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LPG storage tank quality test
Pressure resistance test :
The pressure of the pressure withstand test is 2.28 MPa, and the test temperature (Q345R ≥ 5 ℃) conforms to the solid volume regulation, NB/T47042-2014 and the drawing.
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LPG gas tank manufacture quality plan
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Pressure resistance test :
The pressure of the pressure withstand test is 2.28 MPa, and the test temperature (Q345R ≥ 5 ℃) conforms to the solid volume regulation, NB/T47042-2014 and the drawing.
Leak test :
Air tightness test pressure 1.77 MPa; Comply with the Regulations for Stationary Pressure Vessel NB/T47042-2014 and drawing regulations
Sand blasting/painting:
Surface inspection
Overall PWHT :
Overall stress relief heat treatment according to heat treatment process:620℃±20℃×29min
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