Siemens SITRANS P Manual de usuario Pagina 154

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SITRANS P measuring instruments for pressure
Remote seals for transmitters and pressure gages
Technical description
2/154
Siemens FI 01 · 2009
2
Temperature errors of diaphragm seals with connection to differential pressure transmitters (double-sided)
Remarks:
Values apply for the filling liquids silicone oil M5, silicone oil M50, high-temperature oil, halocarbon oil and food oil (FDA listed)
Half the values apply to glycerin/water mixture as the filling liquid
Values apply to stainless steel as the diaphragm material.
Nominal diameter/
design
Diaphragm
diameter
Temperature error
of remote seal
Temperature error of cap-
illary
Temperature error
of process
flange/connec-
tion spigot
Recommended
min. spans
(guidance val-
ues, observe
temperature
error)
mm (inch) mbar/
10 K
(psi/
10 K)
mbar/
(10 K m
Kap
)
(psi/
(10 K m
Kap
))
mbar/
10 K
(psi/
10 K)
mbar (psi)
Sandwich
design or with
flange to
EN 1092-1
DN 50 without tube 59 (2.32) 0.3 (0.0043) 0.3 (0.0045) 0.3 (0.0045) 250 (3.626)
DN 50 with tube 48 (1.89) 1.26 (0.018) 1.7 (0.025) 1.7 (0.025) 250 (3.626)
DN 80 without tube 89 (3.50) 0.05 (0.001) 0.05 (0.001) 0.05 (0.0007) 50 (0.725)
DN 80 with tube 72 (2.83) 0.24 (0.004) 0.17 (0.003) 0.17 (0.003) 100 (1.45)
DN 100 without tube 89 (3.50) 0.1 (0.002) 0.07 (0.001) 0.07 (0.001) 50 (0.725)
DN 100 with tube 89 (3.50) 0.1 (0.002) 0.07 (0.001) 0.07 (0.001) 50 (0.725)
DN 125 without tube 124 (4.88) 0.05 (0.001) 0.03 (0.0004) 0.03 (0.0004) 20 (0.29)
DN 125 with tube 124 (4.88) 0.05 (0.001) 0.03 (0.0004) 0.03 (0.0004) 20 (0.29)
Sandwich
design with
flange to ASME
B16.5
2 inch without tube 59 (2.32) 0.3 (0.0043) 0.3 (0.0043) 0.3 (0.0045) 250 (3.626)
2 inch with tube 48 (1.89) 1.26 (0.018) 1.7 (0.025) 1.7 (0.025) 250 (3.626)
3 inch without tube 89 (3.50) 0.05 (0.001) 0.05 (0.0007) 0.05 (0.0007) 50 (0.725)
3 inch with tube 72 (2.83) 0.24 (0.004) 0.17 (0.003) 0.17 (0.003) 100 (1.45)
4 inch without tube 89 (3.50) 0.1 (0.002) 0.07 (0.001) 0.07 (0.001) 50 (0.725)
4 inch with tube 89 (3.50) 0.1 (0.002) 0.07 (0.001) 0.07 (0.001) 50 (0.725)
5 inch without tube 124 (4.88) 0.05 (0.001) 0.03 (0.0004) 0.03 (0.0004) 20 (0.29)
5 inch with tube 124 (4.88) 0.05 (0.001) 0.03 (0.0004) 0.03 (0.0004) 20 (0.29)
Remote seal
with union nut to
DIN 11851
DN 50 52 (2.05) 1 (0.015) 0.83 (0.012) 0.83 (0.012) 250 (3.626)
DN 65 59 (2.32) 0.7 (0.010) 0.67 (0.010) 0.67 (0.010) 250 (3.626)
DN 80 72 (2.83) 0.24 (0.004) 0.17 (0.003) 0.17 (0.003) 100 (1.450)
Remote seal
with threaded
socket to
DIN 11851
DN 50 52 (2.05) 1 (0.015) 0.83 (0.012) 0.83 (0.012) 250 (3.626)
DN 65 59 (2.32) 0.7 (0.010) 0.67 (0.010) 0.67 (0.010) 250 (3.626)
DN 80 72 (2.83) 0.24 (0.004) 0.17 (0.003) 0.17 (0.003) 100 (1.450)
Clamp connec-
tion
2 inch 40 (1.57) 1 (0.015) 2.5 (0.036) 2.5 (0.036) 2000 (29.01)
2½ inch 59 (2.32) 0.7 (0.010) 0.67 (0.010) 0.67 (0.010) 250 (3.626)
3 inch 72 (2.83) 0.24 (0.004) 0.17 (0.003) 0.17 (0.003) 100 (1.450)
© Siemens AG 2008
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