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NIBCO Sweat Fitting Coupling: 3 1/2 in CTS x 3 1/2 in CTS, Cup x FTG - Wrot Copper Tube Fittings
NIBCOWrot Copper Tube Fittings

NIBCO Sweat Fitting Coupling: 3 1/2 in CTS x 3 1/2 in CTS, Cup x FTG

SKU 3G-OTH-472385

Brand
NIBCO
Item
Sweat Fitting Coupling: 3 1/2 in CTS x 3 1/2 in CTS, Cup x FTG
Category
Wrot Copper Tube Fittings
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Technical Specifications

NIBCO
Manufacturer Part Number
600DS 31/2
Type
Cup x FTG, Dimple Center Stop
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NIBCO Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is NIBCO 600DS 31/2 sweat fitting coupling used for?

This NIBCO wrot copper tube coupling joins two 3 1/2 in CTS copper pipes in plumbing, HVAC, and industrial fluid systems. The dimple center stop ensures correct insertion depth for reliable solder joints.

What are the specifications of NIBCO 600DS 31/2 sweat fitting coupling?

This NIBCO coupling is 3 1/2 in CTS x 3 1/2 in CTS, cup x FTG with a dimple center stop. It is a wrot copper tube fitting, MPN 600DS 31/2, designed for sweat/solder connections in copper piping systems.

Where to buy NIBCO 600DS 31/2 sweat fitting coupling worldwide?

3G Electric supplies and delivers the NIBCO 600DS 31/2 coupling worldwide. We handle full logistics and customs clearance, sourcing genuine industrial fittings across 14 departments including plumbing and HVAC.

How to install NIBCO 600DS 31/2 sweat fitting coupling?

Clean pipe ends and fitting cup, apply flux, insert pipe to the dimple center stop, heat evenly, and apply solder until a visible ring forms. Allow to cool naturally. Follow standard copper sweat fitting practices for reliable joints.

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 wrot copper 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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