Siemens 7MF4233 series

Model Designations and Specifications UMSITRPDS3-1
November 2005
9-18
TABLE 9-11 Measuring Cells for Differential Pressure and Flow, Service Parts
DS III and DS III PA series, differential construction, 7MF4995 1
Nominal measuring range PN
1.0 To 100 inH
2
O 6090 psi
D
2.4 To 240 inH
2
O 6090 psi
E
6.4 To 640 inH
2
O 6090 psi
F
20 To 2000 inH
2
O 6090 psi
G
4.3 To 435 psi 6090 psi
H
Wetted parts materials
Seal diaphragm Parts of measuring cell
Stainless steel Stainless steel
A
Hastelloy Stainless steel
B
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 M12
1
- Mounting thread 7/16-20 UNF
3
Non-wetted parts materials
Process flange screws
Steel
0
Stainless steel (<PN 4569 psi)
2
1)
Only with span D, F, G, or H. Maximum PN 4569 psi only with stainless steel process
flange screws
Other versions
Add "Z" to the order number and the specify order code 7MF4995-............- 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
Process flange screws machined from stainless steel for PN 6090 psi
D09
Vent on side for gas measurements
H02
Process flanges of stainless steel for vertical differential lines
H03
Without process flange
K00