PVC and CPVC Pipes - Schedule 40 & 80

Standard dimensions and weight of PVC - Polyvinyl Chloride - and CPVC - Chlorinated Polyvinyl Chloride - pipes according ASTM D1785

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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.

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

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".

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

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 0.438 13.124 11.80
16 16.000 0.500 15.000 15.43
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

  • 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

  • similar to PVC - but designed for water up to approx. 180oF (82oC)
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

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