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Shanghai ZhangNan Chemical Co.,Ltd
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Modification of gas bottle

- Dec 20, 2017 -

1 used cylinders, is strictly prohibited to change the color tag, changing other kinds of gas.

2 The use of units need to replace the gas bottle of the type of gases, should be applied, from the gas bottle inspection single W to the Gas cylinders modified.

For low-pressure liquefied gas cylinders, inflatable units should first be verified to confirm the replacement of the gas, the maximum temperature of the cylinder under the saturated vapor pressure is not more than the allowable pressure of the cylinder, can be modified.

3 When the cylinder is modified, the bottle should be thoroughly cleaned and inspected, and the corresponding accessory shall be changed, and according to the GB 7144 gas bottle Pigments, change the woo-like, color ring and color mark of the gas.

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