Flow Switches
M-60X Series
Explosion proof flow switch
with in-line flow
Features
• Well suited for corrosive and non-corrosive
gases or liquids
• UL recognized for hazardous locations
• Cenelec certified for intrinsic safety and
encapsulation
• Community Europe compliant
• Universal mounting available
The M-60X Explosion Proof Series low flow monitor switches
monitor increasing and decreasing flow. They utilize a single
moving part which responds to fluid (liquid or gas) flowing
within a system (universal mountable units are fitted with a
reset spring). These switches are suitable for a wide range of
applications in industrial, biomedical, and OEM products. The
flow monitors operate only when fluid is positively established.
Applications
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Gas panels
Sample flow monitoring
Purge flows
Pollution control monitors
Hazardous fluid systems
Gas seal monitors
Operation
Calibration Range *
Air:
25,000 - 55,000 scc/min
Water: 750 - 1,600 cc/min
* For lower and higher trip points contact factory.
Maximum flows through switch are higher.
Specifications
Set Point Accuracy:
Repeatability:
Hysteresis:
Non-Adjustable Flow Switches
The operating principle is based on a free floating magnetic
piston which responds only to the motion of fluids within the
line, not to static or system
pressures. In the presence of
fluid flow, controlled
movement of the piston
actuates an external
hermetically sealed reed
switch thus producing the
required signal. This signal
can be used to actuate
audible or visual alarms as
well as relays, or other
control. Piston travel is short
which insures low hysteresis.
Illustrated is the M-60X
Pressure drop across flow
Model with 1/4” ports.
switch varies from 0.035 to
2 psi (at maximum flow rates for air and for liquid). Universal
mounted units are outfitted with a spring which resets the piston.
The spring is held in place using an orifice disc.
±10% maximum
±2%
15%
• 316 Stainless Steel
* Other materials available on request; only the
316 SS is Cenelec Certified.
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
Port Sizes
• 1/4” FNPT
Catalog # 218:
1