Deltabar S
48 Endress+Hauser
Process connection FMD78
with metallic measuring
diaphragms (continued)
EN/DIN flanges, connection dimensions as per EN 1092-1/DIN 2527
JIS flanges, connection dimensions as per JIS B 2220 BL
P01-FMD78xxx-06-09-xx-xx-009
Process connection FMD78, EN/DIN flange, Material AISI 316L
EN/DIN flange
1
Boltholes Diaphragm seal
Ver-
sion
Nominal
diameter
Nominal
pressure
Shape
2
Dia-
meter
Thick-
ness
Raised
face
Quan-
tity
Dia-
meter
Hole
circle
max.
Diaphragm
diameter
T
K
Process
Weight of
two
diaphragm
seals
Db g g
2
kd
M
[mm] [mm] [mm] [mm] [mm] [mm] [mbar/10 K] [kg]
B3 DN 50 PN 10-40 B1 (D) 165 20 102 4 18 125 59 +1.50 6.0
B5 DN 80 PN 10-40 B1 (D) 200 24 138 8 18 160 89 +0.20 10.5
BT DN 100 PN 10-16 B1 (C) 220 20 – 8 18 180 89 +0.35 9.5
B6 DN 100 PN 25-40 B1 (D) 235 24 162 8 22 190 89 +0.19 13.3
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 μm. Lower surface roughness on request.
2) Designation as per DIN 2527 in brackets
JIS flange
1
Boltholes Diaphragm seal
Ver-
sion
Nominal
diameter
Nominal
pressure
Diameter Thickness Raised
face
Quantity Diameter Hole
circle
max.
Diaphragm
diameter
T
K
Process
Weight of
two
diaphragm
seals
Db g g
2
kd
M
[mm] [mm] [mm] [mm] [mm] [mm] [mbar/10 K] [kg]
KF 50 A 10 K 155 16 96 4 19 120 59 +0.81 4.6
KL 80 A 10 K 185 18 127 8 19 150 89 +0.19 7.0
KH 100 A 10 K 210 18 151 8 19 175 89 +0.25 9.4
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 μm. Lower surface roughness on request.
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