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Dungs Pressure switch LGW 10 A4 1-10 Mbar - Gas Regulation
DungsGas Regulation

Dungs Pressure switch LGW 10 A4 1-10 Mbar

DUNGS LGW 10 A4 is a differential pressure switch for air, flue, and exhaust gases in heating systems, rated 1–10 mbar and certified to EN 1854. With IP 54 protection and G 1/4 overpressure connection, it suits gas…

SKU 3G-CBM-04039

Also listed as: GAZ 15025 · GAZ-15025

Brand
Dungs
Item
Pressure switch LGW 10 A4 1-10 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
LGW 10 A4
function
differential pressure switch for air, flue and exhaust gases
standard
EN 1854
application
heating systems, gas families 1, 2, 3
pressure range
1-10 mbar
protection class
IP 54
connection overpressure
G 1/4
connection underpressure
G 1/8

Datasheet Content

F NL E P FIN d'emploiDK Notice et de S en montageaan- Gebruiks- N Instrucciones de servicio Instruções de operação e montage wijzing y de montaje de montagem Pressostat différentiel pour air, Drukverschilschakelaar voor Presostato diferencial para aire, humos y Pressostato diferencial para ar, fumée et gaz brûlés, Contrôleur lucht, rook- en uitlaatgassen, gases de escape, Interruptor automático gases de fumo e combustão, Con- de surpression pour gaz overdrukschakelaar voor gas por aumento de la sobrepresión de gas trolador de pressão para gás LGW…A4, LGW…A4/2 LGW…A4, LGW…A4/2 LGW…A4, LGW…A4/2 LGW…A4, LGW…A4/2 Pressostat double dubbele druksensor Presostato doble Pressostato duplo LGW … / … A4 LGW .... / .... A4 LGW ... / ... A4 LGW ... / ... A4 Pression de service maxi. Température ambiante Max. bedrijfsdruk °C Omgevingstemperatuur Presión máxima de servicio +70 Temperatura ambiente Pressão de serviço máx. Temperatura ambiente pmax. = 500 mbar (50 kPa) 0 -15 –15 °C … +70 °C [mbar] Pressostat/drukschakelaar /Pre- Température du fluide sostato/Pressostato °C Mediumtemperatuur Typ/type/Modelo/Tipo +70 Temperatura del medio LGW…A4, LGW…A4/2 Temperatura do fluido selon /volgens/según la norma / segundo a 0 norme EN 1854 -15 –15 °C … +70 °C EN 1854 Plages de réglage Température de stockage Instelbereiken °C Opslagtemperatuur +80 30 – 150 mbar Gamas de ajuste Temperatura de almacenamiento 2,5 – 50 mbar Gamas de ajuste Temperatura para a armazenagem 0 –30 °C … +80 °C 1 – 10 mbar -30 0,4 – 3 mbar Contact Ag/Ag contact Protection / Afdichtingsnorm /Tipo de Contacto Ag/Contacto Ag protección / Grau de protecção ~(AC) eff., min./mini 24 V, LGW…A4 ~(AC) max. /maxi. 250 V IP 54selon/volgens/según la norma/segundo =(DC) min./mini. 24 V, =(DC) max. /maxi. 48 V IEC 529 (EN 60529) [V] IEC 529 LGW…A4/2 Contact Au/Au contact Contacto Au/Contacto Au IP 65 selon/volgens/según la norma/segundo =(DC) min./mini. 5 V, IEC 529 (EN 60529) =(DC) max. /maxi. 24 V courant nominal/Nominale stroom/ courant nominal/Nominale stroom/ Ag Intensidad nominal/Corrente nominal Au Intensidad nominal/Corrente ~(AC) 10 A nominal courant de commutation/schakels- =(DC) 20 mA troom /Intensidad de conmutación / courant de commutation/ [A] Corrente de comutação [A] schakelstroom /Intensidad EN 1854 ~(AC) eff., min./mini 20 mA, EN 1854 de conmutación /Corrente de ~(AC) max./maxi. 6 A cos ϕ = 1 comutação ~(AC) max./maxi. 3 A cos ϕ = 0,6 =(DC) min./mini. 5 mA =(DC) min./mini. 20 mA =(DC) max./maxi. 20 A =(DC) max./maxi. 1 A Position de montage α / Inbouwpositie / Posición de montaje / Posição de montagem Position de montage standard Standaard inbouwpositie Posición de montaje standard. Posição de montagem padrão Monté horizontalement, le pressostat commute à une pression d´environ 0,5 mbar plus élevée. Bij horizontale inbouw schakelt de drukschakelaar bij een ca. 0,5 mbar hogere druk. α En el caso del montaje horizontal, el presostato actúa aprox. 0,5 mbar por encima del valor nominal ajustado. Na montagem horizontal, o pressostato comuta a uma pressão de 0,5 mbar mais alta. α M/CD • Edition 02.10 • Nr. 223 907 Monté horizontalement à l´envers, le pressostat commute à une pression d´environ 0,5 mbar moins élevée. Bij inbouw omgekeerd horizontaal schakelt de drukschakelaar bij een ca. 0,5 mbar lagere druk. En el caso del montaje horizontal, cabeza abajo, el presostato se activa aprox. 0,5 mbar por debajo del valor nominal ajustado. Na montagem horizontal, acima da cabeça, o pressostato comuta a uma pressão de 0,5 mbar mais baixa. Monté dans une position intermédiaire, le pressostat commute à une pression d'un maximum de ± 0,5…
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Dungs Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

DUNGS LGW 10 A4 is a differential pressure switch for air, flue, and exhaust gases in heating systems, rated 1–10 mbar and certified to EN 1854. With IP 54 protection and G 1/4 overpressure connection, it suits gas regulation applications across families 1, 2, and 3.

Frequently Asked Questions

What is the Dungs LGW 10 A4 pressure switch used for?

The Dungs LGW 10 A4 is a differential pressure switch designed for air, flue, and exhaust gases in heating systems. It is certified to EN 1854 and suitable for gas families 1, 2, and 3, making it ideal for gas regulation applications.

What are the specifications of the Dungs LGW 10 A4?

The Dungs LGW 10 A4 has a pressure range of 1–10 mbar, IP 54 protection, and G 1/4 overpressure connection with G 1/8 underpressure connection. It operates at ambient and fluid temperatures from –15 °C to +70 °C, with a maximum service pressure of 500 mbar.

Where to buy the Dungs LGW 10 A4 in Singapore?

You can source the Dungs LGW 10 A4 from 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your location, ensuring a smooth procurement process for industrial gas regulation components.

How to install the Dungs LGW 10 A4 pressure switch?

Install the Dungs LGW 10 A4 with the overpressure connection at G 1/4 and underpressure at G 1/8. Ensure ambient temperature stays between –15 °C and +70 °C. Use appropriate sealing for IP 54 protection and follow EN 1854 guidelines for safe 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

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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