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Sitrans p measuring instruments for pressure, Diaphragm seals of flange design – Siemens SITRANS P User Manual

Page 164

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SITRANS P measuring instruments for pressure

Diaphragm seals of flange design

For gage and absolute pressure,
directly fitted on transmitter

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Siemens FI 01 · 2009

2

Overview

Diaphragm seals of flange design, directly fitted on a pressure transmitter
for pressure

Technical specifications

Diaphragm seals (flange design) for pressure and absolute pres-
sure, directly fitted on a transmitter

Nominal diameter

Nominal pressure

• DN 50

PN 40, PN 100

• DN 80

PN 40, PN 100

• DN 100

PN 16, PN 40

• 2 inch

Class 150, class 300, class 600,
class 1500

• 3 inch

Class 150, class 300, class 600

• 4 inch

Class 150, class 300, class 400

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

Smooth 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, 1.4571/316Ti

• Sealing material on the process

connection

Copper

Maximum pressure

See above and the technical data
of the 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