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

3G Electric
RFQ CartGet a QuoteSign inSign up
Image not available
APPLETON ELECTRICStraight Union - Conduit to Conduit

APPLETON ELECTRIC Straight Union

The Appleton Electric Straight Union (MPN UNF75-50NR-A) is a conduit-to-conduit connector with a 1/2 in to 3/4 in trade size, female-to-female configuration. It features a 1/2 in FNPT x 3/4 in FNPT connection and a…

SKU 3G-OTH-806375

Also listed as: UNF7550NRA · UNF75 50NR A

Brand
APPLETON ELECTRIC
Item
Straight Union
Category
Straight 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
UNF75-50NR-A
Type
1/2 in_3/4 in Trade Size, Female to Female

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 Straight Union (MPN UNF75-50NR-A) is a conduit-to-conduit connector with a 1/2 in to 3/4 in trade size, female-to-female configuration. It features a 1/2 in FNPT x 3/4 in FNPT connection and a plain finish, constructed from aluminum.

Frequently Asked Questions

What is the Appleton Electric Straight Union UNF75-50NR-A used for?

This straight union connects two conduits of different trade sizes (1/2 in to 3/4 in) in industrial electrical systems. It is commonly used in plant wiring, panel installations, and conduit runs where a female-to-female aluminum adapter is needed for a secure, plain-finish connection.

What are the specifications of the Appleton Electric Straight Union UNF75-50NR-A?

The Appleton Electric Straight Union (MPN UNF75-50NR-A) has a 1/2 in to 3/4 in trade size, female-to-female configuration with 1/2 in FNPT x 3/4 in FNPT threads. It is made of aluminum with a plain finish, designed for conduit-to-conduit connections.

Where to buy the Appleton Electric Straight Union UNF75-50NR-A worldwide?

3G Electric supplies the Appleton Electric Straight Union UNF75-50NR-A to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this aluminum conduit union.

How to install the Appleton Electric Straight Union UNF75-50NR-A?

Installation involves threading the 1/2 in FNPT and 3/4 in FNPT ends onto matching conduit fittings. Apply thread sealant to ensure a watertight connection. Tighten by hand, then use a wrench for final torque—avoid overtightening to prevent damage to the aluminum body.

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
Not sure this is the right part? Photo-identify it→

APPLETON ELECTRIC Products

3G Electric supplies APPLETON ELECTRIC straight 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 →

More from APPLETON ELECTRIC

View all APPLETON ELECTRIC parts →
Straight union for joining two conduit runs end-to-end. Female-to-female FNPT connections on both ends, 3-inch trade size. Aluminum construction with powder-coated finish. Used in industrial electrical systems for extending conduit runs
APPLETON ELECTRIC
Straight union for joining two conduit runs end-to-end. Female-to-female FNPT connections on both ends, 3-inch trade size. Aluminum construction with powder-coated finish. Used in industrial electrical systems for extending conduit runs
Aluminum straight union with powder-coated finish. Female-to-female 2 1/2 in FNPT connections for joining two conduit runs end-to-end. Used in electrical conduit systems to provide a secure, grounded pathway for wiring
APPLETON ELECTRIC
Aluminum straight union with powder-coated finish. Female-to-female 2 1/2 in FNPT connections for joining two conduit runs end-to-end. Used in electrical conduit systems to provide a secure, grounded pathway for wiring
Straight union for connecting two conduit sections end-to-end. Features 1 1/2 in FNPT female threads on both ends. Constructed of aluminum with a powder-coated finish. Suitable for use in conduit systems requiring a threaded junction
APPLETON ELECTRIC
Straight union for connecting two conduit sections end-to-end. Features 1 1/2 in FNPT female threads on both ends. Constructed of aluminum with a powder-coated finish. Suitable for use in conduit systems requiring a threaded junction
Female-to-female straight union for joining two conduit sections end-to-end. Made of aluminum with a powder-coated finish. Trade size 1 1/4 in with FNPT threads on both ends. Used in electrical conduit systems to provide a continuous pathway for wiring
APPLETON ELECTRIC
Female-to-female straight union for joining two conduit sections end-to-end. Made of aluminum with a powder-coated finish. Trade size 1 1/4 in with FNPT threads on both ends. Used in electrical conduit systems to provide a continuous pathway for wiring
Straight union for joining two conduit ends in a straight line. Features female-to-female 1/2 in FNPT connections on both ends. Body is made of plain aluminum. Used in electrical conduit systems to extend or repair conduit runs
APPLETON ELECTRIC
Straight union for joining two conduit ends in a straight line. Features female-to-female 1/2 in FNPT connections on both ends. Body is made of plain aluminum. Used in electrical conduit systems to extend or repair conduit runs
Iron straight union with powder-coated finish. Female-to-female 3 in FNPT connections for joining two sections of rigid conduit. Used in electrical conduit systems to extend or repair conduit runs
APPLETON ELECTRIC
Iron straight union with powder-coated finish. Female-to-female 3 in FNPT connections for joining two sections of rigid conduit. Used in electrical conduit systems to extend or repair conduit runs
Aluminum straight union for connecting conduit sections. Features a 1/2 in FNPT x 3/4 in MNPT configuration with plain finish. Used to join female and male threaded conduits in electrical raceway systems
APPLETON ELECTRIC
Aluminum straight union for connecting conduit sections. Features a 1/2 in FNPT x 3/4 in MNPT configuration with plain finish. Used to join female and male threaded conduits in electrical raceway systems
Iron straight union with female-to-female connections for joining two conduit sections end-to-end. Features 1 1/4 in FNPT threads on both ends and an electroplated finish. Suitable for use in industrial electrical systems where conduit runs need to be extended or repaired
APPLETON ELECTRIC
Iron straight union with female-to-female connections for joining two conduit sections end-to-end. Features 1 1/4 in FNPT threads on both ends and an electroplated finish. Suitable for use in industrial electrical systems where conduit runs need to be extended or repaired