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Dungs Pressure switch LGW 50 A4 2.5 - 50 Mbar - Gas Regulation
DungsGas Regulation

Dungs Pressure switch LGW 50 A4 2.5 - 50 Mbar

DUNGS LGW 50 A4 is a differential pressure switch for gas regulation applications, operating across 2.5–50 mbar and rated IP 54. It handles gas families 1, 2, 3, and neutral gases per EN 1854, serving safety and…

SKU 3G-CBM-04043

Brand
Dungs
Item
Pressure switch LGW 50 A4 2.5 - 50 Mbar
Category
Gas Regulation
UNSPSC
40142201 — Gas regulators
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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
type
Differential pressure switch
model
LGW 50 A4
standard
EN 1854
gas families
1, 2, 3 and other neutral gases
pressure range
2.5 - 50 mbar
protection class
IP 54
pressure connection overpressure
G 1/4
pressure connection underpressure
G 1/8

Technical Documents

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

Product Description

DUNGS LGW 50 A4 is a differential pressure switch for gas regulation applications, operating across 2.5–50 mbar and rated IP 54. It handles gas families 1, 2, 3, and neutral gases per EN 1854, serving safety and control functions in gas management systems.

Frequently Asked Questions

What is the DUNGS LGW 50 A4 pressure switch used for?

The DUNGS LGW 50 A4 is a differential pressure switch used in gas regulation systems for heating, ventilation, and air conditioning installations. It monitors pressure differentials to control or safety-interlock gas burners, ensuring safe operation with gas families 1, 2, 3, and neutral gases per EN 1854.

What are the specifications of the DUNGS LGW 50 A4?

The DUNGS LGW 50 A4 is a differential pressure switch with a pressure range of 2.5–50 mbar, IP 54 protection, and pressure connections of G 1/4 for overpressure and G 1/8 for underpressure. It complies with EN 1854 and is suitable for gas families 1, 2, 3, and other neutral gases.

Where to buy the DUNGS LGW 50 A4 in Singapore?

You can source the DUNGS LGW 50 A4 through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this differential pressure switch for gas regulation applications.

How to install the DUNGS LGW 50 A4 pressure switch?

Install the DUNGS LGW 50 A4 by connecting the overpressure line to the G 1/4 port and the underpressure line to the G 1/8 port. Do not block either port. Adjust the setpoint using the graduated dial. Ensure the switch is mounted in a dry location and wired according to local electrical codes.

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 gas regulation. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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