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ASTM D1785 and ASTM F441 - PVC and CPVC Pipes Schedule 40 & 80

Standard dimensions and weight of PVC - Polyvinyl Chloride - and CPVC - Chlorinated Polyvinyl Chloride

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Typical weight and dimensions of industrial PVC and CPVC pipes equal to steel pipes schedule 40 and 80 are indicated in the table below.

  • ASTM D1785 Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe, Schedules 40, 80, and 120 is manufactured to meet the needs of a broad range of industrial, commercial and residential piping systems. ASTM D1785 covers pipes made for water distribution and irrigation systems.
  • ASTM F441 Standard Specification for Chlorinated Poly(Vinyl Chloride) (CPVC) Plastic Pipe, Schedules 40 and 80

Chlorinated Poly(Vinyl Chloride) (CPVC) pipes are usable for water distribution at elevated temperatures.

PVC and CPVC Pipes - Schedule 40
Nominal Pipe Size
(inches) 		Outside Diameter
(inches)
 Minimum Wall Thickness
(inches)
 Inside Diameter*)
(inches)
 Weight
(lb/ft)
PVC CPVC
1/2 0.840 0.109 0.622 0.16 0.17
3/4 1.050 0.113 0.824 0.21 0.23
1 1.315 0.133 1.049 0.32 0.34
1 1/4 1.660 0.140 1.380 0.43 0.46
1 1/2 1.900 0.145 1.610 0.51 0.55
2 2.375 0.154 2.067 0.68 0.74
2 1/2 2.875 0.203 2.469 1.07 1.18
3 3.500 0.216 3.068 1.41 1.54
4 4.500 0.237 4.026 2.01 2.20
5 5.563 0.258 5.047 2.73
6 6.625 0.280 6.065 3.53 3.86
8 8.625 0.322 7.981 5.39 5.81
10 10.750 0.365 10.020 7.55 8.24
12 12.750 0.406 11.938 10.01 10.89
14 14.000 0.437 13.124 11.80
16 16.000 0.500 15.000

15.43

For sizes 1 1/4" and larger ASTM D1785 Schedule 40 pipe is comparable to ASTM D2665 for DWV applications.

Note that CPVC are available as CTS - Copper Tube Sized - tubes for plumbing.

PVC and CPVC Pipes - Schedule 80

Nominal Pipe Size
(inches) 		Outside Diameter
(inches)
 Minimum Wall Thickness
(inches)
 Inside Diameter*)
(inches)
 Weight
(lb/ft)
PVC CPVC
1/2 0.840 0.147 0.546 0.20 0.22
3/4 1.050 0.154 0.742 0.27 0.30
1 1.315 0.179 0.957 0.41 0.44
1 1/4 1.660 0.191 1.278 0.52 0.61
1 1/2 1.900 0.200 1.500 0.67 0.74
2 2.375 0.218 1.939 0.95 1.02
2 1/2 2.875 0.276 2.323 1.45 1.56
3 3.500 0.300 2.900 1.94 2.09
4 4.500 0.337 3.826 2.75 3.05
5 5.563 0.375 4.813 3.87
6 6.625 0.432 5.761 5.42 5.82
8 8.625 0.500 7.625 8.05 8.83
10 10.750 0.593 9.564 12.00 13.09
12 12.750 0.687 11.376 16.50 18.0
14 14.000 0.750 12.500 19.30
16 16.000 0.843 14.314 25.44

*) Inside Diameter = Outside Diameter - 2 x Minimum Wall Thickness

  • 1 lb = 0.4536 kg
  • 1 ft (foot) = 0.3048 m
  • 1 in (inch) = 25.4 mm

PVC - Polyvinyl Chloride

PVC is the strongest and one of the most widely used plastic pipe. PVC has poor resistance to solvents and is used for both pressure and non-pressure applications. PVC is approved for potable water systems.

  • strong and rigid
  • resistant to a variety of acids and bases
  • may be damaged by some solvents and chlorinated hydrocarbons
  • maximum usable temperature 140oF (60oC)
  • usable for water, gas and drainage systems
  • not usable in hot water systems
Operating Temp
(°F) 		Operating Temp
(°C) 		De-Rating Factor
73 22.8 1.00
80 26.7 0.88
90 32.2 0.75
100 37.8 0.62
110 43.3 0.51
120 48.9 0.40
130 54.4 0.31
140 60 0.22

CPVC - Chlorinated Polyvinyl Chloride

CPVC is a chemical modification of PVC, with an extra chlorine atom in its structure that extends the service temperature to about 180 - 200°F (82 - 93°C). Sizes and other properties are very similar to PVC.

Operating Temp
(°F) 		Operating Temp
(°C) 		De-Rating Factor
73 - 80 22.8 - 26.7 1.00
90 32.2 0.91
100 37.8 0.82
110 43.3 0.72
120 48.9 0.65
130 54.4 0.57
140 60 0.50
150 65.6 0.42
160 71.1 0.40
170 76.7 0.29
180 82.2 0.25
200 93.3 0.20

Note!

  • ASTM D2665 covers PVC drain, waste and vent pipe and fittings
  • CPVC pipes are available in Copper Tube Sizes (CTS) - in accordance to ASTM D2846 "Standard Specification for Chlorinated Poly(Vinyl Chloride) (CPVC) Plastic Hot- and Cold-Water Distribution Systems".
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  • Engineering ToolBox, (2004). ASTM D1785 and ASTM F441 - PVC and CPVC Pipes Schedule 40 & 80. [online] Available at: https://www.engineeringtoolbox.com/pvc-cpvc-pipes-dimensions-d_795.html [Accessed Day Mo. Year].

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