- Product Details
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Quick Details
-
Brand Name:
-
Original
-
Model Number:
-
QVE1900
-
Operating Temperature:
-
-20-+120 °C
-
Name:
-
Flow swith
-
Color:
-
Blue
-
Model:
-
QVE1900
-
Application:
-
heat pump and heating plants
-
warranty:
-
12months
-
Payment:
-
T/T,Western Union,online
Quick Details
-
Media Type:
-
Liquid
-
Flow Rate:
-
0.8-94.2m3/h
-
Place of Origin:
-
Germany
-
Brand Name:
-
Original
-
Model Number:
-
QVE1900
-
Operating Temperature:
-
-20-+120 °C
-
Name:
-
Flow swith
-
Color:
-
Blue
-
Model:
-
QVE1900
-
Application:
-
heat pump and heating plants
-
warranty:
-
12months
-
Payment:
-
T/T,Western Union,online
Flow switch
QVE1900
for liquids for piping DN 32…200
Use
In HVAC plants to monitor the flow of fluids in hydraulic systems, especially in refrigera
tion, heat pump and heating plants, e.g. for use with condensers, boilers, heat ex
changers, etc.
Mechanical design
The unit comprises a base with attached screw-in body R1 (refer to "Dimensions") and
cover.
The base houses the microswitch, transfer lever with adjusting screw (for switch
on/switch-off point), a paddle holder and an opening for the cable entry. Four paddles
of various lengths and attaching screws for mounting the paddles are enclosed.
The cover is secured to the base with two screws.
Flow switch
QVE1901
f
or liquids in piping DN 20…200.
•
Contact load / switching capacity: max. AC 230 V, 1 A, 26 VA
max. DC 48 V, 1 A, 20 W
•
Nominal pressure PN25
•
Manual setting of contact type (NO / NC)
•
Housing IP 65 / safety class II
•
Maintenance free
Mode of operation
Flow monitor of liquid medium in HVAC plants
in hydraulic systems, in particular, refrigeration, heat pump and heating
plants, e.g. for evaporators, boilers, heat exchangers, etc.
Mechanical design
The device records the flow of
monitored medium via a paddle system
(1), which has a permanent magnet
(2)
attached at its upper end. A reed
contact
(3) is positioned outside the
low above this magnet. A second
magnet
(4) with opposite polarity is
used to create a reset force.
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