36
37
Working
Gas
Filling ratio
pressure
71. (1) No person shall fill any cylinder, or cause or permit any Filling of cylinder to be filled, with any dissolved gas unless-
cylinders
in lb. per
containing
59. Luch
Nitrous Oxide (if impurities present do not exceed
0.1%)
Nitrous Oxide (except as specifled above) Sulphur Dioxide
(4) the cylinder is completely filled with a homogeneous porous dissolved
substance of porosity not exceeding eighty per cent;
0.667
0.625
(b) without prejudice to sub-paragraph (a), if the cylinder contains
a solvent, the solvent--
1.19
163
Trichloromonofluoromethane (Arcton 11, Freon
11)
1.30
37.4
0.31
156
As determined by the Authority.
As determined by the Authority.
Trimethylamine
Any other liquefied gas not above specified, excepting liquefied air or oxygen or a gas which liquefice at atmospheric pressure,
(3) No person shall fill any cylinder, or cause or permit any cylinder to be filled, with any hydrocarbon gas mixture composed of or mainly of butane, isobutane and propane in excess of a quantity equivalent in weight to the number of pounds of water which the cylinder is capable of containing multiplied by the filling ratio specified in the second column of the table to this paragraph in respect of a mix- ture having, in the liquid state, a density specified in the first column of the table at a temperaturo of 60° Fahrenheit (15.5° Centigrade).
(i) is not of a kind capable of chemical reaction with the gas in the cylinder, the homogeneous porous substance or the metal of the cylinder; and
(i) when the cylinder is fully charged, does not completely fill the porosity of the homogeneous porous substance at a temperature of 149° Fahrenheit (65" Centigrade);
(c) the tare weight is stamped in a conspicuous place on the out-
side of the cylinder:
(d) the cylinder valve contains not more than seventy per cent of
copper in its composition;
(e) the cylinder bears a conspicuous metal tag, ring or plate securely attached to the cylinder, otherwise than by welding or brazing, declaring the name of the manufacturer of the cylinder; and in addition thereto is labelled with the date when it was last charged, and the name and address of the person. company or firm by whom it was last charged, and the weight of gas and equivalent volume in cubic feet at 60° Fahrenheit (15.5° Centigrade) and the maximum pressure allowed in the cylinder at such temperature, and the name of the gas in the cylinder.
(2) No person shall fill any cylinder, or cause or permit any cylinder to be filled, with any dissolved gas to such an extent that, at a temperature of 60° Fahrenheit (15.5* Centigrade), the internal pressure on the cylinder exceeds two hundred and twenty-five pounds per square inch:
TABLE.
Density at $5.5°C.
Filling Ratio
0.495
0.499
0.385
0.500
0.504
0.390
0.305 0.509
0.395
D.S10 0.504
0.400
0.515 0.519
0.410
0.520 0.524
0.415
0.323
0.529
0.420
0.590
0.534
0.425
0,535
0.539
0.435
0.540
0.544
0.440
0,545
0.549
0.445
0.550
0.554
0.455
0.555
0.559
0.460
0.560
0.564
0.465
0.565
0.569
0.475
store.
0.570
0.574
0.480
0.575
0.579
0.485
0.580
0.584
0.490
0.585 0.589
0.500
P
0.590 0.594
0.505
0.595
0.600
0.510
JUN
Provided that in the case of a cylinder filled for use exclusively for marine lighting purposes the cylinder may be filled to a pressure of three hundred and thirty-five pounds per square inch.
72. (1) No person shall smoke in any store.
Precautions
egainst fre
(2) No naked light and no heating equipment shall be used in any in storea.
(3) No electrical equipment shall be used or installed in any store other than equipment of a type approved by the Authority.
(4) There shall be at all times conspicuously displayed outside any store a notice, in English and Chinese, prohibiting smoking and the use of naked lights.
No comments yet.
Private notes are available after approval.