Technical Data D944

D914
D944
Zellendruckmittler
Flanged chemical mit
seals
Prozessflanschen
Main Features
„„
Pressure range from 500 mbar
to 250 bar
„„
Flange class 1500
„„
DN20 to DN50
„„
Temperature -40 °C ... +400 °C
„„
Stainless steel 1.4404 NACE
„„
Pressure, level or flow meas-
urement
„„
Mounted on differential or
gauge pressure transmitters
Applications
„„Oil & Gas / Chemical
„„Energy
Technical Data
Measurement ranges Gauge or differential pressure: 500 mbar min.
Temperature
-40 °C ... +400 °C
Filling liquids
Suitable for high temperature
Capillary
1.5 to 15 m
Process flange
Class 1500 as per EN1759-1 or ANSI B16.5
NPS 3/4" to NPS 2" / DN 20 to DN50
Raised face (B/RF) or ring joint face (J/RTJ)
Integrated steam tracing circuit in U: 1/4 NPT
inlet/outlet, Ø 8 mm drilling
Bolts ISO (metric) or ASME (UNC)
Drain/vent valve
Needle valve SW¼" OD10 or OD3/8"
Depending on class, temperature and material
(see table page 2)
Maximum pressure
Material
Upper part
Forged Stainless steel 1.4404 EN 10222-5
Compliant with NACE MR 0103 or MR 0175
Diaphragm
Stainless steel (1.4435) or Hastelloy C276 (2.4819)
Active diameter 58 mm
Internal sealing joint Ring joint R24 316L
The ring joint is also supplied in case of delivery
of the chemical seal alone without the process
flange.
Capillary
Length 1.5 - 3 - 4.5 - 6 - 9 - 12 and 15 meters
Stainless steel capillary tube and protection
white plastic outer sheath UL94V0
Process flange
Forged stainless steel 1.4404 EN 10222-5
Compliant with NACE MR 0103 or MR 0175
Process and chemical seal sides
ASTM A193 B7M/A194 2HM
LRS9: -40 ... 400 °C (high temperature oil)
Other liquids on request
Bolting
CE conformity
PED 97/23/CE
ATEX 94/9/CE
Category III
Ex II 2 GD c (the associated transmitter must
comply with the ATEX zone where it is used)
Filling liquid
Material
Forged stainless steel 1.4541 (321), 1.4539 (904L), 1.4412 (Duplex), 1.4410 (super duplex)
Hastelloy C276, Monel 400, Carbon steel ASTM SA-350 LF2.
Ask Baumer
Diaphragm coating
Capillary
Gold, 15 ųm thickness
Unassembled
chemical seal
Option 1940
The D944 chemical seal can be delivered in 3 parts unassembled
- the upper part (chemical seal coupled with the transmitter)
- the RTJ joint
- the process flange with the bolting and the valves (according to versions)
www.baumer.com
Design and specifications subject to change without notice
Options
2015-10-22
• Capillary with low-temperature controlled electric heat tracing
• Reduce influence of environmental temperature
• Improve response time for long capillary
- Decrease in effects of outside temperature :
at −40 °C capillary tube temperature over +30 °C
at +40 °C capillary tube temperature below +60 °C
- Approx. Ø 25 mm heat insulation
- Sealed outer sheath
Data sheet A42.10
Page 1 / 4
D944
Flanged chemical seals
Flange dimensions (mm)
DN
20
3/4"
25
1"
40
1"1/2
50
2"
(1)
Class
ØK
ØL1 ISO
ØL1
ASME
N
Weight
N° GRTJ (1)
1500
88.9
M20
3/4" UNC
4
27
R 14
1500
101.6
M24
7/8" UNC
4
30
R 16
1500
123.8
M27
1" UNC
4
32
R 20
1500
165.1
M24
7/8" UNC
8
28
R 24
kg
Number of the RTJ groove in case of RTJ flange on process side. Gasket not supplied.
Max pressure (bar) / Temperature / Material
Material
Class
1.4404 / EN 10222-5
1500#
Temperature
-40...+20°C
50°C
100°C
150°C
200°C
250°C
300°C
350°C
400°C
228
217
199
182
164
152
142
136
130
1.4541 / EN 10222-5
1500#
240
229
211
200
188
176
163
156
150
1.4539 / EN 10272
1500#
240
229
211
200
188
176
163
156
150
1.4462 / EN 10222-5
1500#
240
229
211
200
188
176
-
-
-
1.4410 / EN 10222-5
1500#
240
229
211
200
188
176
-
-
-
Hastelloy
N10276 according to ASME SB-564
1500
240
229
211
200
188
176
163
156
150
ASME SA-350 gr.LF2
1500#
240
229
211
200
188
176
163
156
150
Monel 400
N04440 according to ASME SB-564
1500#
206
201
180
170
165
163
163
163
161
2015-10-22
Design and specifications subject to change without notice
The maximum working pressure can be limited by the characteristics of the piping customer side (standard and class of the flange, material, gasket...)
www.baumer.com
Data sheet A42.10
Page 2 / 4
D944
Flanged chemical seals
Dimensions (mm)
or OD3/8”
OD10 oder
ca. 210
Ø 216
110 max
Vent valve
Entlüftungsventil
1/4 sch. 80
ca. 210
NxL1
K
Dampfheizkreis
1/4NPT
Steam tracing 1/4
NPT
1/4 sch. 80
Drain valve
Spülventil
or OD3/8”
OD10 oder
Ø 216
Chemical seal without the process flange
Radial Axial
outlet
Ring
Jointgasket
d’étanchéité
2015-10-22
47
Design and specifications subject to change without notice
100
www.baumer.com
Data sheet A42.10
Page 3 / 4
D944
Flanged chemical seals
Ordering details D944
D944
– M
0
.
.
Vent valve (3)
Model
D9 4 4
Upper part material
Forged NACE compliant 1.4404 st. steel
Capillary type
Direct mounting
St. steel tube and protection
St. steel tube and protection and white plastic
ATEX sheath
St. steel tube and reinforced protection
St. steel tube and protection, heat-insulated
St. steel tube and protection, traced/heat-insulated
Outlet position
Axial outlet
0
1
9
–
M
0
1
9
1
A
D
0
1
F
M
P
0
.
Capillary length
Without capillary / direct mounting
1.5 m
3m
4.5 m
6m
9m
12 m
15 m
Connection on measuring instrument side (2)
For ABB 265 DR (D)
For ABB 265 GR - 265 VS (G)
For Honeywell STD 820/830/720/730 (D)
For Honeywell STG 740/770 (G)
For Honeywell STG 84x/87x/88x (G)
For SIEMENS SITRANS (D)
For SIEMENS SITRANS (G)
For YOKOGAWA EJX110 (low volumes) capsules M, H, V (D)
For YOKOGAWA EJX 430 (low volumes) (G)
For YOKOGAWA EJX 110 (standard flanges) capsules M, H, V (G)
For YOKOGAWA EJX 310/430 (standard flanges) (A) (G)
For YOKOGAWA EJX 440 (standard flanges) (G)
For YOKOGAWA EJX 130A
Filling liquids
LRS9 high temperature oil
Diaphragm material
St. steel 316L (1.4435)
Hastelloy C276 (2.4819)
Diaphragm coating
No coating
Diaphragm with 15 ųm thick GOLD coating
Process flange standard (3)
Without flange
ANSI B16-5
EN 1759-1 flange
(1)
(2)
0
0
E
3
F
6
9
D
G
0
R
Q
0
3
4
6
7
H
J
A
D
E
7
8
F
V
P
Q
W
Y
0
5
0
M
None
1 SW1/4" OD10 valve
1 SW1/4" OD3/8" valve
Heat tracing circuit (2)
None
With
Bolts (3)
Without flange
ISO (metric) (1)
ASME (UNC)
Process flange face finish (3)
Standard finish
Process flange face type (3)
Without flange
Raised face (RF)
Ring joint face (RTJ)
DN / NPS (3)
Without flange
NPS 3/4" (DN20)
NPS 1" (DN25)
NPS 1"1/2 (DN40)
NPS 2" (DN50)
PN / Class (1)
Without flange
Class 1500
Process flange material (3)
Without flange
Forged NACE compliant
1.4404 st. steel
9
2
6
0
7
.
0
2
6
Except flanges ANSI B16-5
Type of transmitter: D=Differential / G=Gauge / A=Absolute
To codify chemical seal delivered without the process flange, select codes 0. Ex: D944–MD03F967.0000000000
2015-10-22
(3)
0
M
A
None
1 SW1/4" OD10 valve
1 SW1/4" OD3/8" valve
Drain valve (3)
Design and specifications subject to change without notice
Flanged chemical seals
www.baumer.com
Data sheet A42.10
Page 4 / 4