Product Ratings

Harvel® EnviroKing®UV piping is available in two iron pipe size (IPS) pipe dimensions; ThinWall™ dimensions specifically developed for use in photobioreactor construction, and standard Schedule 40 dimensions.

Pressure ratings are dependent on the pipe diameter selected, the wall thickness, and the operating temperature of the system. As temperatures rise, the pressure rating of the system decreases. Smaller diameter piping can withstand higher pressures than large diameter piping. Refer to the tables below for dimensions, tolerances, and pressure ratings. The temperature de-rating factors shown at right are to be multiplied by the pressure ratings listed to determine the maximum pressure rating of the pipe at elevated temperatures.

ThinWall™
Nominal Pipe
Size (inches)		 O.D. Average
I.D.		 Min.
Wall		 Nominal
Wt./Ft.		 Max. W.P.
PSI*
2 2.375 2.173 0.091 0.456 80
3 3.500 3.210 0.135 0.966 80
4 4.500 4.134 0.173 1.569 80
6 6.625 6.251 0.172 2.391 70
8 8.625 8.251 0.172 3.134 53
10 10.750 10.376 0.172 3.923 43
12 12.750 12.376 0.172 4.666 36
*Pressure ratings shown are for water, non-shock@73°F

 

De-rating Factors
Operating Temp °F De-rating Factor
73 1.00
80 0.88
90 0.75
100 0.62
110 0.51
120 0.40
130 0.31
140 0.22

 

Schedule 40
Nominal Pipe
Size (inches)		 O.D. Average
I.D.		 Min.
Wall		 Nominal
Wt./Ft.		 Max. W.P.
PSI*
½ 0.840 0.602 0.109 0.170 300
¾ 1.050 0.804 0.113 0.226 240
1 1.315 1.029 0.133 0.333 220
1¼ 1.660 1.360 0.140 0.450 180
1½ 1.900 1.590 0.145 0.537 170
2 2.375 2.047 0.154 0.720 140
2½ 2.875 2.445 0.203 1.136 150
3 3.500 3.042 0.216 1.488 130
3½ 4.000 3.521 0.226 1.789 120
4 4.500 3.998 0.237 2.118 110
6 6.625 6.031 0.280 3.733 90
*Pressure ratings shown are for water, non-shock@73°F