Diaphragm pressure switch EX-DNS series
differentialSPDTthreaded

diaphragm pressure switch
diaphragm pressure switch
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Characteristics

Technology
diaphragm
Pressure type
differential
Contact type
SPDT
Mounting
threaded
Process connection
G 1/4, G 1/2
Material
stainless steel, aluminum
Protection level
rugged, ATEX, IP65
Applications
for the chemical industry
Process temperature

Max.: 60 °C (140 °F)

Min.: -20 °C (-4 °F)

Pressure range

Max.: 25 bar (362.59 psi)

Min.: 0.03 bar (0.44 psi)

Burst pressure

Max.: 100 bar (1,450.38 psi)

Min.: 0 bar (0 psi)

Description

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 IP class - IP65 Housing material - rugged housing of seawater resistant aluminium die casting GD Al Si 12 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 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 Sensing element material - Stainless Steel Medium type - agressive liquid or gas Ex class - Ex-d Scale calibration - falling pressure Pressure sensor materials Pressure bellows and all parts in contact with medium. X 6 Cr Ni Mo Ti 17122 Material no. 1.4571 Mounting position Vertically upright Max. medium temperature The maximum medium temperature at the pressure sensor must not exceed the permitted ambient temperature at the switching device. Higher medium temperatures are possible provided the above limit values for the switching device are ensured by suitable measures (e.g. siphon)

Catalogs

Other Honeywell Environmental & Combustion Controls EMEA products

Pressure Switches, ATEX approved

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