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DUNGS GGW...A4 - Pressure Switches for gas, air, flue, exhaust gases and hydrogen
DungsPressure switch

DUNGS GGW...A4 - Pressure Switches for gas, air, flue, exhaust gases and hydrogen

Adjustable DUNGS Pressure Switches GGW…A4 for monitoring overpressure, underpressure or differential pressure. Suitable for air, flue, exhaust gases, hydrogen and gases of gas families 1, 2 and 3 in burner…

SKU 3G-OTH-02965

Also listed as: GGWA4 · GGW A4

Brand
Dungs
Item
GGW...A4 - Pressure Switches for gas, air, flue, exhaust gases and hydrogen
Part Number
GGW-A4
Category
Pressure switch
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Dungs
Manufacturer Part Number
GGWA4

Technical Documents

(1)
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3G Electric (S) Pte. Ltd. — Singapore

Product Description

Adjustable DUNGS Pressure Switches GGW…A4 for monitoring overpressure, underpressure or differential pressure. Suitable for air, flue, exhaust gases, hydrogen and gases of gas families 1, 2 and 3 in burner, ventilation and air-conditioning systems.

Frequently Asked Questions

What is the DUNGS GGW...A4 pressure switch used for?

The DUNGS GGW...A4 is an adjustable differential pressure switch used to monitor overpressure, underpressure, or differential pressure in burner, ventilation, and air-conditioning systems. It is suitable for air, flue gases, exhaust gases, hydrogen, and gas families 1, 2, and 3.

What are the specifications of the DUNGS GGW...A4 pressure switch?

The GGW...A4 is a gas differential pressure switch per EN 1854 for automatic burner controls. It features a metal housing with an integrated test nipple, a setting wheel with scale, and pressure connections G 1/4 (+) and G 1/8 (-). It operates without outside power and is suitable for gases up to 0.1 vol % H2S.

Where to buy the DUNGS GGW...A4 pressure switch in Singapore?

3G Electric supplies the DUNGS GGW...A4 pressure switch to customers in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this adjustable differential pressure switch for gas and air applications.

How to select the correct DUNGS GGW...A4 pressure switch model?

Select the GGW...A4 for overpressure applications where the lower pressure is at excess pressure relative to atmosphere. Use the GGW...A4-U for underpressure ranges. The switching point is adjusted via the setting wheel. Ensure the pressure connections G 1/4 and G 1/8 are not closed during operation.

Used in

Common applications for Dungs
Industrial steam boilers — MB-ZRDLE MultiBloc on modulating gas-fired plant
Hospital and hotel plant rooms — MB-D series for two-stage commercial burners
Food-industry ovens and dryers — DMV butterfly valves on high-turndown modulating lines
Petrochemical gas-train skid assemblies — FRS / FRSBV regulators with GW pressure switches
Retrofit drop-in replacements for older Dungs MB assemblies on existing Weishaupt / Riello burners
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Dungs Products

3G Electric supplies Dungs pressure switch. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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