Siemens 7MF4233 series

Model Designations and Specifications UMSITRPDS3-1
November 2005
9-16
TABLE 9-9 Measuring Cells for Absolute Pressure, Differential Const., Service Parts
DS III and DS III PA series, Differential Construction, 7MF4993-
Measuring cell filling Measuring cell cleaning
Silicon oil Normal
1
Inert Grease-free
3
Nominal measuring range PN
3.3 inH
2
Oa To 100 inH
2
Oa 460 psi
D
20 inH
2
Oa To 525 inH
2
Oa 460 psi
F
2.3 psia To 72 psia 460 psi
G
14.4 psia To 435 psia 460 psi
H
77 psia To 2320 psia 3625 psi
K E
Wetted parts materials (stainless steel process flanges)
Seal diaphragm Parts of measuring cell
Stainless steel Stainless steel
A
Hastelloy Stainless steel
B
Hastelloy Hastelloy
C
Tantalum Tantalum
E
Monel Monel
H
Gold
1)
Gold
L
Process connection
Female thread 1/4-18 NPT with flange connection to DIN 19213 with:
Sealing screw opposite process connection
- Mounting thread M10
2)
0
- Mounting thread 7/16-20 UNF
2
Sealing screw on side of process flange
3)
- Mounting thread M10
4
- Mounting thread 7/16-20 UNF
6
Non-wetted parts materials
Process flange screws
Steel
0
Stainless steel
2
1)
Only with stainless steel process flange screws
2)
Maximum PN 2320 psi static
3)
Not for spans G, H, or K
Other versions
Add "Z" to the order number and the specify order code 7MF4993-............- Z
Process flange O-ring (instead of FPM (Viton)) made of:
- PTFE (Teflon)
A20
- FEP (with silicone core, approved for foodstuffs
A21
- FFPM (Kalrez)
A22
- NBR (Buna N)
A23
Remote seals; not with K01, K02 or K04
D20
Vent on side for gas measurements
H02
Without process flange
K00
Process flange made of:
- Hastelloy
K01
- Monel
K02
- Stainless steel with PVDF insert
K04