Is the Dungs Regulator FRS 520 R 2" available from 3G Electric?

Yes — 3G Electric supplies genuine Dungs products with in-stock availability on common SKUs and worldwide shipping.

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Does 3G Electric provide technical support for gas regulation?

Yes, our team of experienced engineers provides full technical support including product selection, installation guidance, commissioning, and after-sales service for all gas regulation we distribute.

Dungs Regulator FRS 520 R 2" - Gas Regulation

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DungsGas Regulation

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Dungs Regulator FRS 520 R 2"

SKU 3G-CBM-04008

Also listed as: GAZ 05012 · GAZ-05012

Brand

Dungs

Item

Regulator FRS 520 R 2"

Technical Specifications

Dungs

type

Gas pressure regulator 

model

FRS 520 R 

port size

2"

standards

EN 88, DIN 3380 

default spring

Blue spring #4 

spring options

Multiple (spring 1-4+ with pressure ranges 2.5-200 mbar) 

measurement ports

G 1/4 ISO 228 

compatible gas families

1, 2, 3 

max inlet pressure mbar

500

ambient temperature range c

-15 to +70 

h2s content max percent vol dry

0.1

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Dungs Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dungs FRS 520 R is a 2" gas pressure regulator designed for industrial gas applications, featuring a maximum inlet pressure of 500 mbar and compatible with gas families 1, 2, and 3. It includes interchangeable springs delivering pressure ranges from 2.5 to 200 mbar, suitable for process control and safety systems.

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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