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HUBBELL KILLARK Blank Plugs - Haz Loc: Steel, Electroplated, 1 1/4 in Trade Size, NPT - Hazardous Location Blank Plugs
HUBBELL KILLARKHazardous Location Blank Plugs

HUBBELL KILLARK Blank Plugs - Haz Loc: Steel, Electroplated, 1 1/4 in Trade Size, NPT

The HUBBELL KILLARK Blank Plug (MPN PLUG4) is a hazardous-location steel, electroplated plug with a 1 1/4 in trade size, NPT, male-to-male connection. 3G Electric interprets your demand for industrial safety…

SKU 3G-OTH-05823

Also listed as: PLUG 4 · PLUG-4

Brand
HUBBELL KILLARK
Item
Blank Plugs - Haz Loc: Steel, Electroplated, 1 1/4 in Trade Size, NPT
Category
Hazardous Location Blank Plugs
Available to Order
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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

HUBBELL KILLARK
Manufacturer Part Number
PLUG4
Type
- Haz Loc: Steel, Electroplated, NPT, Male to Male
Trade Size
1 1/4 in

Technical Documents

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

Product Description

The HUBBELL KILLARK Blank Plug (MPN PLUG4) is a hazardous-location steel, electroplated plug with a 1 1/4 in trade size, NPT, male-to-male connection. 3G Electric interprets your demand for industrial safety components, sources genuine OEM parts like this, and provides specialist support across 14 departments — including combustion, pumps, and controls — to ensure you get the right solution.

Frequently Asked Questions

What is a Hubbell Killark PLUG4 blank plug used for?

The PLUG4 is a hazardous location blank plug used to seal unused openings in enclosures, preventing debris and moisture ingress. It is suitable for industrial environments requiring NPT threaded connections, such as oil refineries, chemical plants, and grain handling facilities.

What are the specifications of the Hubbell Killark PLUG4?

The PLUG4 is a steel, electroplated blank plug with a 1 1/4 in trade size and NPT male-to-male threading. It is designed for hazardous locations and manufactured by Hubbell Killark. The part number is PLUG4.

Where to buy Hubbell Killark PLUG4 worldwide?

3G Electric supplies the Hubbell Killark PLUG4 blank plug to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this hazardous location fitting.

How to install a Hubbell Killark PLUG4 blank plug?

Apply a suitable thread sealant to the NPT threads of the PLUG4 and hand-tighten into the unused enclosure opening. Use a wrench for final snugging, but avoid overtightening to prevent thread damage. Ensure the plug is fully seated for a proper seal in hazardous locations.

Used in

Common applications for HUBBELL KILLARK
Oil and gas refineries — Hubbell Killark MM-90-1WW 90° elbows for conduit routing in Class I Division 1 areas
Chemical processing plants — Hubbell Killark SWB-5 device boxes for housing switches and controls in corrosive environments
Grain handling facilities — Hubbell Killark VM1L4530 LED light fixtures for illumination in dust-ignition-proof locations
Pharmaceutical manufacturing — Hubbell Killark GECLBT-1 conduit outlet bodies for wiring connections in clean rooms with hazardous vapors
Wastewater treatment plants — Hubbell Killark GRK-537L enclosures with lens covers for instrument housing in wet hazardous zones
Petrochemical storage terminals — Hubbell Killark OLL-8M iron conduit outlet bodies for heavy-duty conduit systems in outdoor classified areas

HUBBELL KILLARK Products

3G Electric supplies HUBBELL KILLARK hazardous location blank plugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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