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参数资料
| 型号： | 81921806 |
| 厂商： | Crouzet USA |
| 文件页数： | 2/14页 |
| 文件大小： | 0K |
| 描述： | PNEUM POS DETECT N.C. LVR ROLLER |
| 其它有关文件： | Declaration of Conformity |
| 标准包装： | 1 |
| 系列： | * |
| 其它名称： | 81921806-ND 966-1321 |
Pressure decay sensor
■ 100
% pneumatic
Also available in ATEX version for use in poten-
tially explosive atmospheres in accordance with
94/9/EC Directive
Pressure decay sensor
Symbol
Characteristics
81 504 025
Operating pressure
Flow at 6 bars
Tripping point
with 6 bar supply
Connection
Operating temperature
Mechanical life
Weight
bar
NI/min
b
°C
operations
g
2 ? 8
200
0.3
Sub-base page 54-55
-5 ? +50
≥ 10 7
25
2
Connections
Without flow restrictor
Signal
when
cylinder
is in
Signal
when
cylinder
is out
With flow restrictor
Principle of operation
Fitted in-line between the cylinder and the
Evolution of pressure within a double-acting cylinder
control valve, the sensor will give an output
when the pressure in this line is exhausted
and the cylinder is at end of stroke.
For the correct usage of sensors on a falling
pressure, it is recommended that the practical
Pressure
in the cylinder
Circuit
pressure
Working pres-
sure
cylinder load is limited to 60% of the theore-
tical force.
Cylinder
response time
Pressure
difference
Exhaust
pressure
Cylinder travel
time
Operation of
the sensor on a
fall in pressure
Time
Control valve Starting point
changeover of cylinder
End of stroke
Dimensions
81 504 025
ATEX version products are available in the following catologues: Pneumatic products for explosive atmospheres or on our website
www.crouzet.com
22
www.crouzet.com
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