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The couplings feature a center
body section constructed of ASTM D-2513/ISO 4437
gas grade polyethylene (3408).To ensure a safe connection,
Permasert® XL couplings are designed
to withstand the pressure of the PE piping or tubing
installed or up to 125 psig for PE-to-steel or cast
iron transitions. The Permasert® XL couplings
meet or exceed the requirements of US DOT CFR Title
49, Part 192.283(b) and ASTM D-2513 category 1.
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