Approved To Use:GUOFIS PEX-A expansion rings are certified to ANSI/NSF-61 and ASSE 1061 product standard. And approved to be used underground and behind walls without access panels.
Product Compatibility:These pex expansion sleeve compatible with all types brands of PEX A pipe/tubing.Which is suitable for use in potable water and hydronic heating water distribution.
Special Design:The PEX expansion ring with an end stop includes a leading edge chamfer and stop edge to ensure proper placement of the sleeve.Then it can always maintain a close fit with the pipe connection, and can provide a strong connection function without auxiliary tools.
Widely Application:F1960 PEX expansion rings are commonly used with residential cold and hot water supply lines, radiant heat and cooling systems, fire suppression systems and ice melting systems.
Specifications:Qty: 1/2 inch expansion rings 100Pack | Connection pipe type: Pex A pipe | Max temperature: 200F | Max operating pressure: 160psi.