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USA INDUSTRIALS Schedule 40 Brass Pipe Nipple with PTFE Thread Sealant - Schedule 40 Brass Pipe & Pipe Nipples with Thread Sealant
USA INDUSTRIALSSchedule 40 Brass Pipe & Pipe Nipples with Thread Sealant

USA INDUSTRIALS Schedule 40 Brass Pipe Nipple with PTFE Thread Sealant

The USA INDUSTRIALS Pipe Nipple is a Schedule 40 brass pipe nipple threaded on both ends with Male NPT x Male NPT connections, featuring PTFE thread sealant. It has a nominal pipe size of 4 in, an overall length of…

SKU 3G-OTH-649787

Also listed as: ZUSAPF21961 · ZUSA PF 21961

Brand
USA INDUSTRIALS
Item
Schedule 40 Brass Pipe Nipple with PTFE Thread Sealant
Part Number
ZUSA-PF-21961
Category
Schedule 40 Brass Pipe & Pipe Nipples with Thread Sealant
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Technical Specifications

USA INDUSTRIALS
Manufacturer Part Number
ZUSA-PF-21961
Type
Threaded on Both Ends, Schedule 40
Overall Lg
18 in
Connection Type
Male NPT x Male NPT
Nominal Pipe Size
4 in
Thread Sealant Type
PTFE
Maximum Steam Pressure
561 psi @ 300 °F
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 Pipe Nipple is a Schedule 40 brass pipe nipple threaded on both ends with Male NPT x Male NPT connections, featuring PTFE thread sealant. It has a nominal pipe size of 4 in, an overall length of 18 in, a maximum operating pressure of 125 psi @ 72°F, and a maximum steam pressure of 561 psi @ 300 °F (MPN ZUSA-PF-21961).

Frequently Asked Questions

What is a USA INDUSTRIALS Schedule 40 brass pipe nipple used for?

This brass pipe nipple connects two male NPT threaded fittings in industrial piping systems for water, air, or steam service up to 125 psi at 72°F. Its Schedule 40 wall thickness and PTFE thread sealant make it suitable for moderate-pressure applications in plant maintenance, plumbing, and HVAC.

What are the specifications of the USA INDUSTRIALS ZUSA-PF-21961 pipe nipple?

The ZUSA-PF-21961 is a 4 in nominal size, 18 in overall length, Schedule 40 brass pipe nipple with Male NPT x Male NPT threads. It has a maximum operating pressure of 125 psi @ 72°F and a maximum steam pressure of 561 psi @ 300°F. Thread sealant is PTFE.

Where to buy USA INDUSTRIALS pipe nipples worldwide?

3G Electric supplies USA INDUSTRIALS pipe nipples worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the ZUSA-PF-21961 or other Schedule 40 brass nipples.

How to install a threaded brass pipe nipple with PTFE sealant?

Apply PTFE tape or paste to the male threads, then hand-tighten the nipple into the female fitting. Use a wrench for final snugging—avoid over-tightening to prevent cracking the brass. For steam service, ensure the sealant is rated for 561 psi @ 300°F. Always follow local piping codes.

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 schedule 40 brass pipe & pipe nipples with thread sealant. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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