Marking of Materials [49 CFR 192.63]

(A)A. Except as provided in Subsection D and E of this Section each valve, fitting, length of pipe, and other component must be marked as prescribed in the specification or standard to which it was manufactured. [49 CFR 192.63(a)]#

(1)1. as prescribed in the specification or standard to which it was manufactured, except that thermoplastic pipe and fittings made of plastic materials other than polyethylene must be marked in accordance with ASTM D 2513-87 (incorporated by reference, see §507); [49 CFR 192.63(a)(1)#

(2)2. to indicate size, material, manufacturer, pressure rating, and temperature rating, and as appropriate, type, grade, and model. [49 CFR 192.63(a)(2)]#

(B)B. Surfaces of pipe and components that are subject to stress from internal pressure may not be field die stamped. [49 CFR 192.63(b)]#

(C)C. If any item is marked by die stamping, the die must have blunt or rounded edges that will minimize stress concentrations. [49 CFR 192.63(c)]#

(D)D. Subsection A of this Section does not apply to items manufactured before November 12, 1970 that meet all of the following. [49 CFR 192.63(d)]#

(1)1. The item is identifiable as to type, manufacturer, and model. [49 CFR 192.63(d)(1)]#

(2)2. Specifications or standards giving pressure, temperature, and other appropriate criteria for the use of items are readily available. [49 CFR 192.63(d)(2)]#

(E)E. All plastic pipe and components must also meet the following requirements. [49 CFR 192.63(e)]#

(1)1. All markings on plastic pipe prescribed in the listed specification and the requirements of Paragraph E.2 of this Section must be repeated at intervals not exceeding two feet. [49 CFR 192.63(e)(1)]#

(2)2. Plastic pipe and components manufactured after December 31, 2019 must be marked in accordance with the listed specification. [49 CFR 192.63(e)(2)]#

(3)3. All physical markings on plastic pipelines prescribed in the listed specification and Paragraph E.2 of this Section must be legible until the time of installation. [49 CFR 192.63(e)(3)]#

AUTHORITY NOTE: Promulgated in accordance with R.S. 30:501 et seq.#

HISTORICAL NOTE: Promulgated by the Department of Natural Resources, Office of Conservation, LR 9:221 (April 1983), amended LR 10:512 (July 1984), LR 18:854 (August 1992), LR 20:443 (April 1994), LR 24:1308 (July 1998), LR 30:1229 (June 2004), LR 38:114 (January 2012), LR 44:1036 (June 2018), LR 46:1581 (November 2020).#