ABS: 104 - 106 C; PVC: 54 - 80 C; HDPE: 43 - 49 C; LDPE: 32 - 41 C; PP: 57 - 64 C; Vicat Softening Temperature - the temperature a needle shaped penetrator sinks a test piece specified depth a vertical load (1 kg) applied. ABS: 102.3 C; PVC: 92 C; PE: 127.3 C; PP: 152.2 C; Plastic Pipes .
The maximum operating temperature PVC pipe 140°F. pipe's pressure rating, other performance characteristics, be de-rated all temperatures 73.4°F (23°C); refer the table for appropriate de-rating factors (Source: Handbook PVC Pipe Design Construction, Edition; Published PVC Pipe .
The maximum operating temperature PVC influenced its molecular structure the presence additives. Pure PVC a glass transition temperature (Tg) approximately 82°C (180°F). this temperature, PVC more flexible rubbery nature, can affect mechanical properties dimensional stability.
Simply put, maximum operating reference temperature a PVC pipe 140°F (60°C). temperature PVC ideal material to transport variety cold materials, as water sewage, domestically industrially. . pressure rating PVC temperature dependent, the standard duty rate measured 68°F .
temperatures drop, tensile strength modulus elasticity most pipe materials increases, increasing potential low-temperature embrittlement. such, piping be handled accordance specific manufacturer's recommendations these temperature extremes, as in Table 1.
Temperature PVC handle temperatures to 140°F (60°C). CPVC handles temperatures to 210°F (99°C). . Maximum Pressure Rating Schedule 80 PVC/CPVC Pipe 73°F Size PSI Bar ½" 848 57.7 ¾" 688 46.8 1" 630 42.9 1¼" 520 35.4 1½" 471 32.0 2" 404 27.5 2½" 425 28.9 3" 375 25.5 4" 324 22.0
The pressure ratings above for water, non-shock, @ 73°F. specified derating factors PVC suitable pipe conveying water elevated temperatures. determine elevated temperature rating, multiply 73°F [23°C] pressure rating appropriate factor shown the table desired operating temperature. working .
For PVC fitting Schedule 40 PVC fittings Schedule 80, optimal temperature (at PVC operate the highest PSI) be 73 degrees Fahrenheit. the temperature the PVC increases pressure the PVC withstand decrease. chart will illustrate pressure derating PVC temperatures increase.
capacity increasing temperature. pressure ratings for PVC pipe for 73°F operating temperature. reduce pressure ratings PVC pressure pipe operating temperatures 73°F, multiply pressure rating pressure class the derating factors Table 2. applications 73°F, the published .
PVC Pipe Specifications, Sizes & Pressure Ratings PVC Pipe Physical Properties GENERAL Test Method Cell Classification 12454 ASTM D1784 Maximum Service Temp. 140°F Color White, Dark Gray . Heat Deflection Temperature Load (264 psi, annealed) 170 ASTM D648 Specific Heat, Cal./°C/gm 0.25 ASTM D2766 ELECTRICAL
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