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NIBCO Hex Head Plug: Polyvinylidene, Schedule 80, 1 1/2 in, Male NPT, Red - UV-Resistant Schedule 80 Pipe Fittings
NIBCOUV-Resistant Schedule 80 Pipe Fittings

NIBCO Hex Head Plug: Polyvinylidene, Schedule 80, 1 1/2 in, Male NPT, Red

The NIBCO Hex Head Plug is a Schedule 80, Male NPT, Red polyvinylidene pipe fitting with a 1 1/2 in fitting pipe size (MPN 6516-4-11/2). It meets ASTM D3222 standards and is designed for UV-resistant applications. 3G…

SKU 3G-OTH-649193

Also listed as: 65164112 · 6516 4 11 2 · 6516-4-11-2

Brand
NIBCO
Item
Hex Head Plug: Polyvinylidene, Schedule 80, 1 1/2 in, Male NPT, Red
Part Number
6516-4-11/2
Category
UV-Resistant Schedule 80 Pipe Fittings
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Technical Specifications

NIBCO
Manufacturer Part Number
6516-4-11/2
Type
Schedule 80, Male NPT, Red
Standards
ASTM D3222
Fitting Pipe Size
1 1/2 in

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

Product Description

The NIBCO Hex Head Plug is a Schedule 80, Male NPT, Red polyvinylidene pipe fitting with a 1 1/2 in fitting pipe size (MPN 6516-4-11/2). It meets ASTM D3222 standards and is designed for UV-resistant applications. 3G Electric interprets your demand, sources this genuine industrial fitting, and supports your procurement across 14 departments — with specialist depth in combustion, pumps, and controls.

Frequently Asked Questions

What is the NIBCO Hex Head Plug used for?

The NIBCO Hex Head Plug is a Schedule 80 polyvinylidene pipe fitting used to seal the end of a pipe in UV-resistant industrial applications. It meets ASTM D3222 standards and is suitable for demanding environments where durability and chemical resistance are required.

What are the specifications of the NIBCO Hex Head Plug 6516-4-11/2?

The NIBCO Hex Head Plug has a 1 1/2 in fitting pipe size, Schedule 80, Male NPT threads, and is made of red polyvinylidene. It complies with ASTM D3222 standards and is designed for UV-resistant applications. The manufacturer part number is 6516-4-11/2.

Where to buy the NIBCO Hex Head Plug worldwide?

3G Electric sources and supplies the NIBCO Hex Head Plug worldwide. We handle full logistics, customs clearance, and delivery to your location. As a global industrial solutions provider, we interpret your demand and deliver genuine fittings across 14 departments, with specialist depth in combustion, pumps, and controls.

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 tightening, avoiding overtightening to prevent damage. Always follow standard piping practices and check for leaks after installation.

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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