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HUBBELL KILLARK Hazardous Location Blank Plug - Hazardous Location Blank Plugs
HUBBELL KILLARKHazardous Location Blank Plugs

HUBBELL KILLARK Hazardous Location Blank Plug

The HUBBELL KILLARK Blank Plug (MPN CUP-3) is a hazardous-location aluminum plug with a 1 in trade size, NPT male-to-male connection for hub/taped hole applications. It is designed for sealing unused openings in…

SKU 3G-OTH-05748

Also listed as: CUP3 · CUP 3

Brand
HUBBELL KILLARK
Item
Hazardous Location Blank Plug
Part Number
CUP-3
Category
Hazardous Location Blank Plugs
Available to Order
Also known as:CUP-3HUBBELL KILLARK
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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

HUBBELL KILLARK
Manufacturer Part Number
CUP-3
Type
- Haz Loc: Aluminum, Plain, NPT, Male to Male, Hub/Taped Hole
Trade Size
1 in

Technical Documents

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

Product Description

The HUBBELL KILLARK Blank Plug (MPN CUP-3) is a hazardous-location aluminum plug with a 1 in trade size, NPT male-to-male connection for hub/taped hole applications. It is designed for sealing unused openings in enclosures in classified environments.

Frequently Asked Questions

What is the HUBBELL KILLARK CUP-3 blank plug used for?

The HUBBELL KILLARK CUP-3 is a hazardous location blank plug used to seal unused openings in enclosures, hubs, or taped holes. It is made of aluminum with a plain finish, has a 1 in trade size, and features NPT male-to-male threads. Typical applications include oil refineries, chemical plants, and other industrial environments requiring explosion-proof sealing.

What are the specifications of the HUBBELL KILLARK CUP-3 blank plug?

The HUBBELL KILLARK CUP-3 blank plug is a hazardous location fitting made of aluminum with a plain finish. It has a 1 in trade size, NPT male-to-male threads, and is designed for hub or taped hole sealing. The manufacturer part number is CUP-3, and the brand is HUBBELL KILLARK. It is suitable for use in classified areas.

Where to buy HUBBELL KILLARK CUP-3 blank plugs worldwide?

You can source HUBBELL KILLARK CUP-3 blank plugs through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. We supply genuine HUBBELL KILLARK components for hazardous location applications.

How to install a HUBBELL KILLARK CUP-3 blank plug?

To install the HUBBELL KILLARK CUP-3 blank plug, apply a suitable thread sealant to the NPT male threads and hand-tighten into the hub or taped hole. Use a wrench to snug the plug without over-torquing, as aluminum can deform. Ensure the plug is fully seated to maintain the hazardous location seal. Always follow local electrical codes and manufacturer guidelines.

Used in

Common applications for HUBBELL KILLARK
Oil and gas processing — Hubbell Killark GR series enclosures with blank covers for housing electrical terminations in classified areas.
Chemical manufacturing — OLB-1CG aluminum LB conduit bodies for rigid metal conduit runs in corrosive and hazardous environments.
Grain handling facilities — RE31S steel reducing bushings to transition conduit sizes in dust-ignition-proof installations.
Pharmaceutical production — XS-1C switch covers with integrated 20A tumbler switches for local control in hazardous locations.
Mining operations — OL-60 steel covers for O Series conduit access fittings to maintain enclosure integrity in underground areas.
Wastewater treatment — GRSS-1M 4x4x4 enclosures with blank covers for splicing and terminating conductors in classified zones.
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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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