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3G Electric
Dungs Regulator FRS 520 R 2" - Gas Regulation
DungsGas Regulation

Dungs Regulator FRS 520 R 2"

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…

SKU 3G-CBM-04008

Brand
Dungs
Item
Regulator FRS 520 R 2"
Category
Gas Regulation
UNSPSC
40142201 — Gas regulators
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

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.

Frequently Asked Questions

Where can I buy the Dungs FRS 520 R regulator in your region?

3G Electric supplies the Dungs FRS 520 R 2" gas regulator with delivery to your location. We handle all import customs clearance (customs) and logistics. Request a quote via our website or contact our sales team for lead times and USD pricing.

What is the lead time for the Dungs FRS 520 R regulator?

Lead time depends on current stock and origin availability. Contact 3G Electric for confirmed delivery schedule to your location. We manage all international shipping and customs documentation, so you receive the unit ready to install.

What gas families and pressure ranges does the FRS 520 R support?

The Dungs FRS 520 R supports gas families 1, 2, and 3 with a maximum inlet pressure of 500 mbar. Interchangeable springs (options 1–4+) deliver pressure ranges from 2.5 to 200 mbar. It meets EN 88 and DIN 3380 standards and includes G 1/4 ISO 228 measurement ports.

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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