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NIBCO Hex Head Plug: Polyvinylidene - UV-Resistant Schedule 80 Pipe Fittings
NIBCOUV-Resistant Schedule 80 Pipe Fittings

NIBCO Hex Head Plug: Polyvinylidene

The NIBCO Hex Head Plug is a UV-Resistant Schedule 80 pipe fitting made from polyvinylidene, with a 3/4 in fitting pipe size and Male NPT connection in red. It meets ASTM D3222 standards, offering a durable solution…

SKU 3G-OTH-649258

Also listed as: 6516434 · 6516 4 3 4 · 6516-4-3-4

Brand
NIBCO
Item
Hex Head Plug: Polyvinylidene
Part Number
6516-4-3/4
Category
UV-Resistant Schedule 80 Pipe Fittings
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Technical Specifications

NIBCO
Manufacturer Part Number
6516-4-3/4
Type
Schedule 80, Male NPT, Red
Standards
ASTM D3222
Fitting Pipe Size
3/4 in

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

Product Description

The NIBCO Hex Head Plug is a UV-Resistant Schedule 80 pipe fitting made from polyvinylidene, with a 3/4 in fitting pipe size and Male NPT connection in red. It meets ASTM D3222 standards, offering a durable solution for industrial piping systems.

Frequently Asked Questions

What is a NIBCO hex head plug used for?

A NIBCO hex head plug seals the end of a pipe fitting in industrial piping systems. This UV-resistant Schedule 80 polyvinylidene plug with 3/4 in Male NPT is suited for chemical, water treatment, and high-purity applications where durability and corrosion resistance are required.

What are the specifications of the NIBCO 6516-4-3/4 hex head plug?

The NIBCO 6516-4-3/4 hex head plug is a Schedule 80 fitting made from polyvinylidene, with a 3/4 in fitting pipe size and Male NPT connection in red. It meets ASTM D3222 standards, ensuring reliable performance in demanding environments.

Where to buy a NIBCO hex head plug worldwide?

3G Electric supplies the NIBCO hex head plug worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver this UV-resistant Schedule 80 fitting to your location. Contact us for availability and delivery options.

How to install a NIBCO hex head plug?

To install a NIBCO hex head plug, apply thread sealant to the Male NPT threads and hand-tighten into the female fitting. Use a wrench on the hex head for final snugging, avoiding overtightening to prevent stress cracking in the polyvinylidene material. Always follow standard piping practices.

Used in

Common applications for NIBCO
Water treatment — NIBCO PVDF Schedule 80 blind flanges (6519-H series) for sealing pipe ends in chemical dosing lines
HVAC systems — NIBCO bronze ball valves (T58570-1/4) for isolation of small-diameter water lines
Industrial process piping — NIBCO ductile iron gate valves (F619RW series) for general isolation on 6-inch and 8-inch flanged headers
Chemical plants — NIBCO UV-resistant PVDF companion flanges (6551-H series) for outdoor corrosive fluid transfer
Power generation — NIBCO Class 125 ductile iron gate valves for cooling water and neutral fluid isolation
Outdoor piping — NIBCO Schedule 80 PVDF flanges for UV-exposed water and wastewater lines
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NIBCO Products

3G Electric supplies NIBCO uv-resistant schedule 80 pipe fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This Schedule 80 pipe cap is made of polyvinylidene fluoride (PVDF) and features a 2-inch female NPT connection. It is red in color for UV resistance and meets ASTM D3222 standards. With a maximum operating temperature of 280°F, it is used to terminate or seal the end of piping systems in industrial applications
NIBCO
This Schedule 80 pipe cap is made of polyvinylidene fluoride (PVDF) and features a 2-inch female NPT connection. It is red in color for UV resistance and meets ASTM D3222 standards. With a maximum operating temperature of 280°F, it is used to terminate or seal the end of piping systems in industrial applications

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