Siemens SITRANS P - Manual (Page 173)

SITRANS P measuring instruments for pressure
Miniature diaphragm seal
For gage and absolute pressure
2/173 Siemens FI 01 · 2009
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Overview
Miniature diaphragm seals
The miniature diaphragm seals are available for the following
SITRANS P pressure transmitter series for pressure:
• P300, DS III, DS III PA, DS III FF
Suitable for high pressures, contaminated, fibrous and viscous
media in the chemical, paper, food and drink industries.
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Design
• Flush-mounted diaphragm
• No dead spaces
• Fixed threaded stems
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Dimensional drawings
d
M
: Effective diaphragm diameter
Miniature diaphragm seal, dimensions in mm (inch)
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Technical specifications
G Ø d
M
SW Ø d L H
mm (inch) mm (inch) mm (inch) mm (inch) mm (inch)
G1B 25 (0.98) 41 (1.61) 39 (1.53) 28 (1.1) 56 (2.21)
G1½B 40 (1.57) 55 (2.17) 60 (2.36) 30 (1.18) 50 (1.97)
G2B 50 (1.97) 60 (2.36) 70 (2.76) 30 (1.18) 63 (2.48)
146
(5
.75)
d
G
L
H
SW
d M
Miniature diaphragm seals
Span with
• G1B
> 6 bar (> 87 psi)
• G1½B > 2 bar (> 29 psi)
• G2B > 600 mbar (> 8.7 psi)
Filling liquid Silicone oil M5 or food oil (FDA listed)
Material
• Main body
Stainl. steel mat No. 1.4404/ 316L
• Diaphragm Stainl. steel mat No. 1.4404 / 316L
Maximum pressure 100% of nominal pressure of pressure
transmitter, up to maximum of PN 400
(5802 psi) (depending on the seal
used)
Temperature of use Same as pressure transmitter
Temperature range of medium Same as pressure transmitter
Max. recommended process
temperature 150 °C (302 °F)
Weight
• G1B
Approx. 0.3 kg (approx. 0.66 lb)
• G1½B Approx. 0.5 kg (approx. 1.10 lb)
• G2B Approx. 0.8 kg (approx. 1.76 lb)
Certificate and approvals
Classification according to
pressure equipment directive
(DRGL 97/23/EC)
For gases of fluid group 1 and liquids
of fluid group 1; complies with
requirements of article 3, para-
graph 3 (sound engineering practice)
Selection and Ordering data Order No. Ord. code
Miniature diaphragm seals D) 7 M F 4 9 6 0 -
directly fitted to SITRANS P pressure transmitters
for pressure; type, 7MF403
7 and 7MF423 7
together with Order code "V01" (vacuum-proof
design) and 7MF802
7 1) ; must be ordered sepa-
rately
Material: Stainless steel, mat. No. 1.4401
Pressure rating, see "Pressure transmitters"
1) With 7MF802 7 and the measuring cells Q, S, T and U also order the
vacuum-tight version.
D) Subject to export regulations AL: N, ECCN: EAR99H.
1 7 7 0 7 7 7 7
Process connection
• G1B
C
• G1½B D
• G2B E
• 1“ - NPT K
• 1½“ - NPT L
• 2“ - NPT M
Other version, add Order code and plain text:
Process connection: ... Z J 1 Y
Wetted parts materials
• Stainless steel 316L
A
Other version, add Order code and plain text:
Wetted parts materials: ... Z K 1 Y
Filling liquid
• Silicone oil M5
1
• Food oil (FDA listed) 7
Other version, add Order code and plain text:
Filling liquid: ... 9 M 1 Y
Selection and Ordering data Order code
Further designs
Please add "-Z" to Order No. and specify Order code.
Quality inspection certificate (Factory calibration) to
IEC 60770-2 C11
Acceptance test certificate
to EN 10204, section 3.1 C12
Vacuum-proof design
for use in low-pressure range
V01
© Siemens AG 2008