Siemens SITRANS P Manual de usuario descargar pdf (Pagina 158)

SITRANS P measuring instruments for pressure

Diaphragm seals of sandwich design

For gage, absolute, differential pressure and flow

with flexible capillary

2/158

Siemens FI 01 · 2009

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Overview

Diaphragm seals of sandwich design

■

Technical specifications

Diaphragm seals of sandwich design

Nominal diameter Nominal pressure

• DN 50 PN 16 ... PN 100

• DN 80 PN 16 ... PN 100

• DN 100 PN 16 ... PN 100

• DN 125 PN 16 ... PN 100

• 2 inch Class 150 ... class 2500

• 3 inch Class 150 ... class 2500

• 4 inch Class 150 ... class 2500

• 5 inch Class 150 ... class 2500

Sealing face

• For stainless steel, mat. No.

1.4404/216L

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 transmitters

Tube length Without tube as standard (tube

available on request)

Capillary

• Length Max. 10 m (32.8 ft), longer

lengths on request

• Internal diameter max. 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

)

Food oil (FDA listed)

Glycerine/water (not suitable for

use in low-pressure range)

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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