Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
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 (SKU BULK-PF-840, MPN BULK-PF-840) is a flat metal pipe flange with a 4 5/8 in outside diameter and 4 bolt holes, rated for a maximum operating pressure of 125…

SKU 3G-OTH-649562

Also listed as: BULKPF840 · BULK PF 840

Brand
USA INDUSTRIALS
Item
Class 125 Structural Floor Flange
Part Number
BULK-PF-840
Category
Class 125 Structural Floor Flanges
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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-840
Type
Class 125
Standards
ANSI/ASME B16.1
Bolt Holes
4
Flange Outside Dia
4 5/8 in
Maximum Operating Pressure
125 psi @ 72 °F

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The USA INDUSTRIALS Class 125 Structural Floor Flange (SKU BULK-PF-840, MPN BULK-PF-840) is a flat metal pipe flange with a 4 5/8 in outside diameter and 4 bolt holes, rated for a maximum operating pressure of 125 psi @ 72 °F. It is manufactured to ANSI/ASME B16.1 standards.

Frequently Asked Questions

What is a Class 125 structural floor flange used for?

A Class 125 structural floor flange, like the USA INDUSTRIALS BULK-PF-840, is used to mount pipes or equipment to a floor or flat surface. It provides a stable, bolted connection for low-pressure piping systems in industrial plants, water treatment, and HVAC applications.

What are the specifications of the USA INDUSTRIALS BULK-PF-840 flange?

The USA INDUSTRIALS BULK-PF-840 is a flat metal pipe flange with a 4 5/8 in outside diameter, 4 bolt holes, and a Class 125 rating. It meets ANSI/ASME B16.1 standards and has a maximum operating pressure of 125 psi @ 72 °F.

Where to buy USA INDUSTRIALS BULK-PF-840 flanges worldwide?

3G Electric supplies the USA INDUSTRIALS BULK-PF-840 Class 125 structural floor flange to customers worldwide. We handle full logistics and customs clearance, ensuring reliable delivery for your industrial piping projects. Contact us for availability and lead times.

How to install a Class 125 structural floor flange?

To install a Class 125 structural floor flange, first ensure the mounting surface is clean and level. Align the flange's 4 bolt holes with anchor points, insert bolts, and tighten evenly to the torque specified for your application. Use a gasket if sealing is required.

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.
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from USA INDUSTRIALS

View all USA INDUSTRIALS parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first