Legal Metrology Act, 2014 (Act No. 9 of 2014)

Regulations

Legal Metrology Regulations, 2017

Part XI : Measuring instruments and containers used for prescribed purposes

110. Liquefied petroleum gas meter systems
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(1) Except as otherwise provided in this regulation, the liquefied petroleum gas meter system must conform to provisions of regulation 108(1), (3), (4) and (5).

 

(2)
(a) The meter in a liquefied petroleum gas meter system must be operated under pressure from a pump.
(b) A device must be provided in a liquefied petroleum gas meter system, situated as closely as possible to the meter on the outlet side thereof, for automatically maintaining the pressure required in the liquefied petroleum gas meter system in order to prevent vaporisation of the product being measured.
(c) Any flexible delivery hose provided in a liquefied petroleum gas meter system must be non-expansible and suited to the product being measured, and must have the control valve together with a spring-loaded check and non-return valve situated at its outlet, or must have a self-sealing coupling for connection to the receiving vessel.
(d) A vapour line must be provided in a liquefied petroleum gas meter system for use when required for equalising the pressure in the supply tank and in the measure used for testing the meter.
(e) A vapour line in a liquefied petroleum gas meter system must not be used between the supply tank and the receiving vessel during the delivery of the product to a purchaser.

 

(3)
(a) The vapour line referred to in subregulation (2)(d) must be connected, the pressure equalised and the liquefied petroleum gas meter system, including the test measure, flushed before any initial test of a meter is commenced.
(b) The meter in a liquefied petroleum gas meter system must be tested in accordance with the provisions of regulation 108(6)(a) to (m), where applicable.

 

(4)The permissible errors on a meter in a liquefied petroleum gas meter system must be twice those specified in regulation 108(7).