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Occupational Health and Safety Act, 1993 (Act No. 85 of 1993)


Pressure Equipment Regulations, 2009

9. Pressure equipment marking


(1) Every manufacturer of pressure equipment shall cause the pressure equipment to be marked in accordance with the relevant health and safety standard incorporated into these Regulations under section 44 of the Act.


(2) Every manufacturer shall cause a data plate to be permanently fixed in a conspicuous place to any steam generator or pressure vessel with the following minimum particulars:
(a) Name of manufacturer;
(b) country of origin;
(c) year of manufacture;
(d) manufacturer's serial number;
(e) reference number, date and edition of the health and safety standard;
(f) design pressure in units of Pascal;
(g) design temperature for both minimum and maximum in degrees Celsius;
(h) capacity in cubic metres;
(i) unique mark of an approved inspection authority as applicable; and
(j) the hazard category in accordance with the requirements of SANS 347.


(3) In the case of composite pressure equipment the following information shall be included in addition to that referred to in sub-regulation (2):
(a) The resin system of the corrosion barrier/lining;
(b) the resin system of the structural wall; and
(c) the name and specific gravity of the medium for which the vessel was designed.


(4) No person may remove a marking or data plate referred to in this regulation or wilfully damage or alter the particulars marked thereon, except as provided in this regulation.


(5) A user shall ensure that any modification that changes the original design conditions is identified by affixing an additional data plate.


(6) A user shall ensure that a data plate is affixed to any steam generator or pressure vessel that has been re-certified: Provided that where the manufacturer is unknown, the user responsible for the re-certification shall be deemed to be the manufacturer.