Pressure switch (Ex-d) for aggressive liquid, gas (Ex-DNS / Ex-VNS)


Pressure switches of the DNS series and suitable for monitoring and controlling pressures in chemical plants, process engineering and any situationwhere the pressure of aggressive liqui sand gases must be monitored.

Datasheet
User Manual

For monitoring and controlling pressures in Ex-applications in devices of the chemical industry and in the process engineering as well as wherever the pressure of aggressive liquids and gases has to be monitored. Degree of Ex-protection: Ex II 2G Ex d e IIC T6 Gb and Ex II 1/2D Ex ta/tb IIIC T80 oC Da/Db

 

Kind of pressure overpressure, relative
Pressure connection internal thread G1/4, external thread G1/2
Electrical connection terminal connection M16x1,5
Protection class IP65
Housing material rugged housing of seawater resistant aluminium die casting GD Al Si 12
Media temp. -20 … 60 oC
Media temp. limit Higher temperatures are possible, provided that the limit is safeguarded by suitable measures (e.g. water tube trap, see Accessories for Pressure Switches / Transmitters)
Ambient temperature -20 … 60 oC
Ambient temp. limit at temperatures below 0 oC, ensure that no water condensation can arise in the sensor and in the switching device
Switch function/capacity SPDT Microswitch 250 Vac; capacity 2 A inductive, 3 A resistive
Certificates
IBExU12ATEX1040 according ATEX 2014/34/EU
IECEx IBE 14.0077
SIL2 according IEC 61508-2

 

Fixed pressure hysteresis
Pressure adjustment range Switching differential Max. pressure Type
bar bar bar
0.04 … 0.25 0.03 6 EX-DNS025
0.1 … 0.6 0.04 6 EX-DNS06
0.2 … 1.6 0.06 6 EX-DNS1
0.2 … 2.5 0.1 16 EX-DNS3
0.5 … 6 0.15 16 EX-DNS6
1 … 10 0.3 16 EX-DNS10
3 … 16 0.5 25 EX-DNS16
Description Additional Product Type
Syphon for high temperature, steel, U-shape (for more accessories, see Accessories for Pressure Switches / Transmitters) U430B  








Technical advice: 03303 / 50 40 66

Technical advice for this product


    In accordance with the General Data Protection Regulation (GDPR), we are obliged to inform you about the collection of data. We meet this obligation by referring to our privacy notice.



    Pressure switch (Ex-d) for aggressive liquid, gas (Ex-DNS / Ex-VNS)

    Pressure switches of the DNS series and suitable for monitoring and controlling pressures in chemical plants, process engineering and any situationwhere the pressure of aggressive liqui sand gases must be monitored.

    Datasheet
    User Manual

    For monitoring and controlling pressures in Ex-applications in devices of the chemical industry and in the process engineering as well as wherever the pressure of aggressive liquids and gases has to be monitored. Degree of Ex-protection: Ex II 2G Ex d e IIC T6 Gb and Ex II 1/2D Ex ta/tb IIIC T80 oC Da/Db

     

    Kind of pressure overpressure, relative
    Pressure connection internal thread G1/4, external thread G1/2
    Electrical connection terminal connection M16x1,5
    Protection class IP65
    Housing material rugged housing of seawater resistant aluminium die casting GD Al Si 12
    Media temp. -20 … 60 oC
    Media temp. limit Higher temperatures are possible, provided that the limit is safeguarded by suitable measures (e.g. water tube trap, see Accessories for Pressure Switches / Transmitters)
    Ambient temperature -20 … 60 oC
    Ambient temp. limit at temperatures below 0 oC, ensure that no water condensation can arise in the sensor and in the switching device
    Switch function/capacity SPDT Microswitch 250 Vac; capacity 2 A inductive, 3 A resistive
    Certificates
    IBExU12ATEX1040 according ATEX 2014/34/EU
    IECEx IBE 14.0077
    SIL2 according IEC 61508-2

     

    Fixed pressure hysteresis
    Pressure adjustment range Switching differential Max. pressure Type
    bar bar bar
    0.04 … 0.25 0.03 6 EX-DNS025
    0.1 … 0.6 0.04 6 EX-DNS06
    0.2 … 1.6 0.06 6 EX-DNS1
    0.2 … 2.5 0.1 16 EX-DNS3
    0.5 … 6 0.15 16 EX-DNS6
    1 … 10 0.3 16 EX-DNS10
    3 … 16 0.5 25 EX-DNS16
    Description Additional Product Type
    Syphon for high temperature, steel, U-shape (for more accessories, see Accessories for Pressure Switches / Transmitters) U430B  








    Technical advice: 03303 / 50 40 66

    Technical advice for this product


      In accordance with the General Data Protection Regulation (GDPR), we are obliged to inform you about the collection of data. We meet this obligation by referring to our privacy notice.



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