Logic elements
Part numbers
Functions
Version
OR
AND
YES
NOT
81 521 501
-
-
-
On sub-base page
5/44 - 5/45
81 540 001
-
-
-
Plug-in
Ø 5/32˝
(4mm)
81 540 004
-
-
-
Plug-in
Ø 5/32˝
(4mm)
81 522 501
-
-
On sub-base page
5/44 - 5/45
1
Symbol
Characteristics
Push-in connection for semi-rigid
tubing (NFE 49100) O.D.
Color
Operating pressure
Orifice diameter
Flow at 90 PSI (6 bars)
Pressure indicator
Switching time
Operating temperature
Mechanical life
Weight
Pilot/pressure curves
Male/Female/Female
Female/Female/Female
psi
(bar)
inches
(mm)
cfm
(Nl/min)
ms
°F
(°C)
cycles
grams
-
-
Blue
30 > 120
0.106˝
6
(2 > 8)
(2.7)
(170)
Ø 5/32˝
(4 mm)
-
Blue
30 > 120
(2 > 8)
0.106˝
(2.7)
6
(170)
●
-
-
-
+20 > +120
(-5 > +50)
+20 > +120
(-5 > +50)
10 million
25
12
-
Ø 1/4˝
(6.35 mm)
Blue
30 > 120
(2 > 8)
0.157˝
(4)
7
(200)
-
-
+20 > +120
(-5 > +50)
10 million
25
-
-
Green
30 > 120
0.106˝
6
●
(2 > 8)
(2.7)
(170)
-
+20 > +120
(-5 > +50)
10 million
25
P.p : Pilot pressure
P.a : Supply pressure
Principle of operation
OR element
The output signal “S” is present when a signal at
“a” OR “b” is present
S = a OR b
S=a+b
AND element
The output signal “S” is present only when signals
“a” AND “b” are present simultaneously.
S = a AND b
S=a.b
Dimensions
81 521 501 - 81 522 501
1-1/16"
(28)
1-1/4"
(32)
81 540 004 - 81 541 010
11/16"
(15,5)
1-1/4"
(30.7)
13/32"
(10,7)
81 540 001 - 81 541 001
5/32" dia.
(Ø 4)
1"
(24)
1-5/8"
(40)
7/16"
(11)
3/32" dia. hole
(0 4,5)
M4
0.590"
(15)
0.905"
(23)
9/16"
(14,5
0.1
)
1-1/8"
(29
0.1
)
(25)
1"
1-5/8"
(40)
7/16"
(11)
Use
(metric)
dimensions for critical data.
Other information
See page 4/8 for mounting plan for logic elements.
Products and specifications subject to change without notice.
Order/Technical Support – Tel: (800) 677-5311 / FAX: (800) 677-3865 / www.crouzet-usa.com
5/36
1
-
81 541 001
-
-
Plug-in
Ø 5/32”
(4)
-
-
81 501 025
-
Standard
On sub-base
page 5/44 - 5/45
-
-
81 501 065
-
Manual
override
On sub-base
page 5/44 - 5/45
-
-
81 503 025
-
Low-ratio
On sub-base
page 5/44 - 5/45
-
-
-
81 504 025
Standard and
inhibition
On sub-base
page 5/44 - 5/45
-
-
-
81 506 025
Low-ratio
On sub-base
page 5/44 - 5/45
Ø 5/32˝
(4 mm)
-
-
-
Yellow
30 to 120
(2 to 8)
0.106˝
(2.7)
6
(170)
●
-
-
Yellow
30 to 120
(2 to 8)
0.106˝
(2.7)
6
(170)
●
-
-
Orange
30 to 120
(2 to 8)
0.106˝
(2.7)
6
(170)
●
Green
30 > 120
(2 > 8)
0.106˝
(2.7)
5-1/4
(150)
-
-
+20 > +120
(-5 > +50)
10 million
13
-
-
Light grey
30 to 120
(2 to 8)
0.106˝
(2.7)
6
(170)
●
-
-
Dark grey
30 to 120
(2 to 8)
0.106˝
(2.7)
6
(170)
●
<4
+20 > +120
(-5 > +50)
10 million
30
PSI
75 (5)
60 (4)
45 (3)
30 (2)
15 (1)
<4
+20 > +120
(-5 > +50)
10 million
35
PSI
75 (5)
60 (4)
45 (3)
30 (2)
15 (1)
<4
+20 > +120
(-5 > +50)
10 million
30
PSI
75 (5)
60 (4)
45 (3)
30 (2)
15 (1)
<4
+20 > +120
(-5 > +50)
10 million
30
PSI
75
60
45
30
15
<4
+20 > +120
(-5 > +50)
10 million
30
(5)
(4)
(3)
(2)
(1)
(2) (4) (6) (8)
30 60 90 120
(2) (4) (6) (8)
30 60 90 120 PSI
(2) (4) (6) (8)
30 60 90 120 PSI
(2) (4) (6) (8)
30 60 90 120 PSI
PSI
YES element
The output signal “S” is only present when the
pilot is present :
S = a YES b
S=a
NOT element
The output signal “s” is present only if the input signal
“a” is NOT present. The output signal is therefore the
inverse of the pilot signal.
S= NOT a
S=a
If the supply port is connected to a 2nd input “b”, the
function obtained is called Inhibition.
S = NOT a AND b
S=a.b
81 501 025 - 81 503 025
81 504 025 - 81 506 025
1-1/4"
(32)
M4
1-1/16"
(28)
81 501 065
M4
0.905"
(23)
1-1/4"
(32)
0.590"
(15)
1"
(25)
0.590"
(15)
0.905"
(23)
(25)
1"
1-7/16"
(36)
Use
(metric)
dimensions for critical data.
To order, specify :
Standard products
Standard products,
non stocked
Part number
Example : Logic elements 81 521 501
1
5
Products and specifications subject to change without notice.
Order/Technical Support – Tel: (800) 677-5311 / FAX: (800) 677-3865 / www.crouzet-usa.com
5/37
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