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

3G Electric
STREAMLINE W 03891NL Low-Lead Cast Copper & Bronze Tube Flange - Low-Lead Cast Copper & Bronze Tube Flanges
STREAMLINELow-Lead Cast Copper & Bronze Tube Flanges

STREAMLINE W 03891NL Low-Lead Cast Copper & Bronze Tube Flange

STREAMLINE Low-Lead Cast Copper & Bronze Tube Flanges. Specifications: Type: Cup x Flange, No Center Stop, Wrot Copper.

SKU 3G-OTH-475808

Also listed as: W03891NL · W-03891NL

Brand
STREAMLINE
Item
W 03891NL Low-Lead Cast Copper & Bronze Tube Flange
Part Number
W 03891NL
Category
Low-Lead Cast Copper & Bronze Tube Flanges
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

STREAMLINE
Manufacturer Part Number
W 03891NL
Type
Cup x Flange, No Center Stop, Wrot Copper

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

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

Product Description

STREAMLINE Low-Lead Cast Copper & Bronze Tube Flanges. Specifications: Type: Cup x Flange, No Center Stop, Wrot Copper.

Frequently Asked Questions

What is a STREAMLINE Sweat Fitting Adapter used for?

This STREAMLINE sweat fitting adapter connects copper tubing to flanged equipment in plumbing and HVAC systems. The cup end solders onto 6-inch CTS copper pipe, while the flange end bolts to valves, pumps, or tanks for a leak-proof joint.

What are the specifications of the STREAMLINE W 03891NL adapter?

The STREAMLINE W 03891NL is a wrot copper sweat fitting adapter with a cup x flange configuration, no center stop, and 6-inch CTS x 6-inch CTS connections. It is made from low-lead cast copper and bronze for potable water compliance.

Where to buy STREAMLINE W 03891NL worldwide?

3G Electric supplies the STREAMLINE W 03891NL sweat fitting adapter to customers worldwide. We handle full logistics, customs clearance, and delivery to your site, ensuring you receive genuine STREAMLINE components for your industrial piping needs.

How to install a STREAMLINE cup x flange adapter?

Clean the copper tube end and cup interior, apply flux, then heat evenly while feeding solder into the cup joint. For the flange, use bolts with gaskets to seal against mating equipment. Follow standard copper sweat fitting practices for a reliable connection.

Used in

Common applications for STREAMLINE
Commercial HVAC installation — STREAMLINE 50 ft line set with 1/2 in insulation for rooftop mini-split systems
Industrial plant cooling — STREAMLINE 35 ft line set with 1 in insulation for process area split units
Residential multi-split systems — STREAMLINE 15 ft line set with 1 in insulation for compact installations
HVAC service replacement — STREAMLINE ball valve insulation cover for Cyclemaster valves in retrofit projects
Cold storage facility — STREAMLINE line set with elastomeric insulation to minimize condensation in low-temperature environments
Not sure this is the right part? Photo-identify it

STREAMLINE Products

3G Electric supplies STREAMLINE low-lead cast copper & bronze tube flanges. 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 STREAMLINE

View all STREAMLINE parts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first