Zurn PEX® XL-Low Lead Brass 1" Barb x 1" Barb x 1/2" NPT. The QQFST553GFX is used to branch off the main line to a sprinkler in multipurpose piping systems. Manufactured from EcoBrass®. These fittings, as a system with Zurn PEX® tube, are pressure rated at 160 PSI at 73°F, 130 PSI at 120°F (fire protection rating),100 PSI at 180°F, and 80 PSI at 200°F. These fittings are listed by NSF as complying with the following standards: NSF/ANSI Standard 14, NSF/ANSI Standard 61 including Annex G, ASTM F877, CSA B137.5, ASTM F1807, and UL 1821.
Features:
- Brass (Lead Free Compliant)
- Use with copper crimp rings
- For Use in Residential Fire Sprinkler Systems
- NSF Listed, UL 1821 Listed