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M-61-F Fixed Flow Switch
Brand: MalemaThe 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.
This switch can be used to actuate audible or visual alarms, as well as relays, or other controls.
Features- For corrosive and non-corrosive liquids or gases
- Senses increasing or decreasing flow
- Very accurate custom flow settings
- Hermetically sealed
- All-PFA molded body with PTFE piston
Specifications
Brand
Accuracy
- ± 10 %, Max.
Applications
- Alarm Actuation
- Laser Equipment
- Loss of Flow Protection
- Purge Flows
- Sample Flow Monitoring
- Semiconductor Etch Tools
Approvals & Certifications
- CE Directive 89/336/EEC
- Low Voltage Directive (LVD) 73/23/EEC
- UL (C,US)
Electrical Contacts
- Normally Closed
- Normally Open
Electrical Rating
- SPDT: 0.25 A, 0.5 A, 3 VA / W Resistive
- SPST: 0.5 A, 1.2 A, 10 VA / W Resistive
Enclosure, Body Material
- PFA
Flow Rate
- 0.43 to 0.54 Cv
- 20 to 1,600 CC/Min - Water
- 300 to 55,000 SCCM - Air
Hysteresis
- 15 % (Lower Hysteresis on Request)
Materials of Construction
- PFA
Maximum System Pressure
- psi: 200 (kPa: 1,379, bar: 13.8) - Max.
Media
- Gas
- Liquids
Mounting Position
- Horizontal
- Vertical
Piston Material
- PTFE Encapsulated
Port
- 1/4” Flare
- 3/8” Flare
Repeatability
- ± 2 %
Switch Type
- SPDT
- SPST
Temperature Range
- 104° C (220° F) - Max.
Wetted Materials
- PFA
- PTFE