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. This switch can be used to actuate audible or visual alarms, as well as relays, or other controls. The piston's movement can be seen through the PFA body.
M-62-F Series Fixed Set Point Flow Switches Features
- For corrosive and non-corrosive liquids or gases
- Senses increasing or decreasing flow
- Very accurate custom flow settings
- All PTFE/PFA switch with flare fittings
- Universal mounting available
M-62-F Series Fixed Set Point Flow Switches Applications
- Sample flow monitoring.
- Alarm actuation.
- Purge flows.
- Loss of flow protection.
- Semiconductor tools. etch
- Laser cooling equipment.
M-62-F Series Fixed Set Point Flow Switches Specifications
Body | PFA |
Wetted Parts | PTFE/PFA |
Maximum Operating (psig) | 60 |
Maximum Operating Temperature | 40°C |
Reed Switch Data (Electrical Ratings) | 10 Watts SPST or 3 Watts SPDT (Hermetically Sealed) UL Recognized. File E47258. |
Reed Switch | Operating Temperature -40ºC to 125ºC |
Switching Voltage | 200 VDC (170 VDC for SPDT) |
Breakdown Voltage | 200 VDC (200 VDC for SPDT) |
DC Resistive | 10 VA (3 VA for SPDT) |
AC Resistive | 10 Watts (3 VA for SPDT) |
Switching Current | 0.5 A (0.25 A for SPDT) |
Carrying Current | 1.2 A (0.5 A for SPDT) |
Lead Wires | No 24 to 18 AWG. 18" Length, Polymeric UL Recognized (Belden cable or special shielded cable is available) |
Lead Wires Color | SPST: 2 Blue Wires SPDT (3 Wires): Green - Common, Yellow - Normally Closed, Orange - Normally Open |
Flow Calibration | (Higher accuracy units available) |
Set Point Accuracy | 10% maximum |
Repeatability | ± 2% maximum |
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