N.Y. Comp. Codes R. & Regs. tit. 16 § 255.191

Current through Register Vol. 46, No. 41, October 9, 2024

Section 255.191 - Design pressure of plastic fittings

(a) The design pressure of polyvinyl chloride (PVC) Schedules-40 and 80 thermoplastic fittings must be obtained from the following table:

*PVC Type IIClass Location*
*Size inches*	*Schedule*	1	*2 & 3*	4	1	*2 & 3*	4
1/2	40	100	100	100	100	100	100
80	100	100	100	100	100	100
3/4	40	100	100	96	100	100	100
80	100	100	100	100	100	100
1	40	100	100	90	90	100	100
80	100	100	100	100	100	100
80	100	100	100	100	100	100
11/4	40	100	92	74	100	100	100
80	100	100	100	100	100	100
11/2	40	100	83	86	100	100	100
80	100	100	94	100	100	100
2	40	89	69	55	100	100	100
80	100	100	81	100	100	100
21/2	40	99	76	61	100	100	100
80	100	100	85	100	100	100
3	40	84	66	53	100	100	100
80	100	94	75	100	100	100
31/2	40	77	60	48	100	100	96
80	100	86	69	100	100	100
4	40	71	56	44	100	100	89
80	100	81	65	100	100	100
5	40	82	49	39	100	97	78
80	93	72	58	100	100	100
6	40	56	44	35	100	88	71
80	89	70	56	100	100	100

Note:

These pressure ratings are the same value as the design pressure of the corresponding pipe size and schedule in the same class location, as determined by the formula given in section 255.121 of this Part.

N.Y. Comp. Codes R. & Regs. Tit. 16 § 255.191