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Norgren 18D Pressure Switch Datasheets User Manual

Technichal features

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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