Nominal	OD	Wall Thickness		PRESSURE RATING
Size in Inch.	mm	Sch No.	mm	PSI.
1/2"	21.24	40	2.77	600
		80	3.73	850
3/4"	26.57	40	2.87	480
		80	3.91	690
1"	33.27	40	3.38	450
		80	4.55	630
1-1/4"	42.03	40	3.56	370
		80	4.85	520
1-1/2"	48.11	40	3.68	330
		80	5.08	470
2"	60.17	SDR26	2.31	160
		40	3.91	280
		80	5.54	400
2-1/2"	73.00	40	5.16	300
	75.00	80	7.01	420
3"	88.70	SDR32.5	2.74	125
		40	5.49	260
		80	7.62	370
4"	114.07	SDR41	2.8	100
		40	6.02	220
		80	8.56	320
6"	168.00	SDR41	4.11	100
		40	7.11	180
		80	10.97	280
8"	218.70	SDR41	5.33	100
		40	8.18	160
		80	12.70	250