Technical data Proline Promag 53 MODBUS RS485
124 Endress+Hauser
Promag P
Measuring tube lining: PTFE
Promag H (measuring tube lining: PFA)
Limiting flow Further information can be found in the "Nominal diameter and flow rate" → ä 18 section
Pressure loss • No pressure loss if the sensor is installed in piping with the same nominal diameter (for Promag H
only from DN8).
• Pressure losses for configurations incorporating adapters according to DIN EN 545 → ä 17.
Promag P
nominal diameter
Resistance of measuring tube lining to partial vacuum: limit values for
absolute pressure [mbar] ([psi]) at various fluid temperatures
[mm] [inch]
25 °C 80° C 100 °C 130 °C 150 °C 180 °C
77 °F 176° F 212 °F 266 °F 302 °F 356 °F
[mbar] [psi] [mbar] [psi] [mbar] [psi]
15 ½" 0 0 0 0 0 100 1,45 – –
25 1" 0 0 0 0 0 100 1,45 – –
32 - 0 0 0 0 0 100 1,45 – –
40 1 ½" 0 0 0 0 0 100 1,45 – –
50 2" 0 0 0 0 0 100 1,45 – –
65 - 0 0 * 40 0,58 130 1,89 – –
80 3" 0 0 * 40 0,58 130 1,89 – –
100 4" 0 0 * 135 1,96 170 2,47 – –
125 - 135 1,96 * 240 3,48 385 5,58 – –
150 6" 135 1,96 * 240 3,48 385 5,58 – –
200 8" 200 2,90 * 290 4,21 410 5,95 – –
250 10" 330 4,79 * 400 5,80 530 7,69 – –
300 12" 400 5,80 * 500 7,25 630 9,14 – –
350 14" 470 6,82 * 600 8,70 730 10,59 – –
400 16" 540 7,83 * 670 9,72 800 11,60 – –
450 18" Partial vacuum is impermissible
500 20"
600 24"
* No value can be quoted.
Promag H
nominal diameter
Pressure tightness, measuring tube lining: limit values for
absolute pressure [mbar] ([psi]) at various fluid temperature
[mm] [inch]
25 °C 80° C 100 °C 130 °C 150 °C 180 °C
77 °F 176° F 212 °F 266 °F 302 °F 356 °F
2 to 100 1/12 to 4" 0 0 0 0 0 0
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