Switch
Double Setting Differential Pressure Switch AT520-7DDS
Double Setting Differential Pressure Switch AT520-7DDS
AT520-7DDS double setting differential pressure switch adopts bellow as sensor, which can be used for neutral liquid and gas. Mainly used in nuclear power, chemical industry, shipping, metallurgy and other industries.
DETAIL
Model: AT520-7DDS
Introduction
AT520-7DDS double setting differential pressure switch adopts bellow as sensor, which can be used for neutral liquid and gas. Mainly used in nuclear power, chemical industry, shipping, metallurgy and other industries.
Features
■ OEM service
■ Adopts DPDT micro switch
■ Adjustable set point range 0.02 to 1.6MPa
■ Suitable for using in neutral liquid and gas
■ Adopts bellow as measuring elements
■ Protection level IP65
Main Specifications
▼Pressure connection
Material: Brass
Thread spec.: G1/4”(F)
Other thread specification is available made-to-order
▼Adjustable set point range
0.02~1.6MPa
For detail please refer to adjustable set point range (Fixed Dead Band) table
▼Dead band
Fixed dead band
For detail please refer to adjustable set point range (Fixed Dead Band) table
▼Applicable fluid
Neutral gas and liquid that compatible with pressure connection
▼Operating pressure
0.05~2.5MPa (Based on adjustable set point range)
▼Ambient temperature
-30°C to 50°C
▼Media temperature
0~100℃
▼Media viscosity
< 1 x 10-3m2/s
▼Vibration resistance
Max. 20m/s2
▼Protection level
IP65
Other Specifications
▼Installation
Bottom mount (15° of tilt is acceptable)
▼Case material
Die casting aluminum
▼Measuring elements
Bellow
Material: SS316L (Standard), other materials (Optional)
▼Switch type
DPDT micro switch
▼Switching frequency
10 times/min
▼Max. operating pressure
2 / 3MPa (Based on adjustable set point range)
▼Repeatability
≤1%
▼Synchronization error
≤0.5% (Synchronization error on lowswitching pressure difference value *3)
▼Contact rating
AC220V, 15A (Resistive 600VA)
▼Service life
2,000,000 cycles
▼Weight
About 1.6kg
▼Other requests (Option)
Third party notarized documents
Inspection report
Tag
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