is pex pipe better than copper?
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We generally belive that Plumbing PEX Tubing is much better than Copper for most, if not all, plumbing systems. ... PEX Tubing is much more resistant to freeze-breakage than copper or rigid plastic pipe. PEX Tubing is cheaper because it takes much less labor to install. PEX Tubing is quickly becoming the industry standard.
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Copper wire is heavier, and aluminum is lighter and silver grey. The other main difference between copper and aluminum wires is the resistance of the material. ... Copper not only has a higher conductivity than aluminum, but is more ductile, with relatively high tensile strength, and can be soldered.
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Cross-linked polyethylene (PEX) tubing is a plastic material used for water supply piping systems. The product offers several advantages over copper, PVC, and galvanized steel plumbing pipes. PEX is flexible and easier to install than a rigid pipe, and it offers high heat-resistance and long-term durability.
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Certain types of PEX can even expand up to three times the pipe's diameter. PEX also resists corrosion, pitting and scale buildup, so there's never a concern about pinhole leaks or restricted water flow. ASTM International, a standards organization, requires that the life expectancy for PEX pipe be at least 50 years.
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Flexibility - PEX-A is the most flexible, allowing for it to be fastened by cold expansion, which allows the end to be fluted prior to inserting the fitting. PEX B is not expandable and you should never expand the end of a PEX-B pipe. Kink-Resistance - PEX-A has the greatest resistance, PEX-B the lowest.
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Generally, dealers will accept number one copper with slight oxidation and corrosion. However, the wires and cables need to be clean and have the insulation and fittings stripped off. Number two copper is generally more tarnished.
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What are the main advantages and disadvantages of plastic piping in comparison with steel? Plastic piping can be more economical to install than metal and more corrosion resistant; but plastic is more fragile and requires extra design attention due to higher rate of thermal expansion.
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Copper carries electrical pulses along its metal strands. Fiber optics, on the other hand, carry pulses of light along flexible glass threads. This difference often equates to fiber being the best solution for a new or upgraded network, and therefore being worth the heavier up-front investment.
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PEX is the plastic piping that came about to replace the polybutylene. As a general rule you can assume that it is PEX if it any color but gray if it was installed after 1998 and polybutylene if it was installed before 1993.
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Brass olives on copper, especially on hot water systems where their expansion properties are better than copper olives. Copper olives on plastic as per manfacturers regs. Copper on chrome pipe as they bite into the chrome better. I personally much prefer soldered fittings as they are much more secure.
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PEX is basically a flexible tubing that's used for water piping. CPVC is more of a vanilla/cream color, and it comes in stick pipes where the fittings need to be glued together. ... B type PEX is more mainstream, where the fittings are inserted on the inside of the pipe and crimped together.
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HDPE is a softer, more bendable plastic, making HDPE pipe more suitable for lower pressure, tight bending radius situations. On the other hand, PVC is a much stronger and stiffer material, which is why PVC pipes are more widely used for direct burial and trenchless installations.
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As with any other pipes, PEX is not prone to leaking. Nearly all of the plumbing leaks occur at joints (connection spots) and most of them are due to incorrect installation. Much like installing PEX tubing, repairing it is also an easy process.
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The key difference between types L and M is their pressure rating and wall thickness. The most common copper pipe sizes are ½ and ¾ inches. Type M ½ inch measures 0.028” in wall thickness whereas type L ½ inch measures 0.04” in wall thickness.
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Cross-linked polyethylene (PEX) pipe can be used for both hot and cold water applications. Polyethylene (PE) pipes are ONLY for cold water applications. ... PEX is PE which has undergone an additional process which cross links the polymer chains present in PE.
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Most saddle valves are designed to work with standard rigid copper pipes—they are not recommended for PVC, CPVC, or PEX plastic pipe. They are also designed for water systems with a maximum pressure of no more than 125 psi.
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PEX Tubing is much more resistant to freeze-breakage than copper or rigid plastic pipe. PEX Tubing is cheaper because it takes much less labor to install. ... Attaching PEX tube to fittings does not require soldering, and so eliminates the health hazards involved with lead-based solder and acid fluxes.