The operating temperature ranges from -10°C to 50°C; what should be the design pressure for the liquid ammonia storage tank? Is it directly 2.16 MPa? How did 2.16 come about?

2018-10-12View Original

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The operating temperature ranges from -10°C to 50°C; what should be the design pressure for the liquid ammonia storage tank? Is it directly 2.16 MPa? How did 2.16 come about?

Reply #22018-10-12

At 50°C, the saturated vapor pressure of liquid ammonia is 2.033 MPa.

Reply #32018-10-12

When the saturated vapor pressure of the medium at 50°C is greater than 1.62 MPa (gauge) but less than 1.94 MPa (gauge), the design pressure is 2.16 MPa (gauge). HG-T 20570.1-95 \"Determination of Design Pressure and Design Temperature for Equipment and Piping Systems\"

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