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USA INDUSTRIALS Class 125 Structural Floor Flange - Class 125 Structural Floor Flanges
USA INDUSTRIALSClass 125 Structural Floor Flanges

USA INDUSTRIALS Class 125 Structural Floor Flange

The USA INDUSTRIALS Class 125 Structural Floor Flange (MPN BULK-PF-839) is a flat metal pipe flange with a 4 1/4 in outside diameter and 4 bolt holes, rated for a maximum operating pressure of 125 psi @ 72 °F and…

SKU 3G-OTH-649563

Also listed as: BULKPF839 · BULK PF 839

Brand
USA INDUSTRIALS
Item
Class 125 Structural Floor Flange
Part Number
BULK-PF-839
Category
Class 125 Structural Floor Flanges
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

USA INDUSTRIALS
Manufacturer Part Number
BULK-PF-839
Type
Class 125
Standards
ANSI/ASME B16.1
Bolt Holes
4
Flange Outside Dia
4 1/4 in
Maximum Operating Pressure
125 psi @ 72 °F

Technical Documents

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

Product Description

The USA INDUSTRIALS Class 125 Structural Floor Flange (MPN BULK-PF-839) is a flat metal pipe flange with a 4 1/4 in outside diameter and 4 bolt holes, rated for a maximum operating pressure of 125 psi @ 72 °F and manufactured to ANSI/ASME B16.1 standards.

Frequently Asked Questions

What is a USA INDUSTRIALS Class 125 Structural Floor Flange used for?

This flat metal pipe flange is used to mount pipes or equipment to floors or walls in industrial piping systems. It suits low-pressure applications up to 125 psi at 72 °F, common in water, air, and steam lines across manufacturing and process plants.

What are the specifications of the USA INDUSTRIALS BULK-PF-839 flange?

The flange is Class 125, flat, with a 4 1/4 in outside diameter and 4 bolt holes. It meets ANSI/ASME B16.1 standards and has a maximum operating pressure of 125 psi @ 72 °F. The manufacturer part number is BULK-PF-839.

Where to buy USA INDUSTRIALS BULK-PF-839 flanges worldwide?

3G Electric supplies and delivers the USA INDUSTRIALS BULK-PF-839 Class 125 Structural Floor Flange worldwide. We handle full logistics and customs clearance, ensuring you receive genuine industrial components for your piping projects.

How to install a Class 125 structural floor flange?

Install the flange on a clean, flat surface using bolts through the 4 holes. Align the pipe, apply appropriate gasket material, and tighten bolts evenly to the torque specified for ANSI/ASME B16.1 flanges. Always follow manufacturer guidelines for pressure ratings.

Used in

Common applications for USA INDUSTRIALS
Petrochemical industry — USA Industrials A193 B7 heavy hex bolts used in high-temperature flange connections on process piping.
Power generation — A193 B7 heavy hex bolts for bolting applications in steam lines and turbine housings.
Structural steel — Heavy hex bolts for high-strength structural connections in industrial buildings and equipment.
Maintenance and repair — Small packs of A193 B7 bolts for on-site replacement in high-pressure systems.
Chemical processing — Corrosion-resistant bolting for reactors and heat exchangers where elevated temperatures are present.
Oil and gas — A193 B7 bolts for wellhead and pipeline flange assemblies requiring reliable sealing.
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USA INDUSTRIALS Products

3G Electric supplies USA INDUSTRIALS class 125 structural floor flanges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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