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OEM APPROVED VENDOR 3 in Female NPT Threaded Malleable Iron Flat Flange, Class 150 - Structural Threaded Steel & Iron Pipe Flanges
OEMStructural Threaded Steel & Iron Pipe Flanges

OEM APPROVED VENDOR 3 in Female NPT Threaded Malleable Iron Flat Flange, Class 150

The APPROVED VENDOR Metal Pipe Flange (SKU 521-610, MPN 521-610) is a 3-inch Female NPT Threaded, Malleable Iron, Flat Flange, Class 150. It has a maximum operating pressure of 300 psi @ 77 °F. 3G Electric sources…

SKU 3G-OTH-476783

Also listed as: 521610 · 521 610

Brand
OEM
Item
APPROVED VENDOR 3 in Female NPT Threaded Malleable Iron Flat Flange, Class 150
Category
Structural Threaded Steel & Iron Pipe Flanges
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OEM
Manufacturer Part Number
521-610
Type
Female NPT Threaded, Malleable Iron, Flat Flange, Class 150
Maximum Operating Pressure
300 psi @ 77 °F
(DO NOT SEND) Manufacturer Location
Globally Sourced

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

Product Description

The APPROVED VENDOR Metal Pipe Flange (SKU 521-610, MPN 521-610) is a 3-inch Female NPT Threaded, Malleable Iron, Flat Flange, Class 150. It has a maximum operating pressure of 300 psi @ 77 °F. 3G Electric sources this structural threaded steel and iron pipe flange across 14 industrial departments, with specialist expertise in combustion, pumps and controls to ensure the right fit for your application.

Frequently Asked Questions

What is an APPROVED VENDOR 3 in metal pipe flange used for?

This 3-inch female NPT threaded malleable iron flat flange (Class 150) connects pipes, valves, and equipment in industrial piping systems. It is commonly used in water, steam, gas, and oil applications where a leak-resistant, bolted joint is required. 3G Electric supplies this flange across 14 industrial departments.

What are the specifications of the APPROVED VENDOR 521-610 pipe flange?

The APPROVED VENDOR 521-610 is a 3-inch female NPT threaded, malleable iron, flat flange rated Class 150. Its maximum operating pressure is 300 psi at 77 °F. This structural threaded steel and iron pipe flange is sourced globally by 3G Electric for industrial applications.

Where to buy an APPROVED VENDOR 3 in pipe flange worldwide?

3G Electric supplies the APPROVED VENDOR 3-inch pipe flange (SKU 3G-OTH-476783) worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this Class 150 malleable iron flange.

How to select the right pipe flange for a 3-inch NPT connection?

Match the flange size (3 inch), thread type (female NPT), pressure class (Class 150, 300 psi max), and material (malleable iron) to your system requirements. Ensure the flange face type (flat) aligns with your gasket and mating flange. 3G Electric’s specialist expertise in pumps and controls helps confirm the correct fit.

OEM Products

3G Electric supplies OEM structural threaded steel & iron pipe flanges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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