Norgren 18D Pressure Switch Datasheets User Manual
Technichal features
N/en 5.11.001.01
18D
Pneumatic pressure switch
electromechanically actuated
-1 ... 30 bar, G1/4, 1/4 NPT and flange
Our policy is one of continued research and development. We therefore reserve the right to amend,
without notice, the specifications given in this document. © 2013 Norgren GmbH
12/13
1998-5249c
Microswitch with gold plated contacts
High number of switching cycles
Vibration resistant to 15 g
Conforms to Low Voltage Directive 2006/95/EG
Intrinsically safe operation
Symbol
Pressure
range *1)
(bar)
Port size
Switching pressure difference-
Lower range Upper range
(bar)
(bar)
Max. over
pressure *2)
(bar)
Switching
cycles
(1/min)
Materials
pressure sensor
Housing Sealing
Weight
(kg)
Dimension
No.
Model
-1 ... 0
G1/4
0,15
0,18
80
100
AL
FPM *3)
0,2
1
0880100
-1 ... 1
G1/4
0,25
0,35
80
100
AL
FPM *3)
0,2
1
0880110
-1 ... 0
1/4 NPT
0,15
0,18
80
100
AL
FPM *3)
0,2
1
0880120
-1 ... 0
G1/4
0,15
0,18
80
100
AL
FPM *3)
0,2
1
0880126 *4) *6)
-1 ... 0
Flange
0,15
0,18
80
100
AL
FPM *3)
0,2
3
0881100
0,2 ... 2
G1/4
0,20
0,35
80
100
AL
FPM *3)
0,2
1
0880200
0,2 ... 2
1/4 NPT
0,20
0,35
80
100
AL
FPM
0,2
1
0880220
0,2 ... 4
G1/4
0,20
0,35
80
100
AL
FPM
0,2
1
0880226 *4) *6)
0,2 ... 2
Flange
0,20
0,35
80
100
AL
NBR
0,2
3
0881200
0,5 ... 8
G1/4
0,35
0,85
80
100
AL
NBR
0,2
2
0880300
0,5 ... 8
1/4 NPT
0,35
0,85
80
100
AL
NBR
0,2
2
0880320
0,5 ... 8
G1/4
0,35
0,85
80
100
AL
FPM
0,2
2
0880326 *4) *6)
0,5 ... 8
Flange
0,35
0,85
80
100
AL
NBR
0,2
3
0881300
1 ... 16
G1/4
0,40
1,20
80
100
AL
NBR
0,2
2
0880400
1 ... 16
1/4 NPT
0,40
1,20
80
100
AL
NBR
0,2
2
0880420
1 ... 16
G1/4
0,40
1,20
80
100
AL
FPM
0,2
2
0880426 *4) *6)
1 ... 16
Flange
0,40
1,20
80
100
AL
NBR
0,2
3
0881400
1 ... 30
G1/4
1,0
5,00
80
100
AL
NBR
0,2
2
0880600
1 ... 30
1/4 NPT
1,0
5,00
80
100
AL
NBR
0,2
2
0880620
*1) Setpoints should be ideally in the middle of the switching pressure range. Reference pressure = atmospheric pressure.
Switching pressure must not exceed the indicated values.
*2) Max. values
*3) Static seal: O-ring (NBR)
*4) LABS free
*6) Plug 0570110 not included, please order separately.
Technical data
Electrical connection acc. to DIN EN 175301-803, form A
Materials:
Housing: aluminium (brass)
Sealing: NBR/FPM
Medium:
For neutral, gaseous and liquid
fluids, non-combustible (Special
versions for water application)
Operation:
Diaphragm
Operating pressure range:
-1 ... 30 bar
Operating viscosity:
Up to 1000 mm
2
/s
Switching pressure difference:
Fixed
Repeatability:
±3% for vacuum
±4% of final value
(depending on regulating
pressure)
Switching element:
Microswitch with gold plated
contacts
Mounting position:
Optional
Degree of protection:
IP65 for DIN EN 175301-803
(DIN 43650) form A
IP67 for M12 x 1
Electrical connection:
DIN EN 175301-803 (DIN 43650)
form A or M12 x 1 IEC 947-5-2
Fluid-/Ambient temperature:
-10 ... +85°C (NBR)
0 ... +80°C (FPM)
Air supply must be dry enough
to avoid ice formation at
temperatures below +2°C.
Technichal features