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Linhai Linhua Instrument Co., Ltd

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10 requirements for safe use of gas manifold pressure reducers
Date: 2022-10-20Read: 50
Gas manifold pressure reducerSuitable for enterprises with high gas consumption, the principle is to input bottled gas into the main pipeline of the manifold through clamps and hoses, reduce pressure, regulate, and transport it to the construction site through pipelines. It is widely used in hospitals, chemical, welding, electronics, and scientific research units. The safety requirements for its use are as follows:
01. Opening: The shut-off valve in front of the pressure reducer should be slowly opened to prevent sudden opening, which may cause the pressure reducer to malfunction due to high pressure impact. The pressure gauge indicates the pressure, then turn the pressure regulator screw clockwise and the low-pressure gauge indicates the required output pressure. Open the low-pressure valve to supply gas to the working point.
02. Both the high-pressure and low-pressure chambers of the pressure reducer are equipped with safety valves. When the pressure exceeds the allowable value, the exhaust will automatically open, and when the pressure drops to the allowable value, it will automatically close. Do not turn the safety valve normally.
03. During installation, attention should be paid to the cleanliness of the connecting parts to prevent debris from entering the pressure reducer.
04. If air leakage is found in the connecting part, it is usually due to insufficient tightening force of the thread or damage to the gasket. The sealing gasket should be tightened or replaced.
05. If damage or leakage is found in the pressure reducer, or if the pressure on the low-pressure gauge continues to rise, or if the pressure gauge cannot return to zero, repair should be carried out in a timely manner.
06. The busbar should use one medium according to regulations and should not be mixed to avoid danger.
07. Oxygen busbar must not come into contact with grease to prevent combustion and fire.
08. Do not install gas busbars in places with corrosive media.
09. Gas busbars shall not inflate gas cylinders in the opposite direction.
10. To stop gas supply, simply loosen the adjusting screw of the pressure reducer, set the low pressure gauge to zero, and then close the shut-off valve to prevent the pressure reducer from being compressed for a long time.