Pressure switches for gas and air GW...A6   DUNGS

Application
Pressure monitoring in combustion, ventilation and air conditioning technologies. 
Suitable for gases of families 1,2,3 and other neutral gaseous media.
Approvals
EG type test approval as per EC Gas Appliance Directive:
GW...A6     CE-0085 AO 3220
EG type test approval as per EC Pressure Appliance Directive:
GW…A6     CE0036

Approvals in other important gas consumption countries.

 TÜV (German Technical Inspectorate) test as pressure switch; special construction type as per TRD 604 and VdTÜV leaflet, edition 100/1, as well as Class "S" as per EN 1854.

Functional description
Single-acting pressure switch in overpressure.
The pressure switches operate without any power supply.

Technical Data

Max. operating pressure
GW 3 A6 - GW 150 A6:  500mbar (50kPa)
GW 500 A6:  600mbar (60kPa)
Pressure connection
Standard: centrally on housing bottom, G 1/4 - inner thread as per ISO 228.
Special design: additionally G 1/4 - inner thread (side right)
Measuring connection
Test nipple integrated in metal housing ø9
Temperature range
Ambient temperature:  -15°C to +70°C
Medium temperature:  -15°C to +70°C
Storage temperature:   -30°C to +80°C
Materials
Housing:                 Aluminum die cast
Switch part:             Polyamide
Diaphragms:          NBR
Switching contact: Ag
Elektrical connection
Terminal connection for line sockets as per DIN EN 175 301-803, 3-pin, protection-insulated without ground connection.
Degree of protection     
 IP 54 as IEC 529 (EN 60529)

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