Siemens SITRANS P Manual de usuario descargar pdf (Pagina 164)

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

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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

)

• 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)

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