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BECK 911.81X Fark Basınç Şalteri, Fabrika Set Ayarlı gallery image 1
BECK 911.81X Fark Basınç Şalteri, Fabrika Set Ayarlı gallery image 1

BECK 911.81X Fark Basınç Şalteri, Fabrika Set Ayarlı

Adjustable differential pressure switch for monitor ing overpressure, vacuum and differential pressure of air or other non-combustible, non-aggressive gases. Possible fields of application include:
Monitoring air filters and ventilators
Overheating protection for fan heaters
Monitoring flows in ventilation ducts
Frost protection for heat exchangers

Versions

With this pressure switch without a scale the switching pressure can be adjusted very precisely with the central adjusting screw using a screwdriver and a pressure gauge. The switching differential can also be adjusted in the same way as for the Series 930.8x Climair

Switching pressure specifications apply to vertical installation. If the switches are installed horizontally, the switching values are approx. 20 Pa higher.
Maximum operating pressure
10 kPa for all pressure ranges.

Temperature range

Operating temperature from -20°C to +85°C. For EC Gas Appliances Directive is operating temperature from -20°C to +60°C.

Storage temperature from -40°C to +85°C.

Order matrix


Diaphragm material
Silicone. NBR available on request.

Pressure connections

2 pipe connection pieces (P1 and P2), external diameter 6.0 mm:

P1 for connection to higher pressure (designated +) P2 for connection to lower pressure (designated -)

Type

Adjustment range for

Switching

Tolerance for

upper switching

differential

upper and lower

pressure

set to

switching pressure

from     

to

911,811

20

100 Pa

10 Pa

± 10%

911,812

40

200 Pa

20Pa

± 10%

911,813

10

300 Pa

25 Pa

± 10%

911,814

200

500 Pa

50 Pa

± 10%