EXW Singapore — collect or forward from our Singapore office.

3G Electric
USA INDUSTRIALS Class 125 Butt Weld Flange - Class 125 Butt Weld Flanges
USA INDUSTRIALSClass 125 Butt Weld Flanges

USA INDUSTRIALS Class 125 Butt Weld Flange

The USA INDUSTRIALS Class 125 Butt Weld Flange (MPN BULK-PF-857) is a flat metal pipe flange with an 11 in outside diameter and 8 bolt holes, rated for a maximum operating pressure of 125 psi @ 72 °F. It meets…

SKU 3G-OTH-650143

Also listed as: BULKPF857 · BULK PF 857

Brand
USA INDUSTRIALS
Item
Class 125 Butt Weld Flange
Part Number
BULK-PF-857
Category
Class 125 Butt Weld 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

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

USA INDUSTRIALS
Manufacturer Part Number
BULK-PF-857
Type
Class 125
Standards
ANSI/ASME B16.1
Bolt Holes
8
Flange Outside Dia
11 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 Butt Weld Flange (MPN BULK-PF-857) is a flat metal pipe flange with an 11 in outside diameter and 8 bolt holes, rated for a maximum operating pressure of 125 psi @ 72 °F. It meets ANSI/ASME B16.1 standards.

Frequently Asked Questions

What is a Class 125 butt weld flange used for?

A Class 125 butt weld flange connects pipes in low-pressure industrial systems such as water, steam, or air lines. The USA INDUSTRIALS BULK-PF-857 flat flange with 8 bolt holes suits applications up to 125 psi at 72 °F, meeting ANSI/ASME B16.1 standards.

What are the specifications of the USA INDUSTRIALS BULK-PF-857 flange?

The USA INDUSTRIALS BULK-PF-857 is a Class 125 flat metal pipe flange with an 11 in outside diameter, 8 bolt holes, and a maximum operating pressure of 125 psi @ 72 °F. It complies with ANSI/ASME B16.1 standards.

Where to buy USA INDUSTRIALS BULK-PF-857 flanges worldwide?

3G Electric supplies the USA INDUSTRIALS BULK-PF-857 Class 125 butt weld flange worldwide. We handle full logistics and customs clearance to deliver this ANSI/ASME B16.1 rated flange to your facility, regardless of location.

How to install a Class 125 butt weld flange?

Install the USA INDUSTRIALS BULK-PF-857 flange by welding the butt end to the pipe, ensuring alignment of the 8 bolt holes. Use gaskets and torque bolts evenly to the recommended specification for Class 125 service at 125 psi @ 72 °F.

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 butt weld 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