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PTFE Switches for Harsh Environments & High-Purity Applications
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RELATED PAGES: Floats | Relays & Controllers | Temp. Sensors | Reference
PTFE Switches for Harsh Environments & High-Purity Applications
Representative PTFE switches

Switch In-Time quick shipment program
Available for same-day shipment  All models designated with this logo are available for same-day shipment through Madison's Switch In-Time program. Click here for details and a full listing of models available through this quick shipment program.

 

M Series
PTFE Switches for Harsh Environments & High-Purity Applications

Madison Company has a complete line of level switches that offer all wetted polytetrafluorethylen (PTFE) materials. PTFE is a chemically inert material that offers exceptional performance when aggressive solvents such as alcohols, esters and ketones, or other corrosive acids and bases, oils, steam and most chemicals, are present in your application.

These M Series switches are ideal for medical, pharmaceutical and food or beverage applications where high-purity contact is essential. Other applications with stringent requirements, such as electronic component manufacturing, sterilization systems and those systems requiring biosafety performance standards of the liquid level switch, will find this Madison material capability suitable.

PTFE's characteristics are ideal for withstanding extreme operating temperatures, strenuous chemical environments and those applications where highly abrasive-resistant performance is required.

The switch's float is designed with an advanced chemically modified PTFE. While retaining the exceptional chemical properties of the conventional PTFE, superior thermal and mechanical properties have been introduced. This modified PTFE has also allowed some designs to be offered without the spring assist that is found in many heavier float designs.

With the highly reliable reed switch technology and the PTFE wetted material, these liquid level switches offer dependability over a long service life.

Features:
All PTFE wetted surfaces
Chemically inert
Low particulate generation
High purity reduces contamination
Standard and engineered liquid level designs available
Standard Models: Maximum
Temperature
Maximum
Pressure*
Float
SG
Fitting Switch
Rating
Available for same-day shipment M9200
150°C (302°F) 25 PSIG 0.69 1/8-27 NPT 60-Watt SPST
M9200-E 150°C (302°F)
25 PSIG
0.69 G 1/8 A 60-Watt SPST
Available for same-day shipment M9200-NO
150°C (302°F)
25 PSIG 0.69 1/8-27 NPT 60-Watt SPST
M9200-NO-E 150°C (302°F) 25 PSIG 0.69 G 1/8 A 60-Watt SPST
M9500 150°C (302°F) 40 PSIG 0.63 1/4-18 NPT 60-Watt SPST
M9500-E 150°C (302°F) 40 PSIG 0.63 G 1/4 A 60-Watt SPST
M9202-XXXX Multi-point switch with M9200 characteristics
M9502-XXXX Multi-point switch with M9500 characteristics
NO – Normally Open; SPST – Single Pole Single Throw
Notes:
– * Maximum pressure at 21°C.
– Lead wires are PTFE jacketed unless otherwise specified.
Material Approvals CE, FDA Regulation 21 CFR 177.1550, USP Class 6
All specifications are subject to change without notice.
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27 Business Park Dr., Branford, CT 06405 | 203-488-4477 | Fax: 203-481-5036
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