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
KILLARK Al Union: Aluminum, 3 1/2 in Trade Size - Straight Union - Conduit to Conduit
KILLARKStraight Union - Conduit to Conduit

KILLARK Al Union: Aluminum, 3 1/2 in Trade Size

The KILLARK UNY350AL is an aluminum straight union for conduit-to-conduit connections, with a 3 1/2 in trade size and male-to-female configuration. It features a 3-1/2 in FNPT x 3-1/2 in MNPT connection and an…

SKU 3G-OTH-806437

Brand
KILLARK
Item
Al Union: Aluminum, 3 1/2 in Trade Size
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

Technical Specifications

KILLARK
Manufacturer Part Number
UNY350AL
Type
Male to Female
Trade Size
3 1/2 in
View Full Spec Sheet

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

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

Product Description

The KILLARK UNY350AL is an aluminum straight union for conduit-to-conduit connections, with a 3 1/2 in trade size and male-to-female configuration. It features a 3-1/2 in FNPT x 3-1/2 in MNPT connection and an unfinished finish.

Frequently Asked Questions

What is the KILLARK UNY350AL aluminum union used for?

The KILLARK UNY350AL is a straight union for connecting two conduit sections in industrial electrical systems. Its 3 1/2 in trade size and male-to-female configuration make it suitable for rigid conduit runs in hazardous or corrosive environments where aluminum's lightweight, non-sparking properties are required.

What are the specifications of the KILLARK UNY350AL?

The KILLARK UNY350AL has a 3 1/2 in trade size, with a 3-1/2 in FNPT x 3-1/2 in MNPT connection. It is made of aluminum with an unfinished finish, and the manufacturer part number is UNY350AL. This straight union is designed for conduit-to-conduit connections in industrial settings.

Where to buy the KILLARK UNY350AL worldwide?

3G Electric supplies the KILLARK UNY350AL aluminum union 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 straight union for your conduit system.

How to install a KILLARK UNY350AL aluminum union?

To install the KILLARK UNY350AL, thread the male NPT end into a female conduit hub or coupling, then connect the female NPT end to a male conduit thread. Use a pipe wrench on the union's hex body; avoid overtightening. Apply thread sealant compatible with aluminum to ensure a leak-proof, grounded connection.

Used in

Common applications for KILLARK
Oil and gas refineries — KILLARK NV2IG15ASG incandescent light fixtures for Class I, Div 2 areas with Group A, B, C, D gases
Chemical processing plants — KILLARK EMI20A2G fixtures for Class II, Div 1 and 2 dust environments with Group E, F, G
Grain elevators — KILLARK EY-75WW aluminum sealing fittings for vertical conduit runs in dust-ignition-proof installations
Pharmaceutical manufacturing — KILLARK NV2IG15XSG ceiling-mount lights for Class I, Div 2 clean rooms with volatile solvents
Wastewater treatment facilities — KILLARK EMI20B2G wall-mount fixtures for Class I, Div 1 and 2 areas with methane gas
Mining operations — KILLARK EY-50WW iron sealing fittings for vertical conduit sealing in underground classified zones

KILLARK Products

3G Electric supplies KILLARK 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 KILLARK

View all KILLARK parts →
Al Union: Aluminum, 2 1/2 in Trade Size, Male to Female (MPN UNY250AL). Key specifications — attr26830: 2-1/2 in FNPT x 2-1/2 in MNPT; attr26825: Unfinished; attr30436: KILLARK.
KILLARK
Al Union: Aluminum, 2 1/2 in Trade Size, Male to Female (MPN UNY250AL). Key specifications — attr26830: 2-1/2 in FNPT x 2-1/2 in MNPT; attr26825: Unfinished; attr30436: KILLARK.
Steel Union: Steel, 3/4 in Trade Size, Male to Female (MPN UNY75). Key specifications — attr26830: 3/4 in FNPT x 3/4 in MNPT; attr26825: Zinc Plated; attr30436: KILLARK.
KILLARK
Steel Union: Steel, 3/4 in Trade Size, Male to Female (MPN UNY75). Key specifications — attr26830: 3/4 in FNPT x 3/4 in MNPT; attr26825: Zinc Plated; attr30436: KILLARK.
Steel Union: Steel, 3 in Trade Size, Female to Female (MPN UNF300). Key specifications — attr26830: 3 in FNPT x 3 in MNPT; attr26825: Zinc Plated; attr30436: KILLARK.
KILLARK
Steel Union: Steel, 3 in Trade Size, Female to Female (MPN UNF300). Key specifications — attr26830: 3 in FNPT x 3 in MNPT; attr26825: Zinc Plated; attr30436: KILLARK.
Steel Union: Steel, 2 1/2 in Trade Size, Male to Female (MPN UNY250). Key specifications — attr26830: 2-1/2 in FNPT x 2-1/2 in MNPT; attr26825: Zinc Plated; attr30436: KILLARK.
KILLARK
Steel Union: Steel, 2 1/2 in Trade Size, Male to Female (MPN UNY250). Key specifications — attr26830: 2-1/2 in FNPT x 2-1/2 in MNPT; attr26825: Zinc Plated; attr30436: KILLARK.
Al Union: Aluminum, 1/2 in Trade Size, Female to Female (MPN UNF50AL). Key specifications — attr26830: 1/2 in FNPT x 1/2 in MNPT; attr26825: Unfinished; attr30436: KILLARK.
KILLARK
Al Union: Aluminum, 1/2 in Trade Size, Female to Female (MPN UNF50AL). Key specifications — attr26830: 1/2 in FNPT x 1/2 in MNPT; attr26825: Unfinished; attr30436: KILLARK.
Steel Union: Steel, 2 1/2 in Trade Size, Female to Female (MPN UNF250). Key specifications — attr26830: 2-1/2 in FNPT x 2-1/2 in MNPT; attr26825: Zinc Plated; attr30436: KILLARK.
KILLARK
Steel Union: Steel, 2 1/2 in Trade Size, Female to Female (MPN UNF250). Key specifications — attr26830: 2-1/2 in FNPT x 2-1/2 in MNPT; attr26825: Zinc Plated; attr30436: KILLARK.
Al Union: Aluminum, 1 in Trade Size, Female to Female (MPN UNF100AL). Key specifications — attr26830: 1 in FNPT x 1 in MNPT; attr26825: Unfinished; attr30436: KILLARK.
KILLARK
Al Union: Aluminum, 1 in Trade Size, Female to Female (MPN UNF100AL). Key specifications — attr26830: 1 in FNPT x 1 in MNPT; attr26825: Unfinished; attr30436: KILLARK.
Steel Union: Steel, 2 in Trade Size, Female to Female (MPN UNF200). Key specifications — attr26830: 2 in FNPT x 2 in MNPT; attr26825: Zinc Plated; attr30436: KILLARK.
KILLARK
Steel Union: Steel, 2 in Trade Size, Female to Female (MPN UNF200). Key specifications — attr26830: 2 in FNPT x 2 in MNPT; attr26825: Zinc Plated; attr30436: KILLARK.