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APPROVED VENDOR Metal Pipe Flange: 1/4 in, Female NPT Threaded, Malleable Iron - Structural Threaded Steel & Iron Pipe Flanges
APPROVED VENDORStructural Threaded Steel & Iron Pipe Flanges

APPROVED VENDOR Metal Pipe Flange: 1/4 in, Female NPT Threaded, Malleable Iron

The APPROVED VENDOR Metal Pipe Flange (SKU 5P597) is a 1/4 in Female NPT Threaded, Malleable Iron, Flat Flange (MPN 521-601HC) with a maximum operating pressure of 300 psi @ 77 °F. 3G Electric interprets your demand…

SKU 3G-OTH-476785

Brand
APPROVED VENDOR
Item
Metal Pipe Flange: 1/4 in, Female NPT Threaded, Malleable Iron
Category
Structural Threaded Steel & Iron Pipe Flanges
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
521-601HC
Type
Female NPT Threaded, Malleable Iron, Flat Flange
Maximum Operating Pressure
300 psi @ 77 °F
(DO NOT SEND) Manufacturer Location
Globally Sourced
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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Metal Pipe Flange (SKU 5P597) is a 1/4 in Female NPT Threaded, Malleable Iron, Flat Flange (MPN 521-601HC) with a maximum operating pressure of 300 psi @ 77 °F. 3G Electric interprets your demand for this structural threaded steel and iron pipe flange, sources it globally, and supports your procurement across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the APPROVED VENDOR 1/4 in metal pipe flange used for?

This 1/4 in female NPT threaded malleable iron flat flange connects pipes, valves, and fittings in low-pressure structural and fluid-handling systems. It is suitable for industrial applications such as water, air, and steam lines where a maximum operating pressure of 300 psi at 77 °F is required.

What are the specifications of the APPROVED VENDOR 521-601HC pipe flange?

The APPROVED VENDOR 521-601HC is a 1/4 in female NPT threaded, malleable iron, flat flange. Its maximum operating pressure is 300 psi at 77 °F. This structural threaded steel and iron pipe flange is designed for reliable sealing in low-pressure piping systems.

Where to buy the APPROVED VENDOR 1/4 in pipe flange worldwide?

3G Electric supplies the APPROVED VENDOR 1/4 in metal pipe flange (SKU 5P597) worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source this flange and support your procurement across 14 industrial departments.

How to install a 1/4 in female NPT threaded pipe flange?

Apply thread sealant to the male pipe threads, then hand-tighten the flange onto the pipe. Use a wrench to snug the connection without over-torquing, as malleable iron can crack. Ensure the flange face is clean and flat for proper gasket sealing. Always follow manufacturer guidelines for pressure ratings.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

APPROVED VENDOR Products

3G Electric supplies APPROVED VENDOR 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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