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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-859) is a flat metal pipe flange with a 16 in flange outside diameter and 12 bolt holes. Designed to ANSI/ASME B16.1 standards, it has a maximum operating…

SKU 3G-OTH-650146

Also listed as: BULKPF859 · BULK PF 859

Brand
USA INDUSTRIALS
Item
Class 125 Butt Weld Flange
Part Number
BULK-PF-859
Category
Class 125 Butt Weld Flanges
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
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Technical Specifications

USA INDUSTRIALS
Manufacturer Part Number
BULK-PF-859
Type
Class 125
Standards
ANSI/ASME B16.1
Bolt Holes
12
Flange Outside Dia
16 in
Maximum Operating Pressure
125 psi @ 72 °F

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

Product Description

The USA INDUSTRIALS Class 125 Butt Weld Flange (MPN BULK-PF-859) is a flat metal pipe flange with a 16 in flange outside diameter and 12 bolt holes. Designed to ANSI/ASME B16.1 standards, it has a maximum operating pressure of 125 psi @ 72 °F.

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. It is welded to the pipe end for a strong, leak-resistant joint. 3G Electric supplies this USA INDUSTRIALS flange for applications across machining, HVAC, and material handling.

What are the specifications of the USA INDUSTRIALS Class 125 butt weld flange?

This flange has a 16 in outside diameter, 12 bolt holes, and meets ANSI/ASME B16.1 standards. Its maximum operating pressure is 125 psi @ 72 °F. The flat face design suits low-pressure piping systems. 3G Electric sources this USA INDUSTRIALS part (MPN BULK-PF-859) for global delivery.

Where to buy a Class 125 butt weld flange worldwide?

3G Electric supplies the USA INDUSTRIALS Class 125 butt weld flange (MPN BULK-PF-859) worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this ANSI/ASME B16.1 compliant flange.

How to install a Class 125 butt weld flange?

Installation requires welding the flange to the pipe end, ensuring proper alignment and a full-penetration weld. Use compatible gaskets and torque bolts evenly to the specified rating. Always follow ANSI/ASME B16.1 guidelines. 3G Electric provides this USA INDUSTRIALS flange for industrial piping systems.

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 butt weld flanges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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