We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
Dungs Regulator FRS 503 R 3/8" - Gas Regulation
DungsGas Regulation

Dungs Regulator FRS 503 R 3/8"

The Dungs FRS 503 R 3/8" is a gas regulator designed for industrial gas systems handling families 1, 2, and 3. It features a maximum inlet pressure of 500 mbar and G 1/4 ISO 228 connections, operating reliably across…

SKU 3G-CBM-04003

Brand
Dungs
Item
Regulator FRS 503 R 3/8"
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

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
FRS 503 R 3/8"
standards
EN 88, DIN 3380
connections
G 1/4 ISO 228
max inlet pressure
500 mbar
suitable gas families
1, 2, 3
ambient temperature range
-15 °C to +70 °C
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

The Dungs FRS 503 R 3/8" is a gas regulator designed for industrial gas systems handling families 1, 2, and 3. It features a maximum inlet pressure of 500 mbar and G 1/4 ISO 228 connections, operating reliably across -15 °C to +70 °C. Compliant with EN 88 and DIN 3380 standards.

Frequently Asked Questions

Where can I buy a Dungs FRS 503 R regulator in your region?

3G Electric is the authorized distributor. We deliver to your location, your location, and CALABARZON region. Lead time on request. We handle customs documentation and provide USD invoicing for seamless procurement.

What is the maximum inlet pressure of the Dungs FRS 503 R?

The Dungs FRS 503 R accepts a maximum inlet pressure of 500 mbar. It operates reliably from -15 °C to +70 °C and complies with EN 88 and DIN 3380 standards.

Is the Dungs FRS 503 R suitable for food processing applications?

Yes. The FRS 503 R regulates gas families 1, 2, and 3 with G 1/4 ISO 228 connections, making it suitable for food processing and packaging plant gas systems across your region.

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
Regulator FRS 507 R 3/4"
Dungs
Regulator FRS 507 R 3/4"
FRS 505 R 1/2" regulator
Dungs
FRS 505 R 1/2" regulator
Regulator FRS 510 R 1"
Dungs
Regulator FRS 510 R 1"
Regulator FRS 515 R 1"1/2
Dungs
Regulator FRS 515 R 1"1/2
Regulator FRS 520 R 2"
Dungs
Regulator FRS 520 R 2"
Valve MVD 503/5 3/8"
Dungs
Valve MVD 503/5 3/8"

More from Dungs

View all Dungs parts
Valve MBZRDLE 415 B01 S20
Dungs
Valve MBZRDLE 415 B01 S20
Valve MVD 2080/5 DN 220v
Dungs
Valve MVD 2080/5 DN 220v
Dungs
Dungs
Pink spring 100/150 MB for FRS 507
Yellow spring 30-70 MB for FRS 507
Dungs
Yellow spring 30-70 MB for FRS 507
Valve MVDLE 520/5 2"
Dungs
Valve MVDLE 520/5 2"
Valve block DMV-D 520/11
Dungs
Valve block DMV-D 520/11
Valve MVD 207/5 3/4" 230v 360mb
Dungs
Valve MVD 207/5 3/4" 230v 360mb
MVD 507/5 3/4" valve
Dungs
MVD 507/5 3/4" valve

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first