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Kromschroder Pressure switch DG 50UG/4 - Burner Controls
KromschroderBurner Controls

Kromschroder Pressure switch DG 50UG/4

Kromschroder DG 50UG/4 is a pressure switch for gas and air pressure control in burner applications, certified to SIL 3 and PLe safety integrity levels. Built to EN 1854 standard with CE, FM, UL, AGA, and GOST-TR…

SKU 3G-CBM-04483

Also listed as: KRO 04220 · KRO-04220

Brand
Kromschroder
Item
Pressure switch DG 50UG/4
Category
Burner Controls
UNSPSC
40101833 — Boiler or heater igniter
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Technical Specifications

Kromschroder
model
DG 50UG/4
standard
EN 1854
application
gas and air pressure control
product type
pressure switch
certification
CE, FM, UL, AGA, GOST-TR
safety integrity
SIL 3, PLe
View Full Spec Sheet

Technical Documents

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

Product Description

Kromschroder DG 50UG/4 is a pressure switch for gas and air pressure control in burner applications, certified to SIL 3 and PLe safety integrity levels. Built to EN 1854 standard with CE, FM, UL, AGA, and GOST-TR certifications, it integrates into industrial combustion control systems.

Frequently Asked Questions

What is the Kromschroder DG 50UG/4 pressure switch used for?

The Kromschroder DG 50UG/4 is a pressure switch designed for gas and air pressure control in industrial burner applications. It monitors overpressure, underpressure, and differential pressure, and is suitable for use with biogas and in explosive atmospheres with approved isolating amplifiers.

What are the specifications of the Kromschroder DG 50UG/4?

The Kromschroder DG 50UG/4 is a pressure switch built to EN 1854 standard with safety integrity up to SIL 3 and PLe. It holds CE, FM, UL, AGA, and GOST-TR certifications, features internal locking and manual reset, and is RoHS compliant. A special variant is available for NH3 and O2.

Where to buy the Kromschroder DG 50UG/4 in Singapore?

You can source the Kromschroder DG 50UG/4 pressure switch through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this model.

How to install the Kromschroder DG 50UG/4 pressure switch?

Install the Kromschroder DG 50UG/4 by mounting it in a clean, dry location within the gas or air line. Connect the pressure ports according to the application—overpressure, underpressure, or differential. After installation, manually reset the internal locking mechanism and verify the setpoint per the datasheet.

Used in

Common applications for Kromschroder
Process-industry thermal oxidizers — BCU 370 with VAS automatic shut-off
Industrial ovens and dryers — IFS 110 ignition safety + CG motorised metering valves
Textile-dyeing plant gas heaters — DG gas pressure switches with IC 20 actuators
Ceramic and glass kilns — BCU series on modulating high-turndown gas trains
Retrofit swaps on European-designed burner racks (Dungs → Kromschröder variants)

Kromschroder Products

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

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