USA INDUSTRIALSClass 125 Threaded Flanges

USA INDUSTRIALS Class 125 Threaded Flange

The USA INDUSTRIALS Class 125 Threaded Flange (MPN BULK-PF-851) is a flat metal pipe flange with an 8 1/4 in outside diameter and 8 bolt holes, designed to ANSI/ASME B16.1 standards. It has a maximum operating…

SKU 3G-OTH-648807

Also listed as: BULKPF851 · BULK PF 851

Brand

USA INDUSTRIALS

Item

Class 125 Threaded Flange

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

USA INDUSTRIALS

Manufacturer Part Number

BULK-PF-851 

Type

Class 125 

Standards

ANSI/ASME B16.1 

Bolt Holes

8

Flange Outside Dia

8 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

Frequently Asked Questions

What is a Class 125 threaded flange used for?

A Class 125 threaded flange connects pipes without welding, used in low-pressure water, steam, and gas systems. USA INDUSTRIALS' flat flange (MPN BULK-PF-851) suits industrial piping up to 125 psi at 72 °F, per ANSI/ASME B16.1 standards.

What are the specifications of the USA INDUSTRIALS BULK-PF-851 flange?

This flat metal pipe flange has an 8 1/4 in outside diameter, 8 bolt holes, and a Class 125 rating. It meets ANSI/ASME B16.1 standards with a maximum operating pressure of 125 psi @ 72 °F. 3G Electric supplies this USA INDUSTRIALS part worldwide.

Where to buy USA INDUSTRIALS BULK-PF-851 flanges worldwide?

3G Electric sources and delivers USA INDUSTRIALS BULK-PF-851 flanges to worldwide locations. We handle logistics, customs clearance, and delivery for this ANSI/ASME B16.1 Class 125 threaded flange. Contact us for availability and lead time.

How to install a Class 125 threaded flange?

Apply thread sealant to the pipe end, hand-tighten the flange, then use a wrench for final torque—avoid over-tightening. For USA INDUSTRIALS' BULK-PF-851 flange, ensure bolt holes align and gasket is centered. 3G Electric provides sourcing support for this component.

Used in

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USA INDUSTRIALS Products

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

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