Section 14(3) in The Liquefied Petroleum Gas (Regulation of Supply and Distribution) Order, 1993
(3)Pressure regulator shall conform to IS: 9798 specification having an inlet diameter of 25.6 mm ± 3 mm.[Schedule B] [Schedules A and B substituted by Notification No. G.S.R. 6 (E), dated 6th January, 1994.][See Clauses 4 and 5](Applicable to Parallel Marketeer System)A parallel marketeer under the parallel marketing system may deal with and use.-(a)Cylinder of any size, shape, design and weight, other than those specified in Schedule 'A', conforming to Indian Standard specifications.(b)Gas cylinder valve conforming to IS specification 8737, Part II of any size having an outlet collar diameter other than 25.6 ± 3 mm.(c)Pressure regulators conforming to IS specification 9798 of any size and having an inlet diameter other than 25.6 mm ± 3 mm.Note - (1) The cylinder used by a parallel marketeer shall be provided with a valve protection ring different in shape from that in the cylinders used by the Government Oil Company.
