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NIBCO 617-3/8 Wrot Copper Cap, 3/8 in CTS, Cup Type - Wrot Copper Tube Fittings
NIBCOWrot Copper Tube Fittings

NIBCO 617-3/8 Wrot Copper Cap, 3/8 in CTS, Cup Type

NIBCO Wrot Copper Tube Fittings. Specifications: Type: Cup, Wrot Copper.

SKU 3G-OTH-472561

Also listed as: 61738 · 617 3 8 · 617-3-8

Brand
NIBCO
Item
617-3/8 Wrot Copper Cap, 3/8 in CTS, Cup Type
Category
Wrot Copper Tube Fittings
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

NIBCO
Manufacturer Part Number
617-3/8
Type
Cup, Wrot Copper

Technical Documents

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

Product Description

NIBCO Wrot Copper Tube Fittings. Specifications: Type: Cup, Wrot Copper.

Frequently Asked Questions

What is a NIBCO 617-3/8 wrot copper cap used for?

This NIBCO 617-3/8 wrot copper cap seals the end of 3/8-inch CTS copper tubing in plumbing and HVAC systems. It provides a permanent, leak-proof closure for water, gas, or refrigerant lines, commonly used in residential and commercial piping installations.

What are the specifications of the NIBCO 617-3/8 cap?

The NIBCO 617-3/8 is a cup-type wrot copper cap for 3/8-inch CTS (Copper Tube Size) tubing. It is made from wrot copper for durability and corrosion resistance, designed for sweat-soldering installation. The manufacturer part number is 617-3/8.

Where to buy NIBCO 617-3/8 caps worldwide?

3G Electric supplies NIBCO 617-3/8 wrot copper caps to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this and other NIBCO fittings.

How to install a NIBCO wrot copper cap?

Clean the tubing end and cap cup with emery cloth. Apply flux to both surfaces, then slide the cap onto the tube. Heat the cup evenly with a propane torch until solder melts into the joint. Remove heat and let cool. Wipe excess flux after soldering for a clean 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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