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DUNGS GW...A4 HP - Pressure Switches for gas, air, flue
DungsPressure switch

DUNGS GW...A4 HP - Pressure Switches for gas, air, flue

Adjustable DUNGS Pressure Switches GW…A4 HP for monitoring pressure deviations. Suitable for air, flue, exhaust gases, hydrogen and gases of gas families 1, 2 and 3 in burner, ventilation and air-conditioning systems.

SKU 3G-OTH-02967

Also listed as: GWA4HP · GW A4 HP

Brand
Dungs
Item
GW...A4 HP - Pressure Switches for gas, air, flue
Part Number
GW-A4-HP
Category
Pressure switch
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Technical Specifications

Dungs
Manufacturer Part Number
GWA4

Technical Documents

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

Product Description

Adjustable DUNGS Pressure Switches GW…A4 HP for monitoring pressure deviations. 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 GW...A4 HP pressure switch used for?

The DUNGS GW...A4 HP pressure switch monitors pressure deviations in burner control systems. It is suitable for gases of gas families 1, 2, and 3, as well as air, flue gases, combustion products, and hydrogen. Applications include ventilation and air-conditioning systems.

What are the specifications of the DUNGS GW...A4 HP pressure switch?

The DUNGS GW...A4 HP is an adjustable pressure switch per EN 1854. It features IP 54 (clear cover) or IP 65 (metal housing) protection, a setting wheel with scale, and metal bellows. All gas-carrying parts are 1.4541 stainless steel, suitable for operating pressures above 600 mbar.

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

3G Electric supplies the DUNGS GW...A4 HP pressure switch to Singapore. We handle logistics, customs clearance, and delivery for your order. Contact us for availability and lead time on this high-pressure switch for gas, air, and flue gas applications.

How to install the DUNGS GW...A4 HP pressure switch?

Install the DUNGS GW...A4 HP pressure switch by connecting it to the pressure line via the metal bellows. Set the desired pressure setpoint using the setting wheel scale. Ensure the electrical circuit is wired correctly: as pressure rises, 1 NC opens and 2 NO closes. Follow local gas safety regulations.

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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