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APPLETON ELECTRICStraight Union - Conduit to Conduit

APPLETON ELECTRIC Straight Union - Conduit to Conduit: Aluminum, 1/2 in_3/4 in Trade Size

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

Brand
APPLETON ELECTRIC
Item
Straight Union - Conduit to Conduit: Aluminum, 1/2 in_3/4 in Trade Size
Category
Straight Union - Conduit to Conduit
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Technical Specifications

APPLETON ELECTRIC
Manufacturer Part Number
UNF75-50NR-A
Type
1/2 in_3/4 in Trade Size, Female to Female
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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

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.

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Straight Union - Conduit to Conduit: Aluminum, 3 in Trade Size, Female to Female (MPN UNF300R-A). Key specifications — attr26830: 3 in FNPT x 3 in FNPT; attr26825: Powder Coated; attr30436: APPLETON ELECTRIC.
Straight Union - Conduit to Conduit: Aluminum, 2 1/2 in Trade Size, Female to Female (MPN UNF250R-A). Key specifications — attr26830: 2-1/2 in FNPT x 2-1/2 in FNPT; attr26825: Powder Coated; attr30436: APPLETON ELECTRIC.
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Straight Union - Conduit to Conduit: Aluminum, 2 1/2 in Trade Size, Female to Female (MPN UNF250R-A). Key specifications — attr26830: 2-1/2 in FNPT x 2-1/2 in FNPT; attr26825: Powder Coated; attr30436: APPLETON ELECTRIC.
Straight Union - Conduit to Conduit: Aluminum, 1 1/2 in Trade Size, Female to Female (MPN UNF150NR-A). Key specifications — attr26830: 1-1/2 in FNPT x 1-1/2 in FNPT; attr26825: Powder Coated; attr30436: APPLETON ELECTRIC.
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Straight Union - Conduit to Conduit: Aluminum, 1 1/2 in Trade Size, Female to Female (MPN UNF150NR-A). Key specifications — attr26830: 1-1/2 in FNPT x 1-1/2 in FNPT; attr26825: Powder Coated; attr30436: APPLETON ELECTRIC.
Straight Union - Conduit to Conduit: Aluminum, 1 1/4 in Trade Size, Female to Female (MPN UNF125NR-A). Key specifications — attr26830: 1-1/4 in FNPT x 1-1/4 in FNPT; attr26825: Powder Coated; attr30436: APPLETON ELECTRIC.
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Straight Union - Conduit to Conduit: Aluminum, 1 1/4 in Trade Size, Female to Female (MPN UNF125NR-A). Key specifications — attr26830: 1-1/4 in FNPT x 1-1/4 in FNPT; attr26825: Powder Coated; attr30436: APPLETON ELECTRIC.
Straight Union - Conduit to Conduit: Aluminum, 1/2 in Trade Size, Female to Female (MPN UNF50NR-A). Key specifications — attr26830: 1/2 in FNPT x 1/2 in FNPT; attr26825: Plain; attr30436: APPLETON ELECTRIC.
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Straight Union - Conduit to Conduit: Aluminum, 1/2 in Trade Size, Female to Female (MPN UNF50NR-A). Key specifications — attr26830: 1/2 in FNPT x 1/2 in FNPT; attr26825: Plain; attr30436: APPLETON ELECTRIC.
Straight Union - Conduit to Conduit: Iron, 3 in Trade Size, Female to Female (MPN UNF300R). Key specifications — attr26830: 3 in FNPT x 3 in FNPT; attr26825: Powder Coated; attr30436: APPLETON ELECTRIC.
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Straight Union - Conduit to Conduit: Iron, 3 in Trade Size, Female to Female (MPN UNF300R). Key specifications — attr26830: 3 in FNPT x 3 in FNPT; attr26825: Powder Coated; attr30436: APPLETON ELECTRIC.
Straight Union - Conduit to Conduit: Aluminum, 1/2 in_3/4 in Trade Size, Female to Male (MPN UNY75-50NR-A). Key specifications — attr26830: 1/2 in FNPT x 3/4 in MNPT; attr26825: Plain; attr30436: APPLETON ELECTRIC.
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Straight Union - Conduit to Conduit: Aluminum, 1/2 in_3/4 in Trade Size, Female to Male (MPN UNY75-50NR-A). Key specifications — attr26830: 1/2 in FNPT x 3/4 in MNPT; attr26825: Plain; attr30436: APPLETON ELECTRIC.
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Straight Union - Conduit to Conduit: Iron, 1 1/4 in Trade Size, Female to Female (MPN UNF125NR). Key specifications — attr26830: 1-1/4 in FNPT x 1-1/4 in FNPT; attr26825: Electroplated; attr30436: APPLETON ELECTRIC.