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UMSITRAPDS3-1 Model Designations and Specifications
November 2010
9-33
Additional selections and data below
Add “-Z” to the order number and specify Order Codes Order Code
O-rings for process flanges (instead of FPM (Viton)):
- PTFE (Teflon)
A20
- FEP (with silicone core, approved for food
A21
- FFPM (Kalrez, compound 4079)
A22
- NBR (Buna N)
A23
Acceptance test certificate to EN 10204-3.1
C12
Remote seal flanges; not with K01, K02 or K04
D20
Vent on side for gas measurements
H02
Stainless steel process flanges for vertical differential pressure lines; not with K01,
K02 or K04
H03
Process flanges:
Without
K00
With process flanges of:
- Hastelloy
K01
- Monel
K02
- Stainless steel with PVDF insert; PN 10 (MWP 145 psi) maximum, temperature of
medium 90°C (194°F) maximum
K04
TABLE 9-16 Measuring Cells for Differential Pressure and Flow, Service Parts
DS III and DS III PA series, differential construction, 7MF4995- - 0DC0
Measuring cell filling
Silicone oil
Measuring cell cleaning
Standard
1
Measuring span
2.5 To 250 mbar (1 To 100 inH
2
O)
D
6 To 600 mbar (2.4 To 240 inH
2
O)
E
16 To 1600 mbar (6.42 To 642 inH
2
O)
F
50 To 5000 mbar (20 To 2000 inH
2
O)
G
0.3 To 30 bar (4.35 To 435 psi)
H
Wetted parts materials (Stainless steel process flanges)
Seal diaphragm Parts of measuring cell
Stainless steel Stainless steel
A
Hastelloy Stainless steel
B
Gold Gold
L
Process connection
Female thread 1/4-18 NPT with flange connection
Sealing screw opposite process connection
- Mounting thread M12 to DIN 19213
1
- Mounting thread 7/16-20 UNF to EN 61518
3
Vent on side of process flange
- Mounting thread M12 to DIN 19213
5
- Mounting thread 7/16-20 UNF to EN 61518
7
Non-wetted parts materials
Stainless steel process flange screws
2
Additional selections and data below
Add “-Z” to the order number and specify Order Code(s) Order Code
O-rings for process flanges (instead of FPM (Viton)):
- PTFE (Teflon)
A20
- FEP (with silicone core, approved for food)
A21
- FFPM (Kalrez, compound 4079)
A22
- NBR (Buna N)
A23
Acceptance test certificate to EN 10204-3.1
C12
Stainless steel process flanges for vertical differential pressure lines
H03
Without process flange
K00
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