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GAS SUPPLIES AND GAS DISTRIBUTION SYSTEM – If the cylinder valve cannot be opened by hand alone, put the cylinder aside and inform the supplier. Never use wrenches or other tools to open cylinder valves. On valves intended for valve keys, use only valve keys supplied by or approved by the gas manufacturer. Valves with handwheels must be operated by hand only, without tools. Never hammer the hand-wheel in order to get the valve open or shut.

Improvising or substituting equipment can lead to serious accidents.

– It is important to make sure that the cylinder valve outlet union and the connector of the equipment to be used are a proper fit. Never force a connection that does not fit. Make sure that seals are in good condition and of the correct type.

– Check for gas leaks using soapy water.

– Use only regulators, flashback arrestors, hoses, etc., designed for use with the gas in question.

– Never use gas cylinders as rollers or props for other cargo, or for any purpose whatever other than to contain a specific gas. – Take care to avoid using or storing gas cylinders in places where they could become part of an electrical circuit. Never touch a cylinder with a live electrode.

– Never use an open flame! – Never use flames to raise the pressure of a cylinder. Cylinders should not be subjected to temperatures above 45°C – As far as possible, avoid exposure of gas cylinders to moisture or salt water. Never expose cylinders to corrosive chemicals or gases. – The information that is cast or stamped on the cylinders must not be altered or removed.

– Never try to repair or alter any feature of a gas cylinder or valve.

WARNING

It is extremely dangerous, and therefore forbidden, to attempt to transfer oxygen or acetylene from one cylinder to another on one’s own. Filling of gas cylinders shall be carried out only by qualified personnel at the filling factories.

Failure to observe this rule has unfortunately led to the loss of several lives.

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