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USA INDUSTRIALS Class 125 Threaded Flange - Class 125 Threaded Flanges
USA INDUSTRIALSClass 125 Threaded Flanges

USA INDUSTRIALS Class 125 Threaded Flange

The USA INDUSTRIALS Class 125 Threaded Flange (MPN BULK-PF-864) is a flat metal pipe flange with a 3 7/8 in outside diameter and 4 bolt holes, designed to ANSI/ASME B16.1 standards. It has a maximum operating…

SKU 3G-OTH-648813

Also listed as: BULKPF864 · BULK PF 864

Brand
USA INDUSTRIALS
Item
Class 125 Threaded Flange
Category
Class 125 Threaded Flanges
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

USA INDUSTRIALS
Manufacturer Part Number
BULK-PF-864
Type
Class 125
Standards
ANSI/ASME B16.1
Bolt Holes
4
Flange Outside Dia
3 7/8 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 Threaded Flange (MPN BULK-PF-864) is a flat metal pipe flange with a 3 7/8 in outside diameter and 4 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 threaded flange used for?

A Class 125 threaded flange connects pipes without welding, used in low-pressure water, steam, and gas systems. The USA INDUSTRIALS BULK-PF-864 flat flange with 4 bolt holes suits industrial piping up to 125 psi at 72 °F.

What are the specifications of the USA INDUSTRIALS BULK-PF-864 flange?

This flat metal pipe flange has a 3 7/8 in outside diameter, 4 bolt holes, and meets ANSI/ASME B16.1 standards. Maximum operating pressure is 125 psi at 72 °F. It is a Class 125 threaded flange from USA INDUSTRIALS.

Where to buy USA INDUSTRIALS BULK-PF-864 flanges worldwide?

3G Electric supplies USA INDUSTRIALS BULK-PF-864 flanges worldwide, handling full logistics and customs clearance. We source genuine industrial components across 14 departments, including combustion, pumps, and controls, ensuring the right part for your application.

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. Align bolt holes evenly and tighten bolts in a cross pattern to 125 psi rating. Follow ANSI/ASME B16.1 guidelines for proper gasket selection.

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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This chrome-plated threaded low-pressure pipe fitting is a straight reducer with 1/2 in x 3/8 in size. It has a Class 125 rating and a maximum operating pressure of 125 psi. The fitting is 3/4 in long and is used to connect or redirect flow in plumbing, HVAC, and industrial piping systems
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This chrome-plated threaded low-pressure pipe fitting is a straight reducer with 1/2 in x 3/8 in size. It has a Class 125 rating and a maximum operating pressure of 125 psi. The fitting is 3/4 in long and is used to connect or redirect flow in plumbing, HVAC, and industrial piping systems
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Galvanized steel pipe nipple with Schedule 40 wall thickness, threaded male NPT on both ends. Includes PTFE thread sealant. Rated for 125 psi at 72°F. Used for connecting pipe fittings in plumbing, compressed air, and water systems
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This Schedule 40 galvanized steel pipe is threaded on both ends with Male NPT x Male NPT connections and pre-applied PTFE thread sealant. It is rated for a maximum operating pressure of 125 psi at 72°F. Commonly used to connect fittings in plumbing, pneumatic, and low-pressure fluid systems
This straight pipe fitting connects a 1 in male NPT thread to a 1/4 in female NPT thread. It is rated for a maximum operating pressure of 150 psi and includes thread sealant for leak-resistant joints. Typical applications include low-pressure plumbing, pneumatic, and hydraulic systems
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This straight pipe fitting connects a 1 in male NPT thread to a 1/4 in female NPT thread. It is rated for a maximum operating pressure of 150 psi and includes thread sealant for leak-resistant joints. Typical applications include low-pressure plumbing, pneumatic, and hydraulic systems

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