Description
Mechanical Pressure Switch (For Oil Mist
Type)
Model: AT****7
Series
Introduction
AT****7 series pressure switch adopts hermetically sealed
piston, which is specially designed for neutral gas contains oil
mist.
Adjustable set point range 0.3⋯*5 MPa.
Features
■ OEM service
■ Measuring elements adopt hermetically sealed piston
■ Adjustable set point range 0…0.3 to *5MPa
■ Fixed/adjustable/narrow fixed dead band types are available
for wide applications
■ Protection level IP*5
■ Explosion-proof type available (option)
Main Specifications
▼Type
Normal: AT****7D
Narrow dead band: AT****7DK
▼Pressure connection
Material: stainless steel
Thread: G1/4
▼Adjustable set point range
0.3...*5 MPa
For detail please refer to adjustable set point range
▼Dead band
Fixed/Adjustable/Narrow fixed dead band
For detail please refer to adjustable set point range
▼Applicable fluid
Neutral gas that compatible with stainless steel
▼Ambient temperature
*5 to *0°C
▼Fluid temperature
0 to *0°C
▼Vibration-proof performance
AT****7D: Max. *0m/s2
AT****7DK: Max. *0m/s2
▼Protection level
IP*5
Other Specifications
▼Installation
Bottom mount
▼Case
Die casting aluminum
▼Measuring elements
Piston
Piston body material▼
Copper alloy／SS**4
Piston case material▼
Brass
Piston sealing▼
NBR O-ring
▼Switch type
SPDT micro switch
▼Switching frequency
*0 times/min
▼Max operating pressure
*0MPa
▼Repeatability
≤2.5%
▼Contact rating
AC**0V, 6A (resistive load)
▼Service life
2,**0,**0 cycles
