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NIBCO Cap: 3/4 in CTS, Cup, Wrot Copper (MPN U617-3/4) - Wrot Copper Tube Fittings
NIBCOWrot Copper Tube Fittings

NIBCO Cap: 3/4 in CTS, Cup, Wrot Copper (MPN U617-3/4)

SKU 3G-OTH-472370

Brand
NIBCO
Item
Cap: 3/4 in CTS, Cup, Wrot Copper
Category
Wrot Copper Tube Fittings
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Technical Specifications

NIBCO
Manufacturer Part Number
U617-3/4
Type
Cup, Wrot Copper
View Full Spec Sheet

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

Frequently Asked Questions

What is a NIBCO wrot copper cap used for?

A NIBCO wrot copper cap seals the end of a copper tube in plumbing, HVAC, and refrigeration systems. It provides a permanent, leak-proof closure for 3/4 inch CTS copper lines, commonly used in potable water, hydronic heating, and industrial piping applications.

What are the specifications of the NIBCO U617-3/4 cap?

The NIBCO U617-3/4 is a cup-type wrot copper cap for 3/4 inch CTS (copper tube size). It is made from wrot copper for reliable soldered joints. The manufacturer part number is U617-3/4, and it is designed for use with standard copper tubing in plumbing and mechanical systems.

Where to buy NIBCO U617-3/4 copper cap worldwide?

3G Electric supplies the NIBCO U617-3/4 wrot copper cap to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and other NIBCO fittings across our 14 industrial departments.

How to install a NIBCO wrot copper cap?

Clean the tube end and cap cup with emery cloth, apply flux, then heat the joint evenly and apply solder until it flows fully around the cup. Allow to cool naturally. Always follow local plumbing codes and use lead-free solder for potable water systems. NIBCO fittings require proper soldering technique for a reliable seal.

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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