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    the diference between pvc and cpvc

    Have already visited: 77701/18/2018  

    The main difference between CPVC and PVC is the range of temperatures each is capable of withstanding. CPVC can handle temperatures up to 200° Fahrenheit, while PVC peaks at 140° Fahrenheit. Above those temperatures, both CPVC and PVC will begin to soften, increasing the risk of joints and pipes failing.

    The primers, solvent cements, and bonding agents are different for PVC and CPVC due to the differences in their chemical composition. For example, CPVC solvent cements must meet ASTM F493 specifications, and PVC solvent cements must meet ASTM D2564 specifications. Because of this, CPVC and PVC pipes and fittings, along with their solvents and bonding agents, should not be used interchangeably. In addition to meeting ASTM specifications, there are different solvent cements required based on the pipe’s size and intended application, so check the product containers to be sure you’re using the correct agent for the correct application.

         cpvc double union valve                     pvc double union valve

    PVC comes in nominal pipe sizes only, while CPVC is available in both nominal pipe sizes and copper tube sizes. CPVC has greater flexibility than PVC, and requires support at three foot intervals to maintain its position.

    Characteristic

    Schedule 40 PVC

    Schedule 80 PVC

    Schedule 40 CPVC

    Schedule 80 CPVC

    Cost

    $0.40 / ft.

    $0.52 / ft

    $2.50 / ft

    $3.02 / ft

    Color

    white, dark grey

    white, dark grey

    light grey, off-white, yellow

    light grey, off-white, yellow

    End Shape

    plain, bell

    plain, bell

    plain

    plain

    Working Max Pressure

    450 PSI

    630 PSI

    450 PSI

    630 PSI

    Tensile Strength

    7500 PSI

    7500 PSI

    8200 PSI

    8200 PSI

    Standard Length

    10', 20'

    10', 20'

    10'

    10'

    Sizing

    NPS

    NPS

    NPS, CTS

    NPS, CTS

    Max Temp

    140° F

    140° F

    200° F

    200° F

    Min Temp

    33° F

    33° F

    33° F

    33° F



     

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