We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

NIBCO Pipe Union: Polyvinylidene, 1/2 in x 1/2 in Fitting Pipe Size, Schedule 80 - UV-Resistant Schedule 80 Pipe Fittings
NIBCOUV-Resistant Schedule 80 Pipe Fittings

NIBCO Pipe Union: Polyvinylidene, 1/2 in x 1/2 in Fitting Pipe Size, Schedule 80

The NIBCO Pipe Union is a UV-Resistant Schedule 80 pipe fitting made from polyvinylidene, with a 1/2 in x 1/2 in fitting pipe size and Female NPT x Female NPT connections. It meets ASTM D3222 standards (MPN 653333-1/2).

SKU 3G-OTH-649199

Brand
NIBCO
Item
Pipe Union: Polyvinylidene, 1/2 in x 1/2 in Fitting Pipe Size, Schedule 80
Category
UV-Resistant Schedule 80 Pipe Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

NIBCO
Manufacturer Part Number
653333-1/2
Type
Schedule 80, Female NPT x Female NPT
Standards
ASTM D3222
Fitting Pipe Size
1/2 in x 1/2 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The NIBCO Pipe Union is a UV-Resistant Schedule 80 pipe fitting made from polyvinylidene, with a 1/2 in x 1/2 in fitting pipe size and Female NPT x Female NPT connections. It meets ASTM D3222 standards (MPN 653333-1/2).

Frequently Asked Questions

What is a NIBCO pipe union used for?

A NIBCO pipe union connects two pipes while allowing easy disassembly for maintenance or repair. This UV-resistant Schedule 80 polyvinylidene fitting is used in industrial piping systems requiring chemical resistance and durability, such as water treatment or chemical processing.

What are the specifications of the NIBCO 653333-1/2 pipe union?

The NIBCO 653333-1/2 pipe union is a Schedule 80 fitting with a 1/2 in x 1/2 in fitting pipe size and Female NPT x Female NPT connections. It is made from UV-resistant polyvinylidene and meets ASTM D3222 standards.

Where to buy a NIBCO pipe union worldwide?

3G Electric supplies the NIBCO pipe union worldwide, handling logistics, customs, and delivery to your location. As a global industrial solutions provider, we source genuine NIBCO fittings and support procurement across 14 departments, including plumbing and HVAC.

How to install a NIBCO Schedule 80 pipe union?

To install a NIBCO Schedule 80 pipe union, ensure threads are clean and apply appropriate sealant to the Female NPT connections. Hand-tighten then use wrenches on the union nuts for a secure fit. Avoid over-tightening to prevent damage to the polyvinylidene material.

Used in

Common applications for NIBCO
HVAC systems — NIBCO bronze ball valves (T58570UL series) for isolation and control in chilled water loops
Water treatment plants — NIBCO bronze gate valves (T29 series) for shut-off in filtration and distribution lines
Industrial burner systems — NIBCO brass ball valves (GB2A series) for fuel oil or gas supply lines
Chemical processing — NIBCO bronze ball valves with locking lever (T58570LL series) for safety-critical flow control
Steam systems — NIBCO bronze globe valves for throttling in low-pressure steam applications
General plumbing — NIBCO bronze ball valves (S58570 series) with sweat connections for copper piping in commercial buildings

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from NIBCO

View all NIBCO parts
Tee Pipe Fitting: Tee, Polyvinylidene, 1/2 in x 1/2 in x 1/2 in Fitting Pipe Size, Red, Schedule 80 (MPN 6511-1/2). Key specifications — Includes Shield: Collar Not Included; Standards: ASTM D3222; Fitting Pipe Size: 1/2 in x 1/2 in x 1/2 in.
NIBCO
Tee Pipe Fitting: Tee, Polyvinylidene, 1/2 in x 1/2 in x 1/2 in Fitting Pipe Size, Red, Schedule 80 (MPN 6511-1/2). Key specifications — Includes Shield: Collar Not Included; Standards: ASTM D3222; Fitting Pipe Size: 1/2 in x 1/2 in x 1/2 in.
Pipe Elbow: 90° Elbow, Polyvinylidene, 1 1/2 in x 1 1/2 in Fitting Pipe Size, Red, Schedule 80 (MPN 650733-11/2). Key specifications — Standards: ASTM D3222; Fitting Pipe Size: 1-1/2 in x 1-1/2 in.
NIBCO
Pipe Elbow: 90° Elbow, Polyvinylidene, 1 1/2 in x 1 1/2 in Fitting Pipe Size, Red, Schedule 80 (MPN 650733-11/2). Key specifications — Standards: ASTM D3222; Fitting Pipe Size: 1-1/2 in x 1-1/2 in.
Tee Pipe Fitting: Tee, Polyvinylidene, 1 in x 1 in x 1 in Fitting Pipe Size, Female Female Female (MPN 6511 1). Key specifications — Includes Shield: Collar Not Included; Standards: ASTM D3222; Fitting Pipe Size: 1 in x 1 in x 1 in.
NIBCO
Tee Pipe Fitting: Tee, Polyvinylidene, 1 in x 1 in x 1 in Fitting Pipe Size, Female Female Female (MPN 6511 1). Key specifications — Includes Shield: Collar Not Included; Standards: ASTM D3222; Fitting Pipe Size: 1 in x 1 in x 1 in.
Pipe Union: Polyvinylidene, 2 in x 2 in Fitting Pipe Size, Schedule 80, Female NPT x Female NPT, Red (MPN 653333 2). Key specifications — Standards: ASTM D3222; Fitting Pipe Size: 2 in x 2 in.
NIBCO
Pipe Union: Polyvinylidene, 2 in x 2 in Fitting Pipe Size, Schedule 80, Female NPT x Female NPT, Red (MPN 653333 2). Key specifications — Standards: ASTM D3222; Fitting Pipe Size: 2 in x 2 in.
Pipe Elbow: 90° Elbow, Polyvinylidene, 3/4 in x 3/4 in Fitting Pipe Size, Female Female, Red (MPN 6507-3/4). Key specifications — Standards: ASTM D3222; Fitting Pipe Size: 3/4 in x 3/4 in.
NIBCO
Pipe Elbow: 90° Elbow, Polyvinylidene, 3/4 in x 3/4 in Fitting Pipe Size, Female Female, Red (MPN 6507-3/4). Key specifications — Standards: ASTM D3222; Fitting Pipe Size: 3/4 in x 3/4 in.
Pipe Straight: Polyvinylidene, 2 in x 1 in Fitting Pipe Size, Schedule 80, Male NPT x Female NPT (MPN 651834 2x1). Key specifications — Standards: ASTM D3222; Fitting Pipe Size: 2 in x 1 in.
NIBCO
Pipe Straight: Polyvinylidene, 2 in x 1 in Fitting Pipe Size, Schedule 80, Male NPT x Female NPT (MPN 651834 2x1). Key specifications — Standards: ASTM D3222; Fitting Pipe Size: 2 in x 1 in.
Pipe Straight: Polyvinylidene, 1 1/2 in x 1 in Fitting Pipe Size, Schedule 80, Male Female, Red (MPN 6518-11/2x1). Key specifications — Standards: ASTM D3222; Fitting Pipe Size: 1-1/2 in x 1 in.
NIBCO
Pipe Straight: Polyvinylidene, 1 1/2 in x 1 in Fitting Pipe Size, Schedule 80, Male Female, Red (MPN 6518-11/2x1). Key specifications — Standards: ASTM D3222; Fitting Pipe Size: 1-1/2 in x 1 in.
Hex Head Plug: Polyvinylidene, 2 in Fitting Pipe Size, Schedule 80, Male NPT, Red, 280°F Max Op Temp (MPN 6516-4 2). Key specifications — Standards: ASTM D3222.
NIBCO
Hex Head Plug: Polyvinylidene, 2 in Fitting Pipe Size, Schedule 80, Male NPT, Red, 280°F Max Op Temp (MPN 6516-4 2). Key specifications — Standards: ASTM D3222.