Part	Working	Vacuum	Weight    Standard
I.D.	Number	Pressure	Rating	per ft	Length

11/4"	DC-125	41 psi	30” Hg	0.24 lb	25 ft
11/2	DC-150	41	30	0.30	 25
13/4	DC-175	35	28	0.34	25
2	DC-200	33	28	0.40	25
21/4	DC-225	30	28	0.46	25

21/2	DC-250	27	28	0.52	25
3	DC-300	23	27	0.64	25
31/2	DC-350	20	26	0.76	25
4	DC-400	18	25	0.89	25 or 50
41/2	DC-450	16	20	1.07	25

5	DC-500	14	18	1.15	25 or 50
51/2	DC-550	14	16	1.30	25
6	DC-600	14	14	1.33	25 or 50
7	DC-700	12	12	1.54	25
8	DC-800	11	10	1.75	25 or 50

9	DC-900	10	6	2.00	25
10	DC-1000	10	5	2.17	25
12	DC-1200	8	3	2.63	25
14	DC-1400	6	2	3.07	25
16	DC-1600	5	2	3.50	25

18	DC-1800	3	1	3.95	25
20	DC-2000	-	-	4.40	25
24	DC-2400	-	-	5.40	25