Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

APPLETON ELECTRIC Expansion Union - Conduit to Conduit: Steel, UNFL, 1/2 in Trade Size
APPLETON ELECTRICExpansion Union - Conduit to Conduit

APPLETON ELECTRIC Expansion Union - Conduit to Conduit: Steel, UNFL, 1/2 in Trade Size

The APPLETON ELECTRIC Expansion Union is a conduit-to-conduit fitting with a 1/2 in trade size and female-to-female configuration. It features 1/2 in FNPT x 1/2 in FNPT ends for hazardous locations and an…

SKU 3G-OTH-06040

Also listed as: UNFL 50 · UNFL-50

Brand
APPLETON ELECTRIC
Item
Expansion Union - Conduit to Conduit: Steel, UNFL, 1/2 in Trade Size
Category
Expansion Union - Conduit to Conduit
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 — 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

APPLETON ELECTRIC
Manufacturer Part Number
UNFL50
Type
- Conduit to Conduit: Steel, UNFL, Female to Female
Finish
Electroplated
Trade Size
1/2 in
Ends - Hazardous Fittings
1/2 in FNPT x 1/2 in FNPT

Technical Documents

No technical documents available for this product.
Request documentation
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

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

Product Description

The APPLETON ELECTRIC Expansion Union is a conduit-to-conduit fitting with a 1/2 in trade size and female-to-female configuration. It features 1/2 in FNPT x 1/2 in FNPT ends for hazardous locations and an electroplated finish. This steel union is identified by manufacturer part number UNFL50.

Frequently Asked Questions

What is the APPLETON ELECTRIC Expansion Union UNFL50 used for?

The APPLETON ELECTRIC Expansion Union UNFL50 connects two conduit runs in hazardous locations, allowing for thermal expansion and contraction. It is a steel, female-to-female fitting with 1/2 in FNPT ends, electroplated for corrosion resistance, and suitable for industrial electrical systems requiring a secure, code-compliant conduit joint.

What are the specifications of the APPLETON ELECTRIC Expansion Union UNFL50?

The APPLETON ELECTRIC Expansion Union UNFL50 has a 1/2 in trade size, female-to-female configuration, and 1/2 in FNPT x 1/2 in FNPT ends for hazardous fittings. It is made of steel with an electroplated finish. The manufacturer part number is UNFL50, and it is designed for conduit-to-conduit connections in demanding environments.

Where to buy the APPLETON ELECTRIC Expansion Union UNFL50 worldwide?

3G Electric supplies the APPLETON ELECTRIC Expansion Union UNFL50 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this fitting to any international destination.

How to install the APPLETON ELECTRIC Expansion Union UNFL50?

To install the APPLETON ELECTRIC Expansion Union UNFL50, thread the 1/2 in FNPT ends onto matching male conduit threads, using pipe joint compound on the threads for a seal. Tighten securely with wrenches, but avoid overtightening to prevent damage. Always follow local electrical codes and manufacturer guidelines for hazardous location fittings.

Used in

Common applications for APPLETON ELECTRIC
Oil and gas refineries — Appleton Electric EDSC21MC2 manual motor switch for controlling pumps in Class I, Division 1 areas
Chemical processing plants — Appleton Electric AEAB13420C hazardous location circuit breaker for motor protection in volatile environments
Pharmaceutical manufacturing — Appleton Electric FSK-1VDR weatherproof cover for duplex receptacles in washdown zones
Wastewater treatment facilities — Appleton Electric UNY250R-A aluminum conduit union for corrosion-resistant connections
Mining operations — Appleton Electric EDSC277-SA tandem 2-gang box for junction points in hazardous dust locations
Food and beverage processing — Appleton Electric JBK-75 iron cover for conduit access fittings in wet or dusty areas

APPLETON ELECTRIC Products

3G Electric supplies APPLETON ELECTRIC expansion union - conduit to conduit. 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
Expansion Union - Conduit to Box: Steel, Electroplated, UNY, 1/2 in Trade Size, Female to Male (MPN UNY50)
APPLETON ELECTRIC
Expansion Union - Conduit to Box: Steel, Electroplated, UNY, 1/2 in Trade Size, Female to Male (MPN UNY50)
Expansion Union - Conduit to Box: Steel, Electroplated, UNYL, 1/2 in Trade Size, Female to Male (MPN UNYL50)
APPLETON ELECTRIC
Expansion Union - Conduit to Box: Steel, Electroplated, UNYL, 1/2 in Trade Size, Female to Male (MPN UNYL50)
Expansion Union - Conduit to Box: Steel, Electroplated, UNYL, 1 in Trade Size, Female to Male (MPN UNYL100)
APPLETON ELECTRIC
Expansion Union - Conduit to Box: Steel, Electroplated, UNYL, 1 in Trade Size, Female to Male (MPN UNYL100)
Expansion Union - Conduit to Box: Steel, Electroplated, UNYL, 3/4 in Trade Size, Female to Male (MPN UNYL75)
APPLETON ELECTRIC
Expansion Union - Conduit to Box: Steel, Electroplated, UNYL, 3/4 in Trade Size, Female to Male (MPN UNYL75)
APPLETON ELECTRIC
APPLETON ELECTRIC
Expansion Union - Conduit to Box: Steel, Electroplated, UNY, 3/4 in Trade Size, Female to Male (MPN UNY75)
Expansion Union - Conduit to Box: Iron, Chromate Coated/Electroplated/Powder Coated, UNY (MPN UNY100)
APPLETON ELECTRIC
Expansion Union - Conduit to Box: Iron, Chromate Coated/Electroplated/Powder Coated, UNY (MPN UNY100)

More from APPLETON ELECTRIC

View all APPLETON ELECTRIC parts
Expansion Union - Conduit to Conduit: Steel, UNFL, 1 in Trade Size, Female to Female (MPN UNFL100)
APPLETON ELECTRIC
Expansion Union - Conduit to Conduit: Steel, UNFL, 1 in Trade Size, Female to Female (MPN UNFL100)
Expansion Union - Conduit to Conduit: Steel, UNF, 3/4 in Trade Size, Female to Female (MPN UNF75)
APPLETON ELECTRIC
Expansion Union - Conduit to Conduit: Steel, UNF, 3/4 in Trade Size, Female to Female (MPN UNF75)
Expansion Union - Conduit to Conduit: Steel, UNF, 1/2 in Trade Size, Female to Female (MPN UNF50)
APPLETON ELECTRIC
Expansion Union - Conduit to Conduit: Steel, UNF, 1/2 in Trade Size, Female to Female (MPN UNF50)
Expansion Union - Conduit to Conduit: Steel, UNF, 1 in Trade Size, Female to Female (MPN UNF100)
APPLETON ELECTRIC
Expansion Union - Conduit to Conduit: Steel, UNF, 1 in Trade Size, Female to Female (MPN UNF100)
Expansion Union - Conduit to Conduit: Steel, UNFL, 3/4 in Trade Size, Female to Female (MPN UNFL75)
APPLETON ELECTRIC
Expansion Union - Conduit to Conduit: Steel, UNFL, 3/4 in Trade Size, Female to Female (MPN UNFL75)