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- ProPEX rings are required to make ProPEX connections. The 1/2 in through 3 in rings include a leading-edge chamfer and integral stop edge to further simplify the use of ProPEX fittings.
Uponor Ring, Fitting/Connector Type: Ring, 3 in Nominal Size, PEX, 3.12 in Length, Polyethylene, 3.12 in ID x 3.16 in OD
- ASTM F877 specification for crosslinked polyethylene (PEX) plastic hot and cold-water distribution systems
- ASTM F876 specification for crosslinked polyethylene (PEX) tubing
- ASTM F1960 specification for cold expansion fittings with PEX reinforcing rings for use with cross-linked polyethylene (PEX) tubing
- ASTM E84 test method for surface burning characteristics of building materials
- ASTM E814 test method for fire tests of penetration firestop systems
- ASTM E119 test methods for fire tests of building construction and materials
- End StyleF1960 Cold Expansion PEXFitting / Connector TypeRingMaterialPolyethyleneNominal Size3 inDimensions3.12 in ID x 3.16 in ODLength3.12 inManufacturerUponorManufacturer #Q4693000