Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
Dungs Pressure switch LGW 3 A2 P 0.4 - 3 Mbar - Gas Regulation
DungsGas Regulation

Dungs Pressure switch LGW 3 A2 P 0.4 - 3 Mbar

DUNGS pressure switch LGW 3 A2 P is a differential pressure switch for gas regulation applications, rated 0.4–3 Mbar with G 1/4 connection. Features 1 NC and 2 NO contacts per EN 1854, suitable for industrial gas…

SKU 3G-CBM-04037

Brand
Dungs
Item
Pressure switch LGW 3 A2 P 0.4 - 3 Mbar
Category
Gas Regulation
UNSPSC
40142201 — Gas regulators
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
standard
EN 1854
connection
G 1/4
contact type
1 NC, 2 NO
pressure range
0.4 - 3 Mbar

Technical Documents

(1)
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

DUNGS pressure switch LGW 3 A2 P is a differential pressure switch for gas regulation applications, rated 0.4–3 Mbar with G 1/4 connection. Features 1 NC and 2 NO contacts per EN 1854, suitable for industrial gas control systems.

Frequently Asked Questions

What is the DUNGS LGW 3 A2 P pressure switch used for?

The DUNGS LGW 3 A2 P is a differential pressure switch for gas regulation applications. It monitors differential pressure in heating, ventilation, and air conditioning systems, and is suitable for air, flue gases, exhaust gases, and non-aggressive gases (excluding industrial combustible gases). It complies with EN 1854.

What are the specifications of the DUNGS LGW 3 A2 P?

The DUNGS LGW 3 A2 P is a differential pressure switch with a pressure range of 0.4 to 3 Mbar. It has a G 1/4 connection and features 1 NC and 2 NO contacts per EN 1854. It includes an integrated test button and is rated as Class S according to EN 1854.

Where to buy the DUNGS LGW 3 A2 P in Singapore?

3G Electric supplies the DUNGS LGW 3 A2 P pressure switch to Singapore. We handle logistics, customs clearance, and delivery to your site. Contact our team for pricing and lead time on this gas regulation component.

How to install the DUNGS LGW 3 A2 P pressure switch?

Install the DUNGS LGW 3 A2 P by connecting the G 1/4 pressure port to the system. The setpoint is adjusted via the graduated dial. The integrated test button allows functional checking of the safety device. Ensure the switch is mounted in a clean, dry location and wired according to the contact configuration (1 NC, 2 NO).

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
Not sure this is the right part? Photo-identify it

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Pressure switch LGW 3 A4 0.4-3 Mbar
Dungs
Pressure switch LGW 3 A4 0.4-3 Mbar
Pressure switch LGW 50 A4 2.5 - 50 Mbar
Dungs
Pressure switch LGW 50 A4 2.5 - 50 Mbar
Pressure switch LGW 150 A4 30 - 150 Mbar
Dungs
Pressure switch LGW 150 A4 30 - 150 Mbar
Pressure switch LGW 50 A2 2.5 - 50 Mbar
Dungs
Pressure switch LGW 50 A2 2.5 - 50 Mbar
Pressure switch LGW 10 A4 1-10 Mbar
Dungs
Pressure switch LGW 10 A4 1-10 Mbar
Pressure switch LGW 10 A2 1-10 Mbar
Dungs
Pressure switch LGW 10 A2 1-10 Mbar

More from Dungs

View all Dungs parts
Pressure switch GW 150 A6 5-150 Mbar
Dungs
Pressure switch GW 150 A6 5-150 Mbar
Pressure switch GW 2000 A4 HP 0.4-2 bar
Dungs
Pressure switch GW 2000 A4 HP 0.4-2 bar
Pressure switch GW 10 A6 2-10 Mbar
Dungs
Pressure switch GW 10 A6 2-10 Mbar
Pressure switch GW 50 A6 5-50 Mbar
Dungs
Pressure switch GW 50 A6 5-50 Mbar
Pressure switch GW 150 A5
Dungs
Pressure switch GW 150 A5
MVD 507/5 3/4" valve
Dungs
MVD 507/5 3/4" valve
Valve block DMV-DLE 503/11
Dungs
Valve block DMV-DLE 503/11
Pressure switch GW 6000 A4/2 HP 1- 6 bar
Dungs
Pressure switch GW 6000 A4/2 HP 1- 6 bar

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first