Many RVs have PEX pipes, right?
Industry Standards for PEX Systems
•
ASTM F876 “Standard Specification
for Crosslinked Polyethylene
Tubing”
– Pipes are CTS, SDR9, with tight tolerances on dimensions
– Minimum Quick Burst Capability:
• 475 psi @ 73.4°F, 210 psi @ 180°F, 180 psi @ 200°F
– Long-term Pressure Ratings:
• 160 psi @ 73.4°F, 100 ps
i @ 180°F, 80 psi @ 200°F
– Sustained Pressure Tests
• Up to 16,000 hours accelerated l
aboratory hydrostatic testing is
required for PPI “Standard Grade” listings
These specifications are from: http://plasticpipe.org/pdf/pex-plumbing-presentation-01-17-2011.pdf
Pretty stout stuff, seems to me...