LGW A4: Differential pressure switches for air, flue and exhaust gases Pressure switch for gas. Max. Operating pressure: mbar. Approvals: EN Purchase GW 50 A4 Gas Pressure Switch or shop other A4 European Gas Pressure Switches and Karl Dungs Inc. products from All sales . Datasheet list for Pressure switch GW A4 Dungs for gas, air, flue gases and combustion products. — Pressure switch GW 50 A4 Ag-M-MS9-V0 st- se.

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HFSV – butterfly valve N.

Differential pressure switch LGW A4 Dungs

AV – 6 bar, one-stage N. The installation position can change the switching pressure with up to 0. LGV – mbar N. SV – mbar N. Accessories Manuals Datasheets Certificates.

Single-acting pressure switch in the overpressure range. Suitable for gases of rungs 1, 2, 3 and other neutral gaseous media, as well as air, flue gases and combustion products.

The switching mechanism responds to vacuum which switches an electric circuit on, off or over when the set value is exceeded or undershot.


Datasheet list GW A4 Dungs

LGV – mbar N. MV – 1 bar, one-stage N. LGW A4 Y are designed dunvs gas and have a yellow adjustment knob. Single-acting pressure switch in the low pressure range.

Pressure switch as per EN for burners. The switching mechanism reacts to overpressure and closes, opens or switches over a current circuit when the specified pressure setpoint is overshot or undershot. VR – mbar N.

LV-D – air valve N.

LV-D – air valve N. It is suitable for switching a circuit on, off or over on changes in actual pressure value relative to the set reference value. HSAV – semi-automatic N.

GW…A4, GW…A4/2: Gas and air pressure switch

HFSV – butterfly valve N. The test nipple is integrated in metal housings as standard. Pressure switch for applications involving excess pressure. ZR – two-stage, N. Suitable for closing, opening or switching over a current circuit when the actual pressure value deviates from the specified pressure setpoint.

GasMultiBloc MBsolenoid valvesdouble solenoid valvespressure switchesvalve proving systemspressure regulatorsgas and air filtersmotorised dumgs, actuatorsball valvesautomatic burner controlsWg GasBlocaccessories.


AV – 6 bar, one-stage N. The reference value switching point is adjusted on a setting wheel provided with a scale.

Dungs LGW50 A4 2.5-50 Differential Pressure Switch

The pressure switch operates without auxiliary power. The differential pressure acts via the diaphragm against the force of the setting spring on the microswitch. The switching mechanism responds to differential pressure which acts between the two pressure chambers.

ZR – two-stage, N.

Detailed pictures for available models move the mouse over them to zoom: VR – mbar N. LGW A4 can be used as differential pressure switches for air and as an over-pressure switch for gas.

Accessories Manuals Datasheets Certificates.

Free of non-ferrous metals, suitable for gases up to max. The installation position can change significantly the switching pressure. HSAV dunga semi-automatic N. The specified pressure setpoint operating point is set at a setting wheel using a scale.