EXW Singapore — collect or forward from our Singapore office.

3G Electric
NIBCO Cast Copper Cup x MNPT Tube Fitting Union, 3/4 in CTS x 3/4 in Pipe - Cast Copper & Bronze Tube Fittings
NIBCOCast Copper & Bronze Tube Fittings

NIBCO Cast Copper Cup x MNPT Tube Fitting Union, 3/4 in CTS x 3/4 in Pipe

NIBCO Cast Copper & Bronze Tube Fittings. Specifications: Type: Cup x MNPT, Cast Copper.

SKU 3G-OTH-469289

Also listed as: U733434 · U7334 3 4 · U7334-3-4

Brand
NIBCO
Item
Cast Copper Cup x MNPT Tube Fitting Union, 3/4 in CTS x 3/4 in Pipe
Part Number
U7334-3/4
Category
Cast Copper & Bronze Tube 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.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

NIBCO
Manufacturer Part Number
U7334-3/4
Type
Cup x MNPT, Cast 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

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

Product Description

NIBCO Cast Copper & Bronze Tube Fittings. Specifications: Type: Cup x MNPT, Cast Copper.

Frequently Asked Questions

What is a NIBCO sweat fitting union used for?

A NIBCO sweat fitting union connects two copper pipes in plumbing and HVAC systems, allowing easy disassembly for maintenance. The 3/4 in CTS x 3/4 in Pipe, Cup x MNPT design joins a copper tube to a male threaded pipe, providing a leak-resistant joint in potable water, hydronic heating, and industrial fluid lines.

What are the specifications of the NIBCO U7334-3/4 union?

The NIBCO U7334-3/4 is a cast copper sweat fitting union with a Cup x MNPT connection. It measures 3/4 in CTS on the cup end and 3/4 in pipe on the male threaded end. The cast copper construction offers durability and corrosion resistance for plumbing and industrial applications.

Where to buy NIBCO U7334-3/4 union worldwide?

3G Electric supplies the NIBCO U7334-3/4 cast copper union to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this sweat fitting union.

How to install a NIBCO sweat fitting union?

To install a NIBCO sweat fitting union, clean and flux the copper tube and cup end, then heat evenly and apply solder until it flows into the joint. For the threaded side, use pipe thread sealant on the male NPT threads and tighten securely. Always follow local plumbing codes and manufacturer guidelines.

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
Not sure this is the right part? Photo-identify it→

NIBCO Products

3G Electric supplies NIBCO cast copper & bronze tube 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 →
Cast bronze tube fitting with cup x FTG (female threaded) connections for 3/4 in CTS copper tubing. Hi-ear design provides secure support for horizontal or vertical piping runs in plumbing and HVAC systems
NIBCO
Cast bronze tube fitting with cup x FTG (female threaded) connections for 3/4 in CTS copper tubing. Hi-ear design provides secure support for horizontal or vertical piping runs in plumbing and HVAC systems
Cast bronze sweat fitting elbow with cup (solder) connection on one end and female threaded (FTG) connection on the other, for 3/4 in copper tube size (CTS). Used in copper tubing systems to change direction in plumbing, HVAC, and industrial fluid lines
NIBCO
Cast bronze sweat fitting elbow with cup (solder) connection on one end and female threaded (FTG) connection on the other, for 3/4 in copper tube size (CTS). Used in copper tubing systems to change direction in plumbing, HVAC, and industrial fluid lines
Cast bronze union with 1/2 inch CTS sweat cup on one end and 1/2 inch female NPT threaded connection on the other. Used in copper tube systems for joining pipes or connecting to threaded components, allowing disassembly for maintenance. Suitable for water and non-aggressive fluid applications in plumbing and HVAC systems
NIBCO
Cast bronze union with 1/2 inch CTS sweat cup on one end and 1/2 inch female NPT threaded connection on the other. Used in copper tube systems for joining pipes or connecting to threaded components, allowing disassembly for maintenance. Suitable for water and non-aggressive fluid applications in plumbing and HVAC systems
Cast bronze sweat fitting elbow with Cup x FTG ends. Connects 1-1/2 in CTS copper tube to 1 in CTS male thread. Used for directional changes in plumbing and HVAC systems
NIBCO
Cast bronze sweat fitting elbow with Cup x FTG ends. Connects 1-1/2 in CTS copper tube to 1 in CTS male thread. Used for directional changes in plumbing and HVAC systems
Cast copper sweat fitting union with cup x FTG ends for 2 in CTS copper tubing. Designed for soldered connections in plumbing and HVAC piping systems, allowing disassembly for maintenance or repair
NIBCO
Cast copper sweat fitting union with cup x FTG ends for 2 in CTS copper tubing. Designed for soldered connections in plumbing and HVAC piping systems, allowing disassembly for maintenance or repair

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first