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The cap features a female solder cup. These fittings are used to fit over the end of pipe to seal the end. Please refer to NIBCO technical data sheets and catalogs for engineering and installation information. In addition to its inherent qualities of beauty, durability and low maintenance, copper's reusability makes it an ideal application in sustainable projects. NIBCO® copper fittings are manufactured in an ISO 9001 certified facility, and backed by a 50-year limited warranty. Because of its longstanding reputation for innovation and precision in design and manufacturing, NIBCO is the preferred brand in the industry.
Copper Fittings Installation Instructions
- Dezincification resistant
- Use in U.S. drinking water applications is prohibited after January 3, 2014
- ASTM B584 Alloy C84400
- Material and workmanship per ASME B16.18
Copper Fittings Installation Instructions
Manufacturer Resources
NIBCO Copper Fittings Catalog
Product Specs
- All Basic Material:
- Bronze
- Classification:
- Solder Pressure Caps
- End Connection:
- Solder
- Metal End Connection Type:
- C
- Product Group:
- Fitting
- Product Type:
- Solder Pressure Caps
- System Use:
- Commercial Plumbing, Fire Protection, Heating, HVAC, Industrial, Irrigation, Residential Plumbing
- Product Subgroup:
- Cap
- Department:
- Plumbing
- Product Height:
- 3.62 in
- Product Weight:
- 9.073 lb
- Product Width:
- 6.65 in
- Country Of Origin:
- United States
- Product Length:
- 6.65 in
Nibco B173200 – Frequently Asked Questions
1) What size copper tube does the Nibco 717 cap fit?
The 717 cast bronze tube cap is made for 6 inch copper tube, ordered under part number B173200. It has a female solder cup, so it slips over the outside of the tube end and is soldered in place.
2) Can I use the Nibco 717 bronze cap on a potable water line?
No. The 717 cast bronze cap is cast from ASTM B584 alloy C84400, and use in U.S. drinking water applications has been prohibited since January 3, 2014. Keep it to non-potable service such as fire protection, heating, HVAC, industrial and irrigation piping.
3) Is this a solder fitting or a press fitting?
Solder. The 717 has a C end, meaning a female solder cup that takes the tube inside it, so it is joined with flux and solder or brazing alloy. There is no press, thread or push connection on it.
4) Why is the 6 inch Nibco 717 cap cast bronze instead of wrought copper?
At 6 inch, the cap is produced as a cast bronze fitting rather than a stamped wrought copper one. The material is bronze per ASTM B584 alloy C84400, with material and workmanship to ASME B16.18. It also carries a dezincification resistant designation, which matters where water chemistry attacks the zinc in ordinary brass.
5) Will this cap hold system pressure or is it just a dust cap?
It is a pressure fitting, classified as a solder pressure cap, meant to permanently seal the end of a run once soldered. It is not a temporary or protective cap. Workmanship follows ASME B16.18, the standard for solder joint pressure fittings.
6) Can I use the Nibco 717 cap to dead-end a sprinkler or fire protection main?
Yes, fire protection is one of the listed services for the 717 cap, along with commercial and residential plumbing, heating, HVAC, industrial and irrigation. It seals the end of the tube with a soldered female cup joint, so the run has to be sized for a 6 inch copper end.
How fast can I get the Nibco B173200 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Nibco B173200 come with a warranty?
Absolutely. The Nibco B173200 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Nibco B173200?
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installation tips, and troubleshooting. Contact Us
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