Endress+Hauser Proline Promag 53H - Pressure Tightness; Limiting Flow; Pressure Loss

Proline Promag 50H, 53H
28 Endress+Hauser
Process connections DN 40 to 150 (1½ to 6") with aseptic gasket seal 1.4404 (F316L)
Pressure tightness Measuring tube lining: PFA
Limiting flow The diameter of the pipe and the flow rate determine the nominal diameter of the sensor.
The optimum flow velocity is between 2 and 3 m/s (6.5 to 9.8 ft/s). Also match the velocity of flow (v)
to the physical properties of the fluid:
• v < 2 m/s (6.5 ft/s): For low conductivity values
• v > 2 m/s (6.5 ft/s): For media that produce buildup (e.g. milk with high fat content)
!
Note!
• A necessary increase in the flow velocity can be achieved by reducing the sensor nominal diameter
(  18, Section "Adapters").
•For fluids with high levels of solids, the selection of a pipe with nominal diameter > DN 8 (³⁄") may
be considered, to improve the stability of the signal and cleanability due to larger electrodes.
Pressure loss • With nominal diameters from DN 8 (³⁄") no pressure loss if the sensor is installed in a pipe with the
same nominal diameter.
• Pressure losses for configurations incorporating adapters according to DIN EN 545 ( 
18, Section "Adapters").
Nominal diameter [mm] 40 50 65 80 100 125 150
[inch] 1½" 2" - 3" 4" - 6"
Weld socket: ODT/SMS PN 16 (232 psi)
Weld socket: EN 10357 (DIN 11850) PN 16 (232 psi)
– For order codes with suffixes +CA/
+CB
PN 40
(580 psi)
PN 25 (362.5 psi) PN 16
(232 psi)
Weld socket: ISO 2037 PN 40
(580 psi)
PN 25 (362.5 psi) PN16 (232 psi)
Weld socket: ASME BPE PN 40
(580 psi)
PN 25 (362.5 psi) - PN 16
(232 psi)
Clamp: ISO 2852, DIN 32676, L14 AM7 PN 16 (232 psi) PN 10 (145 psi)
Coupling: SC DIN 11851 PN 16 (232 psi)
– For order codes with suffixes +CA/
+CB
PN 40
(580 psi)
PN 25 (362.5 psi) PN 16 (232 psi)
Coupling: SMS 1145 PN 16 (232 psi)
Coupling: DIN 11864-1, ISO 2853 PN 16 (232 psi)
– For order codes with suffixes +CA/
+CB
PN 40
(580 psi)
PN 25 (362.5 psi) -
Flange: DIN 11864-2 PN 16 (232 psi)
– For order codes with suffixes +CA/
+CB
PN 25
(362.5
psi)
PN 16 (232 psi) PN 10 (145 psi)
Nominal diameter Limit values for abs. pressure [mbar] ([psi]) at fluid temperatures:
[mm] [inch] 25 °C
(77 °F)
80 °C
(176 °F)
100 °C
(212 °F)
130 °C
(266 °F)
150 °C
(302 °F)
2 to 150 ¹⁄ to 6"00000