04.04.2015 Views

An Overview of One-Sun Solar Thermal Technology

An Overview of One-Sun Solar Thermal Technology

An Overview of One-Sun Solar Thermal Technology

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Is there a Freeze-tolerant Piping?<br />

• Polybutylene:<br />

• PEX?<br />

• Great freeze tolerance (withstood >700 freeze-thaw cycles)<br />

• Withdrawn from market ~1992<br />

Probable reason: Brass/copper fittings attack the material<br />

• Some manufactures/web sites claim “freeze tolerance”<br />

• No documentation<br />

Goal: determine freeze-tolerance <strong>of</strong> PEX<br />

SEET <strong>Solar</strong> <strong>Thermal</strong> Seminar 7/26/07

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!