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NIBCO Sweat Fitting Union: 3/8 in CTS x 3/8 in Pipe, Cup x MNPT, Bronze (MPN 7334-3/8) - Cast Copper & Bronze Tube Fittings
NIBCOCast Copper & Bronze Tube Fittings

NIBCO Sweat Fitting Union: 3/8 in CTS x 3/8 in Pipe, Cup x MNPT, Bronze (MPN 7334-3/8)

SKU 3G-OTH-469320

Brand
NIBCO
Item
Sweat Fitting Union: 3/8 in CTS x 3/8 in Pipe, Cup x MNPT, Bronze
Category
Cast Copper & Bronze Tube Fittings
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Technical Specifications

NIBCO
Manufacturer Part Number
7334-3/8
Type
Cup x MNPT, Bronze
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NIBCO Products
3G Electric (S) Pte. Ltd. — Singapore

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 disconnection for maintenance. This bronze union joins 3/8 in CTS tubing to a 3/8 in male NPT threaded pipe, providing a leak-resistant seal in potable water and hydronic heating applications.

What are the specifications of the NIBCO 7334-3/8 union?

The NIBCO 7334-3/8 is a cast bronze sweat fitting union with a cup x MNPT configuration. It connects 3/8 in CTS copper tube to a 3/8 in male NPT threaded pipe. The bronze construction resists corrosion, making it suitable for water and heating systems.

Where to buy a NIBCO sweat fitting union worldwide?

3G Electric supplies the NIBCO 7334-3/8 sweat fitting 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 bronze union.

How to install a NIBCO sweat fitting union?

To install a NIBCO sweat fitting union, clean and flux the copper tube ends, then heat the cup end evenly until solder melts into the joint. For the threaded side, apply pipe thread sealant to the male NPT and tighten securely. Always follow local plumbing codes for safe installation.

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 cast copper & bronze tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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