Float Switch and Sensor Range
Float Switch and
Sensor Range
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Contents
Float Switches ......................................................................................................................................... 2
Float Switch Order Form..................................................................................................................... 3
Analogue Sensor: Submersible Level Transmitter for Fuel Storage ....................................................... 4
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Float Switches
Float Switches are available in the following styles:
•
As single switches for ‘High’ fuel level indication as shown
above, working in conjunction with
the FEL Valves range of Tank Overfill Alarms whereby an
audible and visual alarm is generated
by detection of a high fuel level within a tank using a
standard make on rise float switch
assembly. Also shown above is a ‘Bund’ float switch with
flexible lead, Ref 20-274.
•
Twin float switches, can provide ‘High’ and ‘Low’ switch
points for indirect pump start/pump stop
applications or to provide pre-set alarm indications, perhaps
for overfilling and fuel reorder
points.
•
Four float assemblies usually provide a combination of alarm and pump start/pump stop
functions, whereby the lower and upper floats give Low Low and High High indication.
Customers may choose between ‘Make on Rise’ or ‘Make on Fall’ switch orientation together
with the switch point dimensions taken from the top of the tank into which the float switches are
to be installed.
FEL Float switches are manufactured to a robust design, using stainless steel stem, floats and
float stops and a brass process connector with 1” BSPP male thread. The terminal housing is of
cast aluminium to IP67, whilst the internal switches have a standard rating of 1.0amp 230V ac.
The maximum switch depth is 3000mm.
Customers should also specify where float switches are to be used on inductive loads, as back
EMF protection may be required.
FEL float switches can be made suit individual customer requirements for switch rating,
orientation, switch depth and materials of construction, please enquire for further information.
FEL Valves Product Code
20-270
20-270/2
20-270/4
General Description
Single switch for High Fuel level Indication
usually at 200mm below top of tank.
Twin float switch assembly, customer to specify
switch point dimensions.
Four float switch assembly, customer to specify
switch point dimensions.
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Float Switch Order Form
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Analogue Sensor: Submersible Level Transmitter
for Fuel Storage
The quality and performance of our 20-983 Series Level Transmitters provides high stability,
and reliability in demanding environments.
Primary Applications
Fuel Level Indication for:
Power Generating Industry
Building Services
Process & Manufacturing
Our Level Sensors provide:
Wide measuring ranges
Corrosion Proof, moist proof, frost proof,
seepage prevention
Various signal output for industrial
standard, flexible calibration
High accuracy, excellent stability
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Specification
Range
Accuracy
Nonlinearity
Stability
Output
Excitation
Working Temperature
Compensated
temperature
Construction Material
Electric Connector
Protection Class
From: Zero to 0.1 bar... Zero to 5.0 bar H 2 O
0.5%FS
0.2%FS
0.2%FS/ Y
4-20mA(2 Wire),0-5V,0-10V(3 Wire)
24(12~36)VDC
-10~80℃
0~70℃
316 Stainless steel housing
Vented Cable, Immersion type
IP68
Electric Connection Mode
Output: 4-20mA
Function
Colour
Excitation+ Red
Signal+
Black
-----
Output: 0-10V, 0-5V
Function
Colour
Excitation+ Red
Signal
Blue
Common
White
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Did you know that we also supply the following –
Free Fall Fire Valves
Fill Point, Level Gauges, Controls
Motorised Valves
Pumps & Panels
Fuel Polishers
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