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W.E. Anderson div. of Dwyer Instruments F7 Vertical Level Switches
F7 Vertical Switches
F7 compact level switches combine low cost and reliability with fast, simple installation. Hermetically sealed reed switches are actuated by magnets permanently bonded inside the float and can be easily adapted to open or close a circuit on rising or falling levels. Vertical mount models are shipped with normally open switch contacts which close as the float rises toward the mounting threads. Reverse switch action by removing the float, rotating it end-for-end and replacing it on the stem. Vertical models mount internally, oriented within 30° of vertical, or select optional fittings for external mounting. Switch ratings are suitable for many solid state control systems and monitors or alarms. Simple relay interfaces can be used for higher current applications.

Models:

F7-SB - Stainless Steel Shaft / Buna-N Float
General Purpose Applications

F7-SS2 - Stainless Steel Shaft / Stainless Steel Float
Suitable for applications involving high temperature/pressure

F7-PP - Polypropylene Shaft / Polypropylene Float
Low Cost, Broad Chemical Compatibility

F7-BT - Polybutylene Terephthalate Shaft & Float
Suitable for Oils and Fuels
F7 Dimensions
Specifications
Model
Temp.
Limit
Pressure
Limit
Minimum
Specific
Gravity
Electrical
Rating
F7-SB 220°F
105°C
150 PSI
10 Bar
0.60
25VA: 1A @ 220VAC
F7-SS2 300°F
149°C
450 PSIG
31 Bar
0.75 25VA: 1A @ 200VAC
F7-PP 220°F
105°C
100 PSIG
7 Bar
0.60 30VA: 0.14A @ 220VAC
F7-BT
220°F
105°C
150 PSIG
10 Bar
0.45
30VA: 0.14A @ 220VAC


Contact Us!

ShermanInstruments
John Sherman Agencies Limited
1641 Venables Street
Vancouver, BC, Canada
V5L 2H1

Phone: 604-254-9622 or 877-251-9622 (toll free within Canada)
Fax: 604-254-3123

e-mail: info@johnsherman.com


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