Features:
ER70S-6 is a kind of mild steel copper coated Welding wire, suitable for 100% CO2 and Argon& CO2 mixed gas protective welding with stable feasibility, good welding seams, less spatters and excellent welding process properties.
Application:
Used to weld ship building steel(A,B,D,E,A36,D36,E36)and equivalent mild steel or 550Mpa grade mild alloy steel, such as container building, construction machine, railway construction, pressure vessel for semi-auto or automatic gas shielded welding.
1. Wire into the plant must be stored in dry conditions, can not open welding wire coil waterproof packaging.
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2. Welding shall be removed before welding surface oil, rust, water and other impurities.
3. The CO2 gas protection, CO2 gas purity 99.98%.
4. CO2 welding protective gas flow rate should be controlled at 20~25L/min.
5. Wire extension length should be controlled in the range of 15~25mm.
The reciprocating pump does not need to be filled with liquid when it starts up. Because the reciprocating pump has the self-priming capability, the suction vacuum height also varies with the atmospheric pressure in the area where the pump is installed, the nature of the liquid and the temperature, so the reciprocating pump installation height is also limited . Reciprocating pump flow can not be discharged with the valve on the pipeline to adjust, but should be used by the bypass pipe or change the reciprocation of the piston to change the piston stroke to achieve. Before starting the reciprocating pump, the valve in the discharge line must be opened. The reciprocating pump's piston is connected to the prime mover by the connecting rod crankshaft. The prime mover motor, steam engine can also be used. Reciprocating pumps for high-pressure head, small flow, high-viscosity liquid delivery, but not for transporting corrosive liquids. Sometimes directly driven by the steam engine, delivering flammable, explosive liquids.