Deltabar S
Hauser
49
Process connection FMD78
with metallic measuring
diaphragms (continued)
ANSI flanges, connection dimensions as per ANSI B 16.5, raised face RF
P01-FMD78xxx-06-09-xx-xx-010
Process connection FMD78, ANSI flange with and without extended diaphragm seal, material AISI 316/AISI 316L
k
D
L
g
g
b
1.6
mm
0.06
in
d
3
d
M
g
2
Flange
1
Boltholes
Diaphragm seal
Ver-
sion
Nominal
dia-
meter
Class
Dia-
meter
Thick-
ness
Raised
face
Exten-
sion
length
Exten-
sion
dia-
meter
Quan-
tity
Dia-
meter
Hole
circle
max. Dia-
phragm
diameter
T
K
Process
Weight of
two dia-
phragm
seals
D
b
g
L
d
3
g
2
k
d
M
[lb/sq.in] [in]
[mm]
[in]
[mm]
[in]
[mm]
[in]
[mm]
[in]
[mm]
[in]
[mm]
[in]
[mm]
[in]
[mm]
[mbar/
10 K]
[kg]
AF
2
150
6
152.4
0.75
19.1
3.62
91.9
–
–
4
0.75
19.1
4.75
120.7
2.32
59
+1.10
5.2
AR
2
300
6.5
165.1
0.88
22.5
3.62
91.9
–
–
8
0.75
19.1
5
127
2.32
59
+0.75
6.8
AG
3
150
7.5
190.5
0.94
23.9
5
127
–
–
4
0.75
19.1
6
152.4
3.50
89
+0.40
10.2
AS
3
300
8.25
209.5
1.12
28.4
5
127
–
–
8
0.88
22.4
6.62
168.1
3.50
89
+0.35
14
J4
3
150
7.5
190.5
0.94
23.9
5
127
2
50.8
3
76
4
0.75
19.1
6
152.4
2.83
72
+0.29
12
4
101.6
13.2
6
152.4
14.2
8
203.6
15.4
AH
4
150
9
228.6
0.94
23.9
6.19
157.2
–
–
8
0.75
19.1
7.5
190.5
3.50
89
+0.25
14.4
AT
4
300
10
254
1.25
31.8
6.19
157.2
–
–
8
0.88
22.4
7.88
200.1
3.50
89
+0.19
23.4
J5
4
150
9
228.6
0.94
23.9
6.19
157.2
2
50.8
3.7
94
8
0.75
19.1
7.5
190.5
3.50
89
+0.19
17.3
4
101.6
19.8
6
152.4
22.3
8
203.6
24.8
1)
The roughness of the surface in contact with the medium, including the sealing surface of the flanges (all standards), made of Hastelloy C, Monel or
Tantalum is Ra 0.8
μ
m. Lower surface roughness on request.
