In the market, swimming buoys and life buoys are obviously different and used. Life buoys are a type of water life-saving equipment. They are usually made of cork, foam or other light materials with a small specific gravity, and are covered with canvas and plastic.
1. Preparation
1. Wear labor protection supplies;
2. Prepare one lifebuoy equipped with lifeline and self-illuminating floating lamp;
2. Operation steps
Check the life buoy;
1. The body of the life buoy must not be damaged or deformed, whether the reflective tape and floating rope are intact, and there is no aging phenomenon;
2. Whether the body of the lifebuoy has a platform and the name of the port it belongs to,
3. Equipped with self-illuminating floating lights, the length of lifeline equipped is at least 30 meters in length,
Lifebuoy throwing;
4. The thrower of the platform should hold the lifeline in one hand and the lifebuoy in the downstream direction of the person falling into the water with the other hand. When there is no current or wind, the lifeline should be thrown upwind of the person falling into the water. Attached to the guardrail, throw the life buoy at the same time with both hands;
5. Marine lifebuoy
Stuffing life buoy (life buoy manufactured by the process of integral molding of the shell body and internal filling material)
According to the manufacturing process, the life buoy is divided into: A type-integral life buoy, B type-shell filled life buoy
Tag example
The integral lifebuoy is marked as: Lifebuoy GB4302-2007A
The shell-filled lifebuoy is marked as: Lifebuoy GB4302-2007B
6. Falling water
7. Pack the life buoy; (Flush with fresh water after use, dry in a cool place and put it back in place)
3. Technical requirements and safety precautions
1. The life buoy should be placed correctly;
2. The life buoy should not be thrown into the water;
3. It is not allowed to use it at random;
4. Check every three months;
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Digital Welding Machine Equipment
MIG/MAG/TIG/MMA WELDING MACHINE:
The gas shielded welding machine actually has the characteristic of falling externally. It converts 220V and 380V AC into low-voltage direct current. Generally, the gas shielded welding machine can be divided into two types according to the type of output power supply, one is AC gas shielded welding machine; It is a DC gas shielded welding machine. The current conversion mode of the DC gas shielded welding machine is AC-DC-AC-DC. The gas shielded welding machine is composed of a power supply and a wire feeder. The shielding gas includes CO2, CO2 and argon mixed gas, and CO2 and helium mixed gas. do shielding gas
Features of gas shielded welding machine:
1 It has the advantages of light weight, small size, high efficiency and high reliability.
2 The welding current can output a rectangular pulse waveform to achieve spray transition and facilitate all-position welding.
3. It has automatic compensation function for grid voltage fluctuation.
4. It has automatic protection functions such as overvoltage, undervoltage, overcurrent and overheating.
5. Automatic compensation according to the cable length to ensure good welding performance for different cable lengths.
Precautions
1. Welding may cause fire or explosion
1.1 Protect yourself and others from sparks and weldments during welding;
1.2 Be sure not to perform welding where there are combustible materials, because splashing sparks can easily cause combustion and cause a fire;
1.3 Be alert to fire, and place a fire extinguisher in the welding area;
1.4 Do not use a gas shielded welding machine to defrost the pipeline;
1.5 When the equipment is out of use, please unplug the welding cable from the welding output terminal;
1.6 Before welding, the on-site staff should hand over all flammable and explosive materials such as matches and lighters.
2. Fume and gas generated by welding will damage health
2.1 Keep good ventilation when welding indoors;
2.2 Do not perform welding near the site where there is degreasing, cleaning or spraying operations, because the heat and rays generated by the arc can react with the water vapor in the air to produce highly toxic and irritating gases.
3. Heating parts can cause severe burns
3.1 Do not directly touch the heating parts with your hands;
3.2 It can be welded with a welding torch after cooling.
4. Arc rays can burn eyes and skin
4.1 When welding or watching, you must wear a helmet with suitable filters to protect your face and eyes;
4.2 Use welding shields to protect bystanders from interference and stimulation from sparks and strong light.
If you have any questions, please contact with us directly. Welcome you can visit our Factory.For inquiry, please send mail directly to us.
Digital Welding Machine Equipment,MIG Welders,Welder MIG,Double Pulse MIG Welder
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