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

NIBCO Pipe Straight: Polyvinylidene, 1 in x 3/4 in Fitting Pipe Size, Schedule 80 - UV-Resistant Schedule 80 Pipe Fittings
NIBCOUV-Resistant Schedule 80 Pipe Fittings

NIBCO Pipe Straight: Polyvinylidene, 1 in x 3/4 in Fitting Pipe Size, Schedule 80

The NIBCO Pipe Straight is a UV-Resistant Schedule 80 pipe fitting made from Polyvinylidene, with a 1 in x 3/4 in Fitting Pipe Size and Female Female connections in Red. It meets ASTM D3222 standards (MPN 6518 1x3/4).

SKU 3G-OTH-649221

Also listed as: 65181x34 · 6518 1x3 4 · 6518-1x3-4

Brand
NIBCO
Item
Pipe Straight: Polyvinylidene, 1 in x 3/4 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

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

NIBCO
Manufacturer Part Number
6518 1x3/4
Type
Schedule 80, Female Female, Red
Standards
ASTM D3222
Fitting Pipe Size
1 in x 3/4 in

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 Straight is a UV-Resistant Schedule 80 pipe fitting made from Polyvinylidene, with a 1 in x 3/4 in Fitting Pipe Size and Female Female connections in Red. It meets ASTM D3222 standards (MPN 6518 1x3/4).

Frequently Asked Questions

What is the NIBCO 6518 1x3/4 pipe straight used for?

The NIBCO 6518 1x3/4 is a UV-resistant Schedule 80 pipe fitting used in industrial piping systems requiring corrosion resistance and durability. It connects two female-threaded pipes of different sizes (1 in x 3/4 in) in applications such as chemical processing, water treatment, and high-purity fluid handling.

What are the specifications of the NIBCO 6518 1x3/4 pipe straight?

The NIBCO 6518 1x3/4 is a Schedule 80 pipe straight made from polyvinylidene (PVDF) with a 1 in x 3/4 in fitting pipe size and female-female connections. It meets ASTM D3222 standards and is UV-resistant. The color is red, and the manufacturer part number is 6518 1x3/4.

Where to buy the NIBCO 6518 1x3/4 pipe straight worldwide?

3G Electric supplies the NIBCO 6518 1x3/4 pipe straight to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this PVDF Schedule 80 fitting.

How to install a NIBCO Schedule 80 PVDF pipe straight?

Install the NIBCO 6518 1x3/4 by applying PTFE tape or pipe sealant to male threads before hand-tightening into the female-female fitting. Use a wrench on the fitting body only—avoid over-tightening to prevent cracking. Ensure the pipe is supported and aligned to reduce stress on the joint.

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 in x 1 in x 1 in Fitting Pipe Size, Female Female Female (MPN 6511 1)
NIBCO
Tee Pipe Fitting: Tee, Polyvinylidene, 1 in x 1 in x 1 in Fitting Pipe Size, Female Female Female (MPN 6511 1)
Pipe Union: Polyvinylidene, 2 in x 2 in Fitting Pipe Size, Schedule 80, Female NPT x Female NPT, Red (MPN 653333 2)
NIBCO
Pipe Union: Polyvinylidene, 2 in x 2 in Fitting Pipe Size, Schedule 80, Female NPT x Female NPT, Red (MPN 653333 2)
Pipe Elbow: 90° Elbow, Polyvinylidene, 3/4 in x 3/4 in Fitting Pipe Size, Female Female, Red (MPN 6507-3/4)
NIBCO
Pipe Elbow: 90° Elbow, Polyvinylidene, 3/4 in x 3/4 in Fitting Pipe Size, Female Female, Red (MPN 6507-3/4)
Pipe Straight: Polyvinylidene, 2 in x 1 in Fitting Pipe Size, Schedule 80, Male NPT x Female NPT (MPN 651834 2x1)
NIBCO
Pipe Straight: Polyvinylidene, 2 in x 1 in Fitting Pipe Size, Schedule 80, Male NPT x Female NPT (MPN 651834 2x1)
Pipe Straight: Polyvinylidene, 1 1/2 in x 1 in Fitting Pipe Size, Schedule 80, Male Female, Red (MPN 6518-11/2x1)
NIBCO
Pipe Straight: Polyvinylidene, 1 1/2 in x 1 in Fitting Pipe Size, Schedule 80, Male Female, Red (MPN 6518-11/2x1)
Pipe Union: Polyvinylidene, 1/2 in x 1/2 in Fitting Pipe Size, Schedule 80, Female NPT x Female NPT (MPN 653333-1/2)
NIBCO
Pipe Union: Polyvinylidene, 1/2 in x 1/2 in Fitting Pipe Size, Schedule 80, Female NPT x Female NPT (MPN 653333-1/2)
Hex Head Plug: Polyvinylidene, 2 in Fitting Pipe Size, Schedule 80, Male NPT, Red, 280°F Max Op Temp (MPN 6516-4 2)
NIBCO
Hex Head Plug: Polyvinylidene, 2 in Fitting Pipe Size, Schedule 80, Male NPT, Red, 280°F Max Op Temp (MPN 6516-4 2)
Pipe Coupling: Polyvinylidene, 2 in x 2 in Fitting Pipe Size, Schedule 80, Female Female, Red (MPN 6501 2)
NIBCO
Pipe Coupling: Polyvinylidene, 2 in x 2 in Fitting Pipe Size, Schedule 80, Female Female, Red (MPN 6501 2)