Siemens SITRANS P Manual de usuario Pagina 167

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SITRANS P measuring instruments for pressure
Diaphragm seals of flange design
For differential pressure,
fixed connection and with capillary
2/167
Siemens FI 01 · 2009
2
Overview
Diaphragm seals of flange design for pressure transmitters for differential
pressure, fixed connection and with flexible capillary
Technical specifications
Diaphragm seals of flange design for pressure transmitters for dif-
ferential pressure, fixed connection and with flexible capillary
Nominal diameter Nominal pressure
• DN 80 PN 40
• DN 100 PN 16, PN 40
• 3 inch Class 150, class 300
• 4 inch Class 150, class 300
Sealing face
• For stainless steel, mat.
No. 1.4404/316L
To EN 1092-1, form B1 or
ASME B16.5 RF 125 ... 250 AA
• For the other materials To EN 1092-1, form B2 or
ASME B16.5 RFSF
Materials
• Main body Stainless steel 316L
• Wetted parts Stainless steel 316L
• Without foil
• PTFE (for vacuum on request)
• ECTFE (for vacuum on request)
• PFA (for vacuum on request)
Monel 400, mat. No. 2.4360
Hastelloy C276, mat. No. 2.4819
Hastelloy C4, mat. No. 2.4610
Tantalum
• Capillary Stainless steel, mat.
No. 1.4571/316Ti
• Sheath Spiral hose made of stainless
steel, mat. No. 1.4301/316
Sealing material in the process
flanges
For pressure transmitters, absolute
pressure transmitters and low-
pressure applications
Copper
• For other applications Viton
Maximum pressure See above and the technical data
of the pressure transmitter
Tube length Without tube
50 mm (1.97 inch)
100 mm (3.94 inch)
150 mm (5.91 inch)
200 mm (7.87 inch)
Capillary
• Length Max. 10 m (32.8 ft), longer
lengths on request
• Internal diameter 2 mm (0.079 inch)
• Minimum bending radius 150 mm (5.9 inch)
Filling liquid Silicone oil M5
Silicone oil M50
High-temperature oil
Halocarbon oil (for measuring O
2
)
Food oil (FDA listed)
Glycerine/water (not suitable for
use in low-pressure range)
Max. recommended process
temperature
170 °C (338 °F)
Permissible ambient temperature Dependent on the pressure trans-
mitter and the filling liquid of the
remote seal
More information can be found in
the technical data of the pressure
transmitters and in the section
"Technical data of filling liquid" in
the Technical description to the
remote seals
Weight Approx. 4 kg (8.82 lb)
Certificate and approvals
Classification according to pressure
equipment directive (DRGL
97/23/EC)
For gases of fluid group 1 and liq-
uids of fluid group 1; complies
with requirements of article 3,
paragraph 3 (sound engineering
practice)
© Siemens AG 2008
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