Siemens SITRANS P Brochure & Specs page 173
Measuring instruments for pressure
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Also See for SITRANS P:
- Operating instructions manual (280 pages) ,
- Compact operating instructions (94 pages) ,
- Compact operating instructions (98 pages)
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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
■
Dimensional drawings
G
Ø d
SW
M
mm
(inch) mm (inch) mm (inch) mm (inch) mm (inch)
G1B
25
(0.98) 41
(1.61) 39
G1½B 40
(1.57) 55
(2.17) 60
G2B
50
(1.97) 60
(2.36) 70
d
: Effective diaphragm diameter
M
Miniature diaphragm seal, dimensions in mm (inch)
© Siemens AG 2008
SITRANS P measuring instruments for pressure
Ø d
L
H
(1.53) 28
(1.1)
56
(2.21)
(2.36) 30
(1.18) 50
(1.97)
(2.76) 30
(1.18) 63
(2.48)
Miniature diaphragm seal
For gage and absolute pressure
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Technical specifications
Miniature diaphragm seals
Span with
• G1B
• G1½B
• G2B
Filling liquid
Material
• Main body
• Diaphragm
Maximum pressure
Temperature of use
Temperature range of medium
Max. recommended process
temperature
Weight
• G1B
• G1½B
• G2B
Certificate and approvals
Classification according to
pressure equipment directive
(DRGL 97/23/EC)
Selection and Ordering data
Miniature diaphragm seals
directly fitted to SITRANS P pressure transmitters
7
for pressure; type, 7MF403
and 7MF423
together with Order code "V01" (vacuum-proof
1)
7
design) and 7MF802
; must be ordered sepa-
rately
Material: Stainless steel, mat. No. 1.4401
Pressure rating, see "Pressure transmitters"
Process connection
• G1B
• G1½B
• G2B
• 1" - NPT
• 1½" - NPT
• 2" - NPT
Other version, add Order code and plain text:
Process connection: ...
Wetted parts materials
• Stainless steel 316L
Other version, add Order code and plain text:
Wetted parts materials: ...
Filling liquid
• Silicone oil M5
• Food oil (FDA listed)
Other version, add Order code and plain text:
Filling liquid: ...
1)
With
7MF8027
and the measuring cells Q, S, T and U also order the
vacuum-tight version.
D) Subject to export regulations AL: N, ECCN: EAR99H.
Selection and Ordering data
Further designs
Please add "-Z" to Order No. and specify Order code.
Quality inspection certificate (Factory calibration) to
IEC 60770-2
Acceptance test certificate
to EN 10204, section 3.1
Vacuum-proof design
for use in low-pressure range
> 6 bar (> 87 psi)
> 2 bar (> 29 psi)
> 600 mbar (> 8.7 psi)
Silicone oil M5 or food oil (FDA listed)
Stainl. steel mat No. 1.4404/ 316L
Stainl. steel mat No. 1.4404 / 316L
100% of nominal pressure of pressure
transmitter, up to maximum of PN 400
(5802 psi) (depending on the seal
used)
Same as pressure transmitter
Same as pressure transmitter
150 °C (302 °F)
Approx. 0.3 kg (approx. 0.66 lb)
Approx. 0.5 kg (approx. 1.10 lb)
Approx. 0.8 kg (approx. 1.76 lb)
For gases of fluid group 1 and liquids
of fluid group 1; complies with
requirements of article 3, para-
graph 3 (sound engineering practice)
Order No. Ord. code
7 M F 4 9 6 0 -
D)
1
7 7
0
7
7 7 7
7
C
D
E
K
L
M
Z
J 1 Y
A
Z
K 1 Y
1
7
9
M 1 Y
Order code
C11
C12
V01
Siemens FI 01 · 2009
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