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3G Electric
APPLETON ELECTRIC Vertical Sealing Hub - Vertical Sealing Hubs - 25% Fill
APPLETON ELECTRICVertical Sealing Hubs - 25% Fill

APPLETON ELECTRIC Vertical Sealing Hub

<p>The Appleton Electric Vertical Sealing Hub (ES400300) is a 25% fill sealing fitting designed for hazardous locations rated Class III. Constructed from durable iron, this hub features a 3-inch FNPT female…

SKU 3G-OTH-05867

Also listed as: ES 400300 · ES-400300

Brand
APPLETON ELECTRIC
Item
Vertical Sealing Hub
Part Number
ES400300
Category
Vertical Sealing Hubs - 25% Fill
Available to Order
Also known as:ES400300APPLETON ELECTRIC
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Technical specs
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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

APPLETON ELECTRIC
Manufacturer Part Number
ES400300
Type
- Vertical: Iron, 3 in_4 in Trade Size, Male to Female
Material
Iron
Overall Lg
5 in
Standards
UL 886
Thread Size
3 in
Thread Type
NPT
Thread Gender
Male to Female
Threaded Ends
Male to Female
Connection Type
Threaded
Ends - Hazardous Fittings
3 in FNPT x 4 in MNPT
Hazardous Location Rating
Class III

Technical Documents

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

Product Description

<p>The Appleton Electric Vertical Sealing Hub (ES400300) is a 25% fill sealing fitting designed for hazardous locations rated Class III. Constructed from durable iron, this hub features a 3-inch FNPT female connection and a 4-inch MNPT male connection, with a total length of 5 inches. It meets UL 886 standards, ensuring reliable performance in demanding industrial environments.</p><p>Ideal for use in facilities where combustible fibers or flyings are present, this vertical sealing hub provides a secure, threaded connection. As a Singapore-based supplier, 3G Electric offers SGD quotes on request, handles GST for local buyers, and provides fast delivery across Singapore and Southeast Asia, with worldwide shipping available.</p>

Frequently Asked Questions

What are the thread sizes and types of this sealing hub?

The hub has a 3-inch FNPT (female) and a 4-inch MNPT (male) threaded connection, both NPT type, with male-to-female gender.

What hazardous location rating does this hub have?

It is rated for Class III hazardous locations, as specified in the product data.

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
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APPLETON ELECTRIC Products

3G Electric supplies APPLETON ELECTRIC vertical sealing hubs - 25% fill. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Iron vertical sealing hub with 3/4 in FNPT female to 1 in MNPT male threaded ends. NPT threads, overall length 2 1/4 in. CSA C22.2 No 30 certified for Class II, Division 1 and 2, Groups E, F, G hazardous locations. Used to seal conduit systems in environments where combustible dusts may be present
APPLETON ELECTRIC
Iron vertical sealing hub with 3/4 in FNPT female to 1 in MNPT male threaded ends. NPT threads, overall length 2 1/4 in. CSA C22.2 No 30 certified for Class II, Division 1 and 2, Groups E, F, G hazardous locations. Used to seal conduit systems in environments where combustible dusts may be present

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