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PNEUMATICS PRODUCTS
POSITION
DETECTORS
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PNEUMATICS PRODUCTS
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PNEUMATICS PRODUCTS
Pressure decay sensor
›
100 % pneumatic
Low force position detector
›
›
›
›
100 % pneumatic
Conforme à la nore DIN 41365 Forme A
Faible effort d'actionnement < 50 g à 6 bars
Pas de consommation permanente d'air
comprimé
Also available in
ATEX
version for use in poten-
tially explosive atmospheres in accordance with
94/9/EC Directive
Also available in
ATEX
version for use in poten-
tially explosive atmospheres in accordance with
94/9/EC Directive
Pressure decay sensor
81 504 025
Symbol
Function
NO
NC
81 290 501
-
-
81 290 001
Symbol
Characteristics
Operating pressure
Flow at 6 bars
Tripping point
with 6 bar supply
Connection
Operating temperature
Mechanical life
Weight
Connections
bar
NI/min
b
2
➞
8
200
0.3
Characteristics
Orifice diameter mm
Operating pressure
Flow at 4 bars
Activation force at 6 bars
Permissible fluids (air / inert gas)
Max/min
of fluid
temperatures operating
storage
Mechanical life at 6 bars
Response
on activation
time
on release
Barb connection for semi-rigid tubing
Weight
Principle of operation NC
Desactivated
bar
NI/min
N
°C
°C
°C
operation
ms
ms
g
2
3
➞
8
100
< 0,5
l
Sub-base page 54-55
°C
-5
➞
+50
≥
10
7
operations
25
g
Without flow restrictor
2
3
➞
8
100
< 0,5
l
With flow restrictor
Signal
when
cylinder
is in
Signal
when
cylinder
is out
-10
➞
+50
-10
➞
+60
-40
➞
+70
10
7
≤
15
≤
15
2.7 x 4
8.5
-10
➞
+50
-10
➞
+60
-40
➞
+70
10
7
≤
15
≤
15
2.7 x 4
8.5
Activated
S
(2)
(1)
Principle of operation
Fitted in-line between the cylinder and the
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
cylinder load is limited to 60% of the theore-
tical force.
Evolution of pressure within a double-acting cylinder
Pressure
in the cylinder
Circuit
pressure
Working pres-
sure
Operation accessories
Unless otherwise requested, flat and roller-ended levers
are supplied loose.
161 A
flat R 25.4
70 507 524
161 E
with roller R 24.1
70 507 529
Pressure
difference
Operation of
the sensor on a
fall in pressure
Dimensions
2.5 Course
2.5
Total travel
totale
Course totale
Tripping point
Position d'action
Position d'action
Position
Position repos
Rest point
repos
Exhaust
pressure
Cylinder
response time
Cylinder travel
time
End of stroke
Time
DIN 41635 Form A
161 A
R 25.4
±0.2
±0,2
161 E
R 24.1
±0.2
±0,2
6.3
6.3
4.3
4.3
Ø3
+0.05
Ø3
+0.05
+0.15
+0.15
30
3.8
3.8
30
2.4
R
2.4
R
R
R
3.4
Ø4.8
Ø4.8
8
8
5 11.811.8
14.714.7
3.2 3.2
16 16
10.310.3
Dimensions
81 504 025
20 20
3.4
5.8
5.8
12.95
12.95
22.2
22.2
3.4
3.9
3.9
ATEX
version products are available in the following catologues:
Pneumatic products for explosive atmospheres
or on our website
www.crouzet.com
ATEX
version products are available in the following catologues:
Pneumatic products for explosive atmospheres
or on our website
www.crouzet.com
10.710.7
3
+0.05
3
+0.05
+0.15
+0.15
5
16.516.5
Control valve Starting point
changeover of cylinder
0.5
0.5
3.4
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PNEUMATICS PRODUCTS
“Microvalve” series position detectors
“Microvalve” series position detectors
›
100 % pneumatic
›
100 % pneumatic
81 280
81 281
Version
Features
NO
NC
Symbol
NO
81 280 010
81 280 510
Horizontal output
81 281 010
81 281 510
Vertical output
-
81 283 510
Rear connection by screw
Features
Version
NC
Vertical output
Short lever
81 281 502
With ball
81 281 504
Roller trip
81 281 508
With roller
81 281 509
Threaded barrel Ø 16
Plunger
81 737 501
Symbol
NC
Characteristics
Operating pressure
Orifice diameter
Flow at 6 bars
Operating force at 6 bars
Effective travel
Push-in connection for
semi-rigid tubing (NFE 49100)
Operating temperature
Mechanical life
Weight
Dimensions
81 281 502
81 281 504
81 281 508
bar
mm
NI/min
N
mm
mm
°C
operat.
g
2
→
8
2.7
200
15
1
Ø4
-5
➞
+50
5 x 10
6
16
2
→
8
2.7
200
15
1
Ø4
-5
➞
+50
5 x 10
6
18
2
→
8
2.7
200
15
1
Ø4
-5
➞
+50
5 x 10
6
18
2
→
8
2.7
200
15
1
Ø4
-5
➞
+50
5 x 10
6
18
2
→
8
2.7
200
25
1
Ø4
-5
➞
+50
5 x 10
6
90
Characteristics
Operating pressure
Orifice diameter
Flow at 6 bars
Operating force at 6 bars
Effective travel
Push-in connection for
semi-rigid tubing (NFE 49100)
Operating temperature
Mechanical life
Weight
Principle of operation
bar
mm
NI/min
N
mm
mm
°C
operat.
g
2
→
8
2.7
200
15
1
Ø4
-5
➞
+50
5 x 10
6
14
NC
2
→
8
2.7
200
15
1
Ø4
-5
➞
+50
5 x 10
6
14
2
→
8
138
15
1
Ø4
-5
➞
+50
5 x 10
6
20
NO
Ball Ø 9
PFC
PRT
PR
PA
PR
Actuation positions :
PFC
PA
PRT
PR
:
:
:
:
End of travel position
Operating position (max output kV)
Release position (max. exhaust kV)
Rest position
81 281 509
81 737 501
Dimensions
81 281 010 - 81 281 510
81 280 010 - 81 280 510
81 283 510
2 nuts 21 mm across flat
18 mm
PR
o
PR
Max. fixing capacity
PR
Actuation positions :
PR
PR : Rest position
5,2
11,5 11,5
002645P2
PR
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PNEUMATICS PRODUCTS
"Miniature" series position detectors
›
100 % pneumatic
›
All metal
Part numbers
Version
Push-in connection for semi-rigid tubing
(NFE 49100)
Ø 4 silenced exhaust
M5 connectable exhaust
Ø 4 connectable exhaust
*
Ø 6 connectable exhaust
*
Ø 4 silenced exhaust
Ø 6 silenced exhaust
-
81 921 501
-
-
-
-
-
Simple plunger
81 921 701
-
-
-
-
-
Lever with plastic
roller
NC
81 921 702
-
-
-
-
-
Lever with roller
bearing
81 921 707
-
-
-
-
-
Lever with one-way
trip plastic roller
NC
-
81 921 806
-
-
-
-
Lever with plastic
roller
NC
NC
NO
Control
Symbol
NC
-
-
81 921 714
-
-
-
Lever with roller
bearing
-
-
-
81 921 719
81 921 911
81 921 901
Lever with plastic
roller
NC
-
-
-
81 921 717
81 921 912
81 921 902
Lever with roller
bearing
NO
Characteristics
Operating pressure
Orifice diameter
Flow at 6 bars
Actuation force at 6 bars
Circuit function : NC
Circuit function: NO
Connectable exhaust
Operating temperature
Mechanical life
Weight
Principle of operation
NC
NO
bar
mm
NI/min
N
0.1
→
8
2.7
200
18
l
0.1
→
8
2.7
200
18
l
0.1
→
8
2.7
200
18
l
0.1
→
8
2.7
200
18
l
0.1
→
8
2.7
200
18
l
0.1
→
8
2.7
200
18
l
0.1
→
8
2.7
200
18
l
l
l
0.1
→
8
2.7
200
18
l
l
l
-
°C
operations
g
-5
➞
+50
≥
10
7
62
-
-5
➞
+50
≥
10
7
75
Actuation travel
Vertical attack
Simple plunger
-
-5
➞
+50
≥
10
7
80
-
-5
➞
+50
≥
10
7
77
-
-5
➞
+50
≥
10
7
75
-
-5
➞
+50
≥
10
7
80
-5
➞
+50
≥
10
7
100
-5
➞
+50
≥
10
7
100
With lever
Horizontal actuating 30° cam (other angles of attack are also possible, 45° even 90°).
With lever
With lever
One-way trip lever
PA =
PO =
PA =
PRT =
PO =
PA =
Exhaust
Actuation positions :
Poppet
PA : Operating position (max output kV)
PFC : End of travel position
PO : Mid-position closed
(no exhaust, no outlet)
PRT : Release position
(max exhaust kV)
PR : Rest position
PRT =
PO =
PRT =
PR =
PFC =
PA =
PO =
PRT =
PA =
PO =
PFC =
PRT =
PR =
Dimensions
81 921 501
81 921 701 - 81 921 702
81 921 707
Horizontal actuating 30° cam (other angles of
attack are also possible, 45° even 90°).
81 921 806
81 921 714
PR =
81 921 717 - 81 921 719
81 921 901 - 81 921 902
81 921 911 - 81 921 912
6
44,5
36
25,5
26
13
Material: body zamak
*
with barb for tube Ø 2.7 x 4
Material: body zamak
Other configuration on demand
PR =
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PNEUMATICS PRODUCTS
"Compact” series position detectors
›
100 % pneumatic
›
All metal
Part numbers
Features
Version
Direct acting
81 922 401
Roller plunger with
unthreaded barrel
Rotary actuator
81 922 205
Right-hand rotary
head with roller
lever (CNOMO)
Rotary actuator
81 922 010
Programmable
rotary head wit-
hout lever
Rotary actuator
81 922 210
Programmable
rotary head wit-
hout lever
Rotary actuator
Detectors with levers
81 922 - 81 922 0 - 81 922 2
Symbol
Characteristics
BSP
push-in for semi-rigid tubing
mm
(NFE 49100)
Operating pressure
bar
Bore diameter
mm
Flow at 6 bars
Nm
3
/h
Activation force at 6 bars
daN
Circuit function: NC
Mechanical life
operations
Silenced or connectable (1/8) exhaust
Operating temperature
°C
Weight
g
Connection
-
Ø4
0.1
→
8
3
200
2.5
l
1/8
-
0.1
→
8
3
200
2.5
l
-
Ø4
0.1
→
8
3
200
2.5
l
1/8
-
0.1
→
8
3
200
2.5
l
Dimensions
81 922 401
22
- 0,1
Ø 11
Ø 11,6
3,4
+
79 452 123 - 79 452 124
42,5*
32,5*
79 452 133
37
> 10
7
> 10
l
7
> 10
7
l
l
> 10
7
l
Accessories
plastic
bearing
Lever with adjustable
plastic
roller
bearing
Adjustable steel rod lever
Lever with roller
Principle of operation
79
79
79
79
79
452
452
452
452
452
103
104
123
124
133
-5
➞
+50
150
-
-
-
-
-
-5
➞
+50
193
l
l
l
l
l
-5
➞
+50
175
l
l
l
l
l
-5
➞
+50
175
l
l
l
l
l
3
29,7
12,5
96
19
Exhaust
20
- 0,1
+
= =
16
2
Poppet
S
81 922 205 - 81 922 0 - 81 922 2
79 452 103 - 79 452 104
1
31
Vertical attack
Detectors with roller plunger with unthreaded barrel.
Horizontal attack
Detectors with roller plunger with unthreaded
barrel.
PRT
PO
PA
Line of attack
Actuation positions :
36*
Ø 18
25*
PFC
PRT
PA
PFC
PO
PRT
PR
:
:
:
:
:
Operating position (max output kV)
End of travel position
Mid-position closed (no exhaust, no outlet)
Release position (max exhaust kV)
Rest position
PO
PR
The detectors 81 922 010 and 81 922 210 can operate to both left and right.
Material: body zamak
Other configuration on demand
PA
18
49
21,5
R 120 max.
28,5
R = 47
23,5
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