发布需求
广东SKYWEAL水流开关 Flow detection switches
FS Series Flow Switches
FS-133
G3/4 tube versions
Low flow version avAIlable in G 3/4 tube
Maximum Operating Pressure 10 bar
WRAS approved for use in cold and hot water up to 105oC
Temperature rated to105oC
These flow switches are designed for use
in liquid flow systems at pressures up to
10 bar and temperatures up to 105oC.
The design is based around a moving
magnet and a fixed reed switch with a low
flow restriction.
The switches are designed to be used in
liquids only and should not be used in
systems with significant amounts of solid particles.
Technical Specification
Material PA+GF
Colour Black
Temp. Range C -20 / +105
F -4 ./ +205
FS133A FS133B FS133C
Must operate flow rate* litres/min 2.0 0.90 3.75
US Gal/min 0.53 0.24 0.99
Must release flow rate # litres/min 0.3 0.25 1.40
US Gal/min 0.08 0.07 0.37
Cable 25cm PVC insulated
Electrical Specification
Contact Form N/O with no flow
Switching Power Max VA 10/50
Switching Voltage AC Max V 240
Switching Voltage DC Max V 120
Switching Current Max A 0.6
All ratings are for resistive lOAd only.
Standard Parts Must operate l/min Must release l/min Approv als
FS13AA 2.0 0.3 WRAS
FS133B 0.90 0.25 WRAS
FS133C 3.75 1.40 WRAS
Custom versions can be made for particular applications. Please contact Cynergy3 with your requirements.
* The switch will have operated (contacts close) when the flow rate rises above this value.
# The switch will have released (contacts open) when the flow rate falls below this value.
NB Operate and release flow rates only apply when the switch is mounted with the flow direction vertical. The
sensitivity of the switch is reduced when mounted with the flow direction horizontal.
Installation
Flow switches can be mounted with the flow direction horizontal or vertical (upward flow). The cap with cable
connection must always be upwards, as the piston is returned to its released position by gravity.
Custom versions can be made for particular applications. Please contact skyweal with your requirements
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