ASTM D 3034 GASKET
SIZE	SDR	DIA. INCH	MIN. WALL	AVE. INSIDE DIA.	WT. PER FT.
4	SDR 35	4.215	.120	3.971	1.057
	SDR 26	±.009	.162	3.887	1.368
6	SDR 35	6.275	.180	5.910	2.326
	SDR 26	±.011	.241	5.788	3.394
8	SDR 35	8.400	.241	7.914	4.178
	SDR 26	±.012	.323	7.748	5.507
10	SDR 35	10.50	.300	9.893	6.574
	SDR 26	±.015	.404	9.685	8.618
12	SDR 35	12.50	.360	11.771	9.441
	SDR 26	±.018	.481	11.529	12.258
15	SDR 35	15.30	.437	14.414	14.100
	SDR 26	±.023	.588	14.113	18.448
18	SDR 35	18.701	.499	17.643	20.892
	SDR 26	±.028	.671	17.278	27.440